Page 1 2006 xA ELECTRICAL WIRING DIAGRAM Page Section Code INTRODUCTION .......
Page 2 CONNECTOR LIST This section is closely related to the system circuit. PART NUMBER OF Indicates the part number of the connectors used in this manual. CONNECTORS OVERALL ELECTRICAL Provides circuit diagrams showing the circuit connections. WIRING DIAGRAM SCION xA (EM00D0U)
Page 3 FOREWORD This wiring diagram manual has been prepared to provide information on the electrical system of the 2006 xA. Applicable models: NCP61 Series Refer to the following manuals for additional service specifications and repair procedures for these models: Manual Name Pub.
Page 4 Wiring related to each system is indicated in each system circuit by arrows (from__, to__). When overall connections are required, see the Overall Electrical Wiring Diagram at the end of this manual. SCION xA (EM00D0U)
Page 5: How To Use This Manual
* The system shown here is an EXAMPLE ONLY. It is different to the actual circuit shown in the SYSTEM CIRCUITS SECTION. Stop Light (BAT) (IG) 7.5A STOP GAUGE Stop Light SW 15 IE1 G – W Light Failure Sensor G – R (Shielded) High Mounted Stop Light W – B SCION xA (EM00D0U)
Page 6 Engine Compartment, ”I” for the Instrument Panel and Surrounding area, and ”B” for the Body and Surrounding area. [M] : Page No. [N] : Indicates the ignition key position(s) when the power is supplied to the fuse(s). SCION xA (EM00D0U)
Page 7 Joining Wire Harness and Wire Harness (Connector Location) Floor Wire and Instrument Panel Wire (Left Kick Panel) Luggage Room Wire and Floor Wire (Luggage Room Left) : Ground Points Code See Page Ground Points Location Under the Left Center Pillar Back Panel Center SCION xA (EM00D0U)
Page 8 [T] : Indicates the reference page showing the position of the ground points on the vehicle. Example : Ground point ”BO” is described on page 50 of this manual and is installed on the back panel center. SCION xA (EM00D0U)
Page 9 Radio and Player Woofer Speaker Amplifier W–B HEATER Relay Combination Meter Auto Antenna Motor Combination Meter Fuel Sender The system shown here is an EXAMPLE ONLY. It is different to the actual circuit shown in the SYSTEM CIRCUITS SECTION. SCION xA (EM00D0U)
Page 10: Power Source
W – R 15A HAZ–RADIO Ignition SW 20A DEFOG B – Y W – R ∗ The system shown here is an EXAMPLE ONLY. It is different to the actual circuit shown in the SYSTEM CIRCUITS SECTION. SCION xA (EM00D0U)
Page 11: Connector List
[E] : Indicates the connector shapes which are used to join wire harnesses. On Left : Female connector shapes On Right : Male connector shapes Numbers indicate pin numbers. [F] : Indicates connector colors. (Connectors with not indicated colors are white) SCION xA (EM00D0U)
Page 12 Door Key Lock and Unlock SW RH [A] : Part Code [B] : Part Name [C] : Part Number Toyota Part Number are indicated. Not all of the above part numbers of the connector are established for the supply. SCION xA (EM00D0U)
Page 13: Troubleshooting
Ohmmeter continuity. When contacting the two leads in reverse, there should be no continuity. Diode Digital Type Analog Type (c) Use a volt/ohmmeter with high impedance (10 kΩ/V minimum) for troubleshooting of the electrical circuit. SCION xA (EM00D0U)
Page 14 To pull apart the connectors, pull on the connector itself, not the wire harness. HINT : Check to see what kind of connector you are disconnecting before pulling apart. Pull Up Pull Up Press Down Press Down SCION xA (EM00D0U)
Page 15 ”Case 1” Raise the terminal retainer up to the temporary lock [Retainer at Full Lock Position] position. Terminal Stopper Retainer [Retainer at Temporary Lock Position] ”Case 2” Secondary Example: Locking Device (Case 2) Open the secondary locking device. SCION xA (EM00D0U)
Page 16 ”Case 2” Terminal Retainer (Case 2) Type which cannot be pulled as far as Power Lock insert the tool straight into the access hole of terminal retainer as shown. Tool Tool Press Down Press Down [Male] [Female] SCION xA (EM00D0U)
Page 17 2. Insert the terminal until the locking lug locks firmly. 3. Insert the terminal with terminal retainer in the temporary lock position. (b) Push the secondary locking device or terminal retainer in to the full lock position. 5. CONNECT CONNECTOR SCION xA (EM00D0U)
Page 18 Traction Control TVIP TOYOTA Vehicle Intrusion Protection Vehicle Stability Control Vacuum Switching Valve With Without ∗ The titles given inside the components are the names of the terminals (terminal codes) and are not treated as being abbreviations. SCION xA (EM00D0U)
Page 19 A power unit which converts overloads, thereby protecting the circuit. electrical energy into mechanical The numbers indicate the crosssection energy, especially rotary motion. surface area of the wires. (for High Current Fuse or Fusible Link) SCION xA (EM00D0U)
Page 20 SOLENOID crossed wires (2) with a An electromagnetic coil which forms black dot or octagonal ( a magnetic field when current flows, (2) SPLICED mark at the junction are to move a plunger, etc. spliced (joined) connections. SCION xA (EM00D0U)
Page 21: Engine Compartment
F RELAY LOCATIONS [Engine Compartment] Fusible Link Block Skid Control Actuator ABS R/B with ECU Engine Room [Body] Sliding Roof Control ECU and Motor SCION xA (EM00D0U)
Page 22: Instrument Panel
[Instrument Panel] Door Lock Control Relay A/C Amplifier Instrument Panel J/B Rear Window Defogger Relay Front Fog Light Relay Engine Control Module Illumination Relay Airbag Sensor Assembly SCION xA (EM00D0U)
Page 23 * 1:H-LP LH / H-LP LO LH * 2:H-LP RH / H-LP LO RH FAN NO.2 Relay FAN NO.1 Relay ST Relay EFI Relay 40A ABS NO.1 HORN Relay 50A HTR SUB1 (for High Current) 30A RDI HTR SUB1 Relay (for High Current) SCION xA (EM00D0U)
Page 24 * 2:w/o VSC 120A ALT (for High Current) Black (from Engine Wire) 60A MAIN (*1) 60A ABS (for High Current) (for High Current) : ABS R/B Engine Compartment Right (See Page 20) ABS CUT Relay ABS MTR Relay SCION xA (EM00D0U)
Page 25 4 5 6 (from Floor Wire) C/OPN Relay POWER Relay 40A HTR 30A POWER (for High Current) (for High Current) 50A AM1 (for High Current) GAUGE TAIL WIPER ECU-B 7.5A ECU-IG 7.5A 7.5A A. C STOP 7.5A SCION xA (EM00D0U)
Page 26 7 8 9 10 11 12 7 6 5 4 3 (from Instrument Panel Wire) Black (from Instrument Panel Wire) 5 6 7 8 9 10 11 (from Instrument Panel Wire) 3 4 5 6 7 (from Instrument Panel Wire) SCION xA (EM00D0U)
Page 27 F RELAY LOCATIONS [Instrument Panel J/B Inner Circuit] (Cont. next page) SCION xA (EM00D0U)
Page 28 7.5A A. C 10A STOP 40A HTR 10A TAIL 25A D/L HEATER Relay 7.5A ECU-B 7.5A OBD 30A POWER POWER Relay 15A ACC 10A HAZ FLSH Relay 25A WIPER 25A DEF 7.5A ECU-IG 10A GAUGE 15A FOG SCION xA (EM00D0U)
Page 29 E 1 Electronically Controlled Transmission Solenoid G 2 Generator E 2 Engine Coolant Temp. Sensor H 1 Headlight LH H 2 Headlight RH H 3 Heated Oxygen Sensor (Bank 1 Sensor 1) H 4 Horn (High) H 5 Horn (Low) SCION xA (EM00D0U)
Page 30 K 1 Knock Sensor (Bank 1) T 1 Throttle Position Sensor T 2 Turbine Speed Sensor M 1 Mass Air Flow Meter W 1 Washer Motor N 1 Noise Filter (Ignition) Z 3 Option Connector (TVIP Siren) O 1 Oil Pressure SW SCION xA (EM00D0U)
Page 31 H 6 Heated Oxygen Sensor (Bank 1 Sensor 2) C 6 Center Cluster SW C 7 Center Cluster SW C 8 Cigarette Lighter C 9 Clutch Start SW C10 Combination Meter C 11 Combination Meter C12 Combination SW C14 Combination SW SCION xA (EM00D0U)
Page 32 T 6 TRAC Off SW P 4 Parking Brake SW U 1 Unlock Warning SW P 6 PTC Heater V 5 VSC Warning Buzzer Y 1 Yaw Rate Sensor Z 6 Option Connector (TVIP ECU) Z 7 Option Connector (IPOD Unit) SCION xA (EM00D0U)
Page 33 D 9 Door Key Lock and Unlock SW Front RH Door Lock Motor Front RH D10 Door Lock Control SW LH Power Window Master SW D 11 Door Lock Control SW RH D12 Door Lock Motor Rear LH D13 Door Lock Motor Rear RH SCION xA (EM00D0U)
Page 34 R 8 Rear Combination Light RH R 9 Rear Speaker LH R10 Rear Speaker RH R 11 Rear Window Defogger R12 Rear Window Defogger R13 Rear Wiper Motor R14 Remote Control Mirror LH R15 Remote Control Mirror RH SCION xA (EM00D0U)
Page 35 G ELECTRICAL WIRING ROUTING : Location of Connector Joining Wire Harness and Wire Harness : Location of Ground Points Engine Room Main Wire Engine Wire Sensor Wire Lamp Wire SCION xA (EM00D0U)
Page 36 Memo SCION xA (EM00D0U)
Page 37 : Location of Connector Joining Wire Harness and Wire Harness Engine Wire Instrument Panel Wire Roof Wire Front Door RH Wire Engine Room A/C Sub Wire Main Wire Front Door LH Wire Floor Wire Floor Wire : Location of Ground Points SCION xA (EM00D0U)
Page 38 : Location of Connector Joining Wire Harness and Wire Harness Engine Wire Instrument Panel Wire Roof Wire Front Door RH Wire Engine Room Main Wire A/C Sub Wire Front Door LH Wire Floor Wire Floor Wire SCION xA (EM00D0U)
Page 39 Back Door Instrument No.1 Wire Panel Wire Rear Door No.1 Wire Front Door LH Wire Floor Wire Skid Control Sensor Rear RH Wire Rear Door Skid Control Sensor Rear Door LH Wire Rear LH Wire No.1 Wire SCION xA (EM00D0U)
Page 40 Memo SCION xA (EM00D0U)
Page 41 Be sure to connect the terminal to the same place as indicated by the terminal number printed on the wire after disconnecting the terminal from the connector. SCION xA (EM00D0U)
Page 42 E 1 Electronically Controlled Transmission Solenoid G 2 Generator E 2 Engine Coolant Temp. Sensor H 1 Headlight LH H 2 Headlight RH H 3 Heated Oxygen Sensor (Bank 1 Sensor 1) H 4 Horn (High) H 5 Horn (Low) SCION xA (EM00D0U)
Page 43 K 1 Knock Sensor (Bank 1) T 1 Throttle Position Sensor T 2 Turbine Speed Sensor M 1 Mass Air Flow Meter W 1 Washer Motor N 1 Noise Filter (Ignition) Z 3 Option Connector (TVIP Siren) O 1 Oil Pressure SW SCION xA (EM00D0U)
Page 44 H 6 Heated Oxygen Sensor (Bank 1 Sensor 2) C 6 Center Cluster SW C 7 Center Cluster SW C 8 Cigarette Lighter C 9 Clutch Start SW C10 Combination Meter C 11 Combination Meter C12 Combination SW C14 Combination SW SCION xA (EM00D0U)
Page 45 T 6 TRAC Off SW P 4 Parking Brake SW U 1 Unlock Warning SW P 6 PTC Heater V 5 VSC Warning Buzzer Y 1 Yaw Rate Sensor Z 6 Option Connector (TVIP ECU) Z 7 Option Connector (IPOD Unit) SCION xA (EM00D0U)
Page 46 D 9 Door Key Lock and Unlock SW Front RH Door Lock Motor Front RH D10 Door Lock Control SW LH Power Window Master SW D 11 Door Lock Control SW RH D12 Door Lock Motor Rear LH D13 Door Lock Motor Rear RH SCION xA (EM00D0U)
Page 47 R 8 Rear Combination Light RH R 9 Rear Speaker LH R10 Rear Speaker RH R 11 Rear Window Defogger R12 Rear Window Defogger R13 Rear Wiper Motor R14 Remote Control Mirror LH R15 Remote Control Mirror RH SCION xA (EM00D0U)
Page 48 G ELECTRICAL WIRING ROUTING : Location of Connector Joining Wire Harness and Wire Harness : Location of Ground Points Engine Room Main Wire Engine Wire Sensor Wire Lamp Wire SCION xA (EM00D0U)
Page 49 Memo SCION xA (EM00D0U)
Page 50 : Location of Connector Joining Wire Harness and Wire Harness Engine Wire Instrument Panel Wire Roof Wire Front Door RH Wire Engine Room A/C Sub Wire Main Wire Front Door LH Wire Floor Wire Floor Wire : Location of Ground Points SCION xA (EM00D0U)
Page 51 : Location of Connector Joining Wire Harness and Wire Harness Engine Wire Instrument Panel Wire Roof Wire Front Door RH Wire Engine Room Main Wire A/C Sub Wire Front Door LH Wire Floor Wire Floor Wire SCION xA (EM00D0U)
Page 52 Back Door Instrument No.1 Wire Panel Wire Rear Door No.1 Wire Front Door LH Wire Floor Wire Skid Control Sensor Rear RH Wire Rear Door Skid Control Sensor Rear Door LH Wire Rear LH Wire No.1 Wire SCION xA (EM00D0U)
Page 53 Memo SCION xA (EM00D0U)
Page 54 Be sure to connect the terminal to the same place as indicated by the terminal number printed on the wire after disconnecting the terminal from the connector. SCION xA (EM00D0U)
Page 55 ( w/ VSC ) B–W ( w/o VSC ) 15A HORN G–W W–R 15A EFI B–Y F10 ( A ) , ( B ) , F11 ( C ) 15A DOME Fusible Link Block L–Y B–Y Battery SCION xA (EM00D0U)
Page 56 7. 5A ECU–B 10A HAZ 10A STOP 10A TAIL 7. 5A OBD 15A FOG 50A AM1 W–L 15A ACC W–L 7. 5A ECU–IG B–Y 10A GAUGE W–R B–R 25A WIPER Ignition SW 25A DEF EFI Relay W–B B–Y SCION xA (EM00D0U)
Page 57 Engine Room Main Wire and Instrument Panel J/B (Lower Finish Panel) Engine Room Main Wire and Instrument Panel J/B (Lower Finish Panel) Instrument Panel Wire and Instrument Panel J/B (Lower Finish Panel) : Ground Points Code See Page Ground Points Location Left Kick Panel SCION xA (EM00D0U)
Page 58 Memo SCION xA (EM00D0U)
Page 59 B–W B–Y Relay B–Y ( M/T ) B–Y ( A/T ) B ( A/T ) ( w/ VSC ) ( w/o VSC ) B–R S 2 ( A ) , S 3 ( B ) Starter B–Y SCION xA (EM00D0U)
Page 60 Igniter No. 3 and Igniter No. 4 IGT2 IGT3 IGT4 W–B IGT1 IGF1 IGT2 IGT3 IGT4 E 3 ( A ) , E 6 ( D ) Engine Control Module B ( A/T ) ( A/T ) B–Y SCION xA (EM00D0U)
Page 61 Engine Wire and Instrument Panel Wire (Left Side of the Blower Unit) Engine Wire and Instrument Panel Wire (Left Side of the Blower Unit) : Ground Points Code See Page Ground Points Location Cylinder Head Front Fender Apron LH SCION xA (EM00D0U)
Page 62 Memo SCION xA (EM00D0U)
Page 63 SYSTEM CIRCUITS H 2006 xA ELECTRICAL WIRING DIAGRAM SYSTEM CIRCUITS Page ABS (w/ VSC) ............
Page 64 5 1E Ignition SW 1 1O 8 1G 7 1A 9 1G 10 1E ( w/ VSC ) ( w/o VSC ) G 1 ( A ) , G 2 ( B ) Generator IC Regulator Battery SCION xA (EM00D0U)
Page 65 Instrument Panel Wire and Instrument Panel J/B (Lower Finish Panel) : Connector Joining Wire Harness and Wire Harness Code See Page Joining Wire Harness and Wire Harness (Connector Location) Engine Wire and Instrument Panel Wire (Left Side of the Blower Unit) SCION xA (EM00D0U)
Page 66: Front Wiper And Washer
Front Wiper and Washer ( IG ) Washer SW WIPER Wiper Relay Front Wiper SW L–W W–G Combination SW 11 1N Front Wiper Motor SCION xA (EM00D0U)
Page 67 Joining Wire Harness and Wire Harness (Connector Location) Engine Room Main Wire and Instrument Panel Wire (Upper Side of the Instrument Panel J/B) : Ground Points Code See Page Ground Points Location Front Fender Apron LH Left Kick Panel SCION xA (EM00D0U)
Page 68: Rear Wiper And Washer
Rear Wiper and Washer ( IG ) WIPER Washer Motor 6 BE2 5 BE2 2 IB2 1 ID3 Combination SW –1 Washer ON+Washer – Rear Wiper Motor 11 1N SCION xA (EM00D0U)
Page 69 Engine Room Main Wire and Instrument Panel Wire (Upper Side of the Instrument Panel J/B) Back Door No.1 Wire and Floor Wire (Quarter Panel LH) : Ground Points Code See Page Ground Points Location Left Kick Panel SCION xA (EM00D0U)
Page 70: Power Window
Power Window ( IG ) ( BAT ) GAUGE POWER Power Window Master SW Front LH Down POWER Relay W–B Power Window Motor Front LH Junction Connector W–B SCION xA (EM00D0U)
Page 71 Power Window Master SW Front RH Rear LH Rear RH Lock Normal Window Lock SW 12 IA2 3 BA1 1 BA1 Power Window Motor Power Window Motor Power Window Motor Front RH Rear LH Rear RH SCION xA (EM00D0U)
Page 72 See Page Junction Block and Wire Harness (Connector Location) Instrument Panel Wire and Instrument Panel J/B (Lower Finish Panel) Instrument Panel Wire and Instrument Panel J/B (Lower Finish Panel) Floor Wire and Instrument Panel J/B (Lower Finish Panel) SCION xA (EM00D0U)
Page 73 Front Door RH Wire and Instrument Panel Wire (Right Kick Panel) Rear Door LH Wire and Floor Wire (Center Pillar LH) Rear Door RH Wire and Floor Wire (Center Pillar RH) : Ground Points Code See Page Ground Points Location Left Kick Panel SCION xA (EM00D0U)
Page 74 Door Lock Control ( BAT ) ( IG ) GAUGE 10 1L Door Lock Control Relay 12 IA1 6 IA1 9 IH1 10 IH1 W–B 1 IA2 14 IH1 W–B W–B W–B Junction Connector SCION xA (EM00D0U)
Page 75 Door Key Lock and Unlock SW Front LH Door Key Lock and Unlock SW Front RH Door Lock Motor Front LH Door Lock Motor Front RH Door Unlock Detection SW Front LH W–B 16 IA1 W–B W–B Junction Connector SCION xA (EM00D0U)
Page 76 J 4 ( A ) , J 5 ( B ) Junction Connector 1 1S L–W 6 IB2 1 IB2 L–W L–B 8 BA1 7 BB1 8 BB1 Door Lock Motor Door Lock Motor Back Door Lock Motor Rear LH Rear RH SCION xA (EM00D0U)
Page 77 Rear Door LH Wire and Floor Wire (Center Pillar LH) Rear Door RH Wire and Floor Wire (Center Pillar RH) Back Door No.1 Wire and Floor Wire (Quarter Panel LH) : Ground Points Code See Page Ground Points Location Left Kick Panel Right Kick Panel SCION xA (EM00D0U)
Page 78 E 3 ( A ) , E 4 ( B ) , E 5 ( C ) , E 6 ( D ) Engine Control Module 7 1P ODMS 1 1E ( w/ VSC ) ( w/o VSC ) W–B Battery SCION xA (EM00D0U)
Page 79 E 3 ( A ) , E 4 ( B ) , E 5 ( C ) , E 6 ( D ) Engine Control Module SLT+ SLT– THO1 22 D SLT+ SLT– Electronically Controlled Transmission Solenoid Junction Connector SCION xA (EM00D0U)
Page 80 C10 ( A ) , C11 ( B ) Combination Meter 12 B 21 B 10 A Throttle Position Sensor G–O V–W ( w/ VSC ) ( w/o VSC ) S 1 ( A ) , ( B ) Skid Control Actuator with ECU SCION xA (EM00D0U)
Page 81 R–B Park/Neutral Position SW R–B G–W R–Y R–W 16 1H 2 1E 4 1E 4 1H 3 1E 16 1G C10 ( A ) , C11 ( B ) Combination Meter SCION xA (EM00D0U)
Page 82 O/D is turned off. At this time, the current flows through the O/D off indicator light to TERMINAL ODLP of the engine control module. As a result, the O/D off indicator light turns on, and the engine control module controls the gear shift according to the vehicle’s driving condition, without using the O/D range. SCION xA (EM00D0U)
Page 83 Engine Wire and Instrument Panel Wire (Left Side of the Blower Unit) : Ground Points Code See Page Ground Points Location Cylinder Head Front Fender Apron LH Left Kick Panel Instrument Panel Brace LH Right Kick Panel SCION xA (EM00D0U)
Page 84 ABS, TRAC and VSC W–R B–R B–R Ignition SW B–R R–W W–L R–W S 1 ( A ) Skid Control Actuator with ECU F10 ( A ) Fusible Link Block W–L Battery SCION xA (EM00D0U)
Page 85 B–R B–R 1 BC1 FL– FR– RL– RR– S 1 ( A ) Skid Control Actuator with ECU GND1 Master Cylinder Pressure 16 ID2 Sensor GND2 W–B W–B SCION xA (EM00D0U)
Page 86 10 EB1 10 ID2 17 ID2 WFSE S 1 ( A ) Skid Control Actuator with ECU VSCW CANH CANL 3 ID2 1 ID2 9 EB1 14 IF2 B–R BR–W R–L CANH CANL B–Y W–R W–B W–B SCION xA (EM00D0U)
Page 87 B–R B–R R–B R–B ( BAT ) 7. 5A ECU–B Junction Connector CANL CANH 5 1P WFSE CANH CANL CANH CANL Yaw Rate Sensor B–R B–R BR–W BR–W R–L R–L B–Y B–Y W–R W–R W–B Junction Connector SCION xA (EM00D0U)
Page 88 ABS, TRAC and VSC B–R R–B C10 ( A ) , C11 ( B ) Combination Meter 13 B 27 B 30 B 11 B 14 B 10 A B–R BR–W R–L B–Y W–R SCION xA (EM00D0U)
Page 89 VSC system. As a result, the vehicle functions regardless of the ABS, TRAC, and VSC systems. : Parts Location Code See Page Code See Page Code See Page SCION xA (EM00D0U)
Page 90 Skid Control Sensor Rear RH Wire and Floor Wire (Front Side of the Quarter Wheel House Inner Panel RH) : Ground Points Code See Page Ground Points Location Front Fender Apron LH Left Kick Panel Instrument Panel Brace LH SCION xA (EM00D0U)
Page 91 Memo SCION xA (EM00D0U)
Page 92 A/C Amplifier CANL CANH CANL CANH CANH CANL Yaw Rate Sensor CANL CANH CANL CANH CANL CANH S 1 ( A ) Data Link Engine Control Skid Control Actuator Connector 3 Module with ECU W–B Junction Connector SCION xA (EM00D0U)
Page 93 See Page Joining Wire Harness and Wire Harness (Connector Location) Engine Room Main Wire and Instrument Panel Wire (Upper Side of the Instrument Panel J/B) : Ground Points Code See Page Ground Points Location Left Kick Panel SCION xA (EM00D0U)
Page 94 ( IG ) Data Link Connector 3 GAUGE Ignition SW 3 1P S 1 ( B ) Skid Control Actuator with ECU NO. 1 26 B 32 B 13 B F10 ( B ) Fusible Link Block Battery SCION xA (EM00D0U)
Page 95 RL– RR– GND1 18 B 31 B 30 B 11 B 12 B 33 B 2 BC1 ABS Speed Sensor ABS Speed Sensor ABS Speed Sensor ABS Speed Sensor Front LH Front RH Rear LH Rear RH SCION xA (EM00D0U)
Page 96 Skid Control Sensor Rear LH Wire and Floor Wire (Front Side of the Quarter Wheel House Inner Panel LH) Skid Control Sensor Rear RH Wire and Floor Wire (Front Side of the Quarter Wheel House Inner Panel RH) : Ground Points Code See Page Ground Points Location Front Fender Apron LH Instrument Panel Brace LH SCION xA (EM00D0U)
Page 97 ∗ Front passenger airbag assembly ∗ Side airbag assembly ∗ Curtain shield airbag assembly ∗ Seat belt pretensioner ∗ Center airbag sensor assembly ∗ Front airbag sensor assembly ∗ Side airbag sensor assembly ∗ Rear airbag sensor assembly SCION xA (EM00D0U)
Page 98 14 C 16 C 17 C 10 C 11 C ( w/ VSC ) ( w/o VSC ) D– D2– P– P2– Airbag Squib Airbag Squib ( Steering Wheel Pad ) ( Front Passenger Airbag Assembly ) SCION xA (EM00D0U)
Page 99 20 C 15 D ( ∗2 ) ( ∗2 ) Side Airbag Sensor Rear RH BCR+ BCR– 2 ID1 1 ID1 BCR+ BCR– BBR– BBR+ Pretensioner LH Pretensioner RH Airbag Sensor Side Airbag Sensor Front RH Front RH SCION xA (EM00D0U)
Page 100 A 9 ( A ) , ( B ) , A10 ( C ) , A11 ( D ) , ( E ) Airbag Sensor Assembly SFR+ SFR– ICR+ ICR– RBE– RBE+ LBE– Seat Position ( ∗1 ) Airbag Sensor ( ∗2 ) Buckle SW RH ICR+ ICR– Side Airbag Squib RH Curtain Shield Airbag Squib RH SCION xA (EM00D0U)
Page 101 Joining Wire Harness and Wire Harness (Connector Location) Engine Room Main Wire and Instrument Panel Wire (Upper Side of the Instrument Panel J/B) : Ground Points Code See Page Ground Points Location Left Kick Panel Instrument Panel Brace LH SCION xA (EM00D0U)
Page 102: Sliding Roof
Sliding Roof ( IG ) ( BAT ) GAUGE POWER 8 1R Junction Connector R–B OPEN/DOWN L–W CLOSE/UP Sliding Roof Control SW W–B W–B Sliding Roof Control ECU and Motor SCION xA (EM00D0U)
Page 103 M– Sliding Roof Control ECU and Motor SCION xA (EM00D0U)
Page 104 Floor Wire and Instrument Panel Wire (Upper Side of the Instrument Panel J/B) Roof Wire and Floor Wire (Upper Side of the Cowl Side Panel LH) : Ground Points Code See Page Ground Points Location Left Quarter Pillar SCION xA (EM00D0U)
Page 105 Memo SCION xA (EM00D0U)
Page 106: Engine Control
7 1O 6 1E 11 EB1 13 IF2 Relay B–R B–R C/OPN Relay B–Y ( M/T ) B–Y ( A/T ) B ( A/T ) ( w/ VSC ) ( w/o VSC ) B–L B–W B–Y B–O B–R SCION xA (EM00D0U)
Page 107 17 A 23 A 16 A B–R B–Y ( M/T ) IGT2 IGF IGT3 IGF B–Y ( A/T ) B ( A/T ) +B GND B–L B–W W–B B–Y W–B W–B B–O B–R B–R B–R B–R B–R SCION xA (EM00D0U)
Page 108 OX1B KNK1 EKNK 14 A 29 A 30 A ( ∗1 ) 1 EA1 2 EA1 IGT4 IGF HT1A OX1A HT1B OX1B +B GND 1 IF1 Knock Sensor ( Bank 1 ) W–B B–R ( ∗1 ) SCION xA (EM00D0U)
Page 109 E 3 ( A ) , E 4 ( B ) , E 5 ( C ) , E 6 ( D ) Engine Control Module NE– TACH CANH CANL 33 C 34 A ( ∗1 ) ( ∗1 ) CANH CANL Data Link Connector 3 W–B ( ∗1 ) Junction Connector SCION xA (EM00D0U)
Page 110 Engine Control B–R ( IG ) GAUGE W–R V–W Y–R Y–R 13 B 23 B 24 B Speedometer Tachometer C10 ( A ) , C11 ( B ) Combination Meter Y–R W–B SCION xA (EM00D0U)
Page 111 (9) Starter signal circuit To confirm whether the engine is cranking, the voltage applied to the starter motor during cranking is detected and the signal is input into TERMINAL STA of the engine control module as a control signal. SCION xA (EM00D0U)
Page 112 : Parts Location Code See Page Code See Page Code See Page : Relay Blocks Code See Page Relay Blocks (Relay Block Location) Engine Room R/B (Engine Compartment Left) SCION xA (EM00D0U)
Page 113 Engine Wire and Instrument Panel Wire (Left Side of the Blower Unit) : Ground Points Code See Page Ground Points Location Cylinder Head Front Fender Apron LH Left Kick Panel Instrument Panel Brace LH Right Kick Panel Left Quarter Pillar SCION xA (EM00D0U)
Page 114: Shift Lock
Shift Lock ( IG ) ( BAT ) GAUGE STOP 11 1P Stop Light SW Shift Lock Control SW SLS+ SLS– Shift Lock Solenoid SCION xA (EM00D0U)
Page 115 Engine Room Main Wire and Instrument Panel J/B (Lower Finish Panel) Instrument Panel Wire and Instrument Panel J/B (Lower Finish Panel) Instrument Panel Wire and Instrument Panel J/B (Lower Finish Panel) : Ground Points Code See Page Ground Points Location Left Kick Panel SCION xA (EM00D0U)
Page 116: Key Reminder And Seat Belt Warning
∗ 1 : w/ Side Airbag ∗ 2 : w/o Side Airbag DOME GAUGE C10 ( A ) , C11 ( B ) Combination Meter Power Buzzer W–R W–R ( ∗1 ) ( ∗2 ) RBE– LBE– 27 C SCION xA (EM00D0U)
Page 117 Joining Wire Harness and Wire Harness (Connector Location) Floor Wire and Instrument Panel Wire (Upper Side of the Instrument Panel J/B) : Ground Points Code See Page Ground Points Location Left Kick Panel Instrument Panel Brace LH Right Kick Panel SCION xA (EM00D0U)
Page 118: Light Reminder
Light Reminder ( BAT ) ( IG ) ( BAT ) TAIL GAUGE DOME Power Buzzer Tail Combination Head 10 1F 9 1M SCION xA (EM00D0U)
Page 119 Instrument Panel Wire and Instrument Panel J/B (Lower Finish Panel) Instrument Panel Wire and Instrument Panel J/B (Lower Finish Panel) Floor Wire and Instrument Panel J/B (Lower Finish Panel) : Ground Points Code See Page Ground Points Location Instrument Panel Brace LH SCION xA (EM00D0U)
Page 120: Remote Control Mirror
Remote Control Mirror ( ACC ) 6 1L Remote Control Mirror SW LG–R 3 IA1 3 IH1 SCION xA (EM00D0U)
Page 121 Joining Wire Harness and Wire Harness (Connector Location) Front Door LH Wire and Instrument Panel Wire (Left Kick Panel) Front Door RH Wire and Instrument Panel Wire (Right Kick Panel) : Ground Points Code See Page Ground Points Location Left Kick Panel SCION xA (EM00D0U)
Page 122: Cigarette Lighter
Cigarette Lighter ( ACC ) Cigarette Lighter Junction Connector SCION xA (EM00D0U)
Page 123 : Junction Block and Wire Harness Connector Code See Page Junction Block and Wire Harness (Connector Location) Instrument Panel Wire and Instrument Panel J/B (Lower Finish Panel) : Ground Points Code See Page Ground Points Location Right Kick Panel SCION xA (EM00D0U)
Page 124 Horn ( BAT ) HORN G–W HORN Relay G–R Horn Horn Spiral Cable ( Low ) ( High ) SCION xA (EM00D0U)
Page 125 Engine Room R/B (Engine Compartment Left) : Connector Joining Wire Harness and Wire Harness Code See Page Joining Wire Harness and Wire Harness (Connector Location) Engine Room Main Wire and Instrument Panel Wire (Upper Side of the Instrument Panel J/B) SCION xA (EM00D0U)
Page 126: Rear Window Defogger
( IG ) GAUGE Center Cluster SW 3 1J Rear Window Defogger SW R–B Rear Window Defogger Relay R–B J 4 ( A ) , J 5 ( B ) Junction Connector W–B 7 IB2 ELS2 W–B SCION xA (EM00D0U)
Page 127 Back Door No.1 Wire and Rear Door No.1 Wire (Left Side of the Back Door Panel) Back Door No.1 Wire and Rear Door No.1 Wire (Right Side of the Back Door Panel) : Ground Points Code See Page Ground Points Location Left Kick Panel Right Kick Panel Back Door Panel LH SCION xA (EM00D0U)
Page 128: Audio System
6 BB1 RL– RR– R 2 ( A ) , R 3 ( B ) , R16 ( C ) Radio and Player FL– FR– Junction Connector 1 IH2 Tweeter Tweeter Front Speaker LH Front Speaker RH SCION xA (EM00D0U)
Page 129 R 2 ( A ) , R 3 ( B ) , R16 ( C ) Radio and Player ASGN AUXO 15 C 16 C 19 C ASGN AUXO Stereo Jack Adapter SEEK+ MODE SEEK– V–W VOL+ VOL– SCION xA (EM00D0U)
Page 130 Audio System ( IG ) ( BAT ) GAUGE DOME ( w/ VSC ) ( w/o VSC ) V–W S 1 ( A ) , ( B ) Skid Control Actuator with ECU SCION xA (EM00D0U)
Page 131 Front Door RH Wire and Instrument Panel Wire (Right Kick Panel) Rear Door LH Wire and Floor Wire (Center Pillar LH) Rear Door RH Wire and Floor Wire (Center Pillar RH) : Ground Points Code See Page Ground Points Location Instrument Panel Brace LH SCION xA (EM00D0U)
Page 132: Combination Meter
Combination Meter B–R B–R Ignition SW C10 ( A ) , C11 ( B ) Combination Meter ( w/ VSC ) ( w/o VSC ) SCION xA (EM00D0U)
Page 133 B–R B–R ( IG ) GAUGE C10 ( A ) , C11 ( B ) Combination Meter Buzzer TACH Engine Control Module SCION xA (EM00D0U)
Page 134: Combination Meter
C10 ( A ) , C11 ( B ) Combination Meter ODO/Trip Fuel Power Clock ( w/ VSC ) ( w/o VSC ) S 1 ( A ) , ( B ) Skid Control Actuator with ECU SCION xA (EM00D0U)
Page 135 B–R C10 ( A ) , C11 ( B ) Combination Meter 23 B 24 B 32 B SCION xA (EM00D0U)
Page 136 Combination Meter C10 ( A ) , C11 ( B ) Combination Meter Skid Control Actuator with ECU SCION xA (EM00D0U)
Page 137 Engine Room Main Wire and Instrument Panel Wire (Upper Side of the Instrument Panel J/B) Engine Wire and Instrument Panel Wire (Left Side of the Blower Unit) : Ground Points Code See Page Ground Points Location Front Fender Apron LH Instrument Panel Brace LH SCION xA (EM00D0U)
Page 138 7. 5A Relay A. C Blower Resistor L–B HEAT MODE A17 ( A ) , A18 ( B ) A/C Amplifier REFR L–B Blower SW Inlet Air Position Center Cluster SW Detection SW Inside SW Junction Connector W–B SCION xA (EM00D0U)
Page 139 ( IG ) 7. 5A ECU–IG Air Inlet Control Servo Motor Control Circuit A17 ( A ) , A18 ( B ) A/C Amplifier Junction Connector W–B W–B SCION xA (EM00D0U)
Page 140 : Connector Joining Wire Harness and Wire Harness Code See Page Joining Wire Harness and Wire Harness (Connector Location) Instrument Panel Wire and A/C Sub Wire (Right Kick Panel) : Ground Points Code See Page Ground Points Location Left Kick Panel Right Kick Panel SCION xA (EM00D0U)
Page 141 Memo SCION xA (EM00D0U)
Page 142 H–LP LO LH H–LP LO RH B–Y B–W 9 1A 8 1A 10 1B 11 1B 7 1M 5 1M 2 1F R–L R–L R–Y Dimmer SW Flash Tail High Head Light Control SW Combination SW 2 1O SCION xA (EM00D0U)
Page 143 Instrument Panel Wire and Instrument Panel J/B (Lower Finish Panel) Instrument Panel Wire and Instrument Panel J/B (Lower Finish Panel) Instrument Panel Wire and Instrument Panel J/B (Lower Finish Panel) : Ground Points Code See Page Ground Points Location Left Kick Panel SCION xA (EM00D0U)
Page 144: Ptc Heater
SUB1 W–B Engine Control Junction Module Connector HTR SUB1 7. 5A CANL CANH Generator Relay A. C L–W 4 IF2 CANL CANH A17 ( A ) , A18 ( B ) Heater A/C Amplifier HEAT Junction Connector SCION xA (EM00D0U)
Page 145 Engine Room Main Wire and Instrument Panel Wire (Upper Side of the Instrument Panel J/B) Engine Wire and Instrument Panel Wire (Left Side of the Blower Unit) : Ground Points Code See Page Ground Points Location Front Fender Apron RH Right Kick Panel SCION xA (EM00D0U)
Page 146: Radiator Fan And Condenser Fan
Radiator Fan and Condenser Fan ( BAT ) ( IG ) 7. 5A ECU–IG B–L B–L L–Y NO. 1 NO. 2 Relay Relay 15 ID3 11 ID3 FANL FANH Engine Control Module Radiator Fan Motor L–Y SCION xA (EM00D0U)
Page 147 See Page Joining Wire Harness and Wire Harness (Connector Location) Engine Room Main Wire and Instrument Panel Wire (Upper Side of the Instrument Panel J/B) : Ground Points Code See Page Ground Points Location Front Fender Apron LH SCION xA (EM00D0U)
Page 148: Air Conditioning
ECU–IG Defroster Mode Detection Inside SW B–W Junction Connector Engine Control Module CANL CANH SOL+ MODE SGND CANL CANH A17 ( A ) , A18 ( B ) A/C Amplifier SG– – Junction Connector A/C Pressure Sensor SCION xA (EM00D0U)
Page 149 BR–Y BR–Y GAUGE HEATER 7. 5A Relay A. C Center Cluster SW A/C SW Blower Resistor L–B 3 IG1 A17 ( A ) , A18 ( B ) A/C Amplifier L–B Blower SW Center Cluster SW W–B SCION xA (EM00D0U)
Page 150 Engine Wire and Instrument Panel Wire (Left Side of the Blower Unit) Instrument Panel Wire and A/C Sub Wire (Right Kick Panel) : Ground Points Code See Page Ground Points Location Front Fender Apron RH Left Kick Panel Right Kick Panel SCION xA (EM00D0U)
Page 151 Memo SCION xA (EM00D0U)
Page 152: Front Fog Light
( BAT ) G–W Front Fog Light Relay R–L J 4 ( A ) , J 5 ( B ) Junction Connector Combination SW Dimmer SW Flash Tail High Head Front Fog Light SW Light Control SW SCION xA (EM00D0U)
Page 153 Engine Room Main Wire and Lamp Wire (Behind the Radiator Side Support LH) Engine Room Main Wire and Instrument Panel Wire (Upper Side of the Instrument Panel J/B) : Ground Points Code See Page Ground Points Location Front Fender Apron RH Left Kick Panel SCION xA (EM00D0U)
Page 154 Turn Signal and Hazard Warning Light ( IG ) ( BAT ) W–B W–B GAUGE Combination SW Turn Signal FLSH Relay G–Y W–B W–B SCION xA (EM00D0U)
Page 155 W–B G–Y Junction Connector W–B SCION xA (EM00D0U)
Page 156 Front Door RH Wire and Instrument Panel Wire (Right Kick Panel) : Ground Points Code See Page Ground Points Location Front Fender Apron RH Front Fender Apron LH Left Kick Panel Instrument Panel Brace LH Right Kick Panel Left Quarter Pillar SCION xA (EM00D0U)
Page 157 Memo SCION xA (EM00D0U)
Page 158: Interior Light
∗ 1 : w/ Sliding Roof ∗ 2 : w/o Sliding Roof ( ∗1 ) ( ∗2 ) 10 1K L–Y ( ∗1 ) Junction Connector ( ∗2 ) Power Junction Connector 5 1K 3 1S 2 1O SCION xA (EM00D0U)
Page 159 Roof Wire and Floor Wire (Upper Side of the Cowl Side Panel LH) Back Door No.1 Wire and Floor Wire (Quarter Panel LH) : Ground Points Code See Page Ground Points Location Left Kick Panel Instrument Panel Brace LH Back Door Panel LH SCION xA (EM00D0U)
Page 160 Taillight and Illumination ( BAT ) TAIL Tail Combination Head Junction Connector ELS1 Engine Control Module W–B W–B W–B SCION xA (EM00D0U)
Page 161 5 1N SCION xA (EM00D0U)
Page 162 Taillight and Illumination ( IG ) 7. 5A ECU–IG Junction Connector C10 ( A ) , C11 ( B ) Combination Meter SP Illumination ILL– – TM Illumination SCION xA (EM00D0U)
Page 163 Back Door No.1 Wire and Floor Wire (Quarter Panel LH) : Ground Points Code See Page Ground Points Location Front Fender Apron RH Front Fender Apron LH Left Kick Panel Instrument Panel Brace LH Left Quarter Pillar Right Quarter Pillar Back Door Panel LH SCION xA (EM00D0U)
Page 164 Stop Light ( BAT ) STOP Stop Light Junction Connector W–B SCION xA (EM00D0U)
Page 165 Code See Page Joining Wire Harness and Wire Harness (Connector Location) Back Door No.1 Wire and Floor Wire (Quarter Panel LH) : Ground Points Code See Page Ground Points Location Left Quarter Pillar Back Door Panel LH SCION xA (EM00D0U)
Page 166: Back–Up Light
Back–Up Light ( IG ) GAUGE 19 IF2 R–B SCION xA (EM00D0U)
Page 167 : Connector Joining Wire Harness and Wire Harness Code See Page Joining Wire Harness and Wire Harness (Connector Location) Engine Wire and Instrument Panel Wire (Left Side of the Blower Unit) : Ground Points Code See Page Ground Points Location Left Quarter Pillar SCION xA (EM00D0U)
Page 168 Front Side Marker Resistor Light RH W–B W–B Front Turn Signal FAN NO. 2 Relay Light RH W–B W–B Front Side Turn ( GND1 ) Signal Light RH Skid Control Actuator with ECU W–B W–B W–B ( GND2 ) SCION xA (EM00D0U)
Page 169 Remote Control Junction Mirror SW Connector W–B W–B W–B W–B W–B Steering Sensor ( E ) Power Window Master SW Door Lock W–B W–B Control SW LH ( E ) TRAC Off SW W–B W–B Yaw Rate Sensor SCION xA (EM00D0U)
Page 170 W–B Blower Resistor W–B W–B Engine Control A/C Amplifier ( EC ) Module W–B W–B Door Lock Air Inlet Control Control Relay Servo Motor W–B Inside SW W–B Center Cluster SW W–B Center Cluster SW W–B W–B SCION xA (EM00D0U)
Page 171 Ground Points Location Front Fender Apron RH Front Fender Apron RH Cylinder Head Front Fender Apron LH Left Kick Panel Instrument Panel Brace LH Right Kick Panel Left Quarter Pillar Right Quarter Pillar Back Door Panel LH SCION xA (EM00D0U)
Page 172 15A HORN * 1:10A H-LP LH / H-LP LO LH * 2:10A H-LP RH / H-LP LO RH 15A DOME 15A EFI [LOCATION] : Instrument Panel J/B (See Page 24) : Engine Room R/B (See Page 22) SCION xA (EM00D0U)
Page 173 15A ACC 7.5A ECU-IG Ignition SW 10A GAUGE (AM1) 25A WIPER 25A DEF HEATER Relay 7.5A A.C (Point Side) EFI Relay 7.5A A/C2 (Point Side) : Fusible Link Block (See Page 23) SCION xA (EM00D0U)
Page 174: Table Of Contents
ABS (w/ VSC), TRAC and VSC ABS (w/o VSC) Electronically Controlled Transmission and A/T Indicator STOP Engine Control Shift Lock Stop Light ∗ These are the page numbers of the first page on which the related system is shown. SCION xA (EM00D0U)
Page 175 Radiator Fan and Condenser Fan Starting and Ignition ABS (w/ VSC), TRAC and VSC ABS NO.1 ABS (w/o VSC) HTR SUB1 PTC Heater ∗ These are the page numbers of the first page on which the related system is shown. SCION xA (EM00D0U)
Page 176 Electronically Controlled Transmission and A/T Indicator Engine Control Starting and Ignition ABS (w/ VSC), TRAC and VSC 120A ABS (w/o VSC) Charging ∗ These are the page numbers of the first page on which the related system is shown. SCION xA (EM00D0U)
Page 177 Memo SCION xA (EM00D0U)
Page 178 7 8 9 1011121314151617 5 6 7 8 9 101112 7 8 9 101112 1819 2021 2425 1415 171819 Yellow Black Black 1 2 3 4 15 16 Black Gray Gray Black 1 2 3 13 14 SCION xA (EM00D0U)
Page 179 1 2 3 4 5 6 7 8 9 10 Black 1 2 3 1 2 3 4 5 6 7 8 9 10 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 SCION xA (EM00D0U)
Page 180 5 6 7 8 9 10 9 10 13 14 15 16 15 16 17 18 9 10 13 14 15 22 23 24 25 24 25 21 22 23 24 30 31 32 Brown Brown 13 14 15 16 22 23 SCION xA (EM00D0U)
Page 181 Black Gray Black Black Gray 1 2 3 4 1 2 3 4 1 2 3 Black Gray Black Gray Black 1 2 3 4 1 2 3 4 Gray A A A A A A A SCION xA (EM00D0U)
Page 182 Gray Gray Gray Black Gray Gray Blue Gray Black 1 2 3 Black Black 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 3 4 5 6 3 4 5 6 SCION xA (EM00D0U)
Page 183 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 8 9 10 11 12 13 14 33 34 35 36 37 38 39 40 41 42 43 44 45 46 SCION xA (EM00D0U)
Page 184 3 4 5 6 7 8 6 7 8 9 10 Gray Black Black 1 2 3 1 2 3 4 4 5 6 Black Black Black 1 2 3 4 5 1 2 3 Black Gray 1 2 3 1011 1213 SCION xA (EM00D0U)
Page 185 Memo SCION xA (EM00D0U)
Page 186 18 17 16 15 14 13 12 11 10 6 7 8 9 10 11 12 13 Gray 1 2 3 6 7 8 9 10 11 12 13 Yellow 5 6 7 8 9 10 11 18 17 SCION xA (EM00D0U)
Page 187 1 2 3 4 5 6 7 8 9 10 11 1213141516171819 20 1 2 3 6 7 8 9 10 11 12 13 1 2 3 4 5 5 4 3 2 1 6 7 8 9 10 10 9 8 7 6 SCION xA (EM00D0U)
Page 188 K CONNECTOR LIST 1 2 3 4 5 5 4 3 2 1 6 7 8 9 10 10 9 8 7 6 Blue SCION xA (EM00D0U)
Page 189 Memo SCION xA (EM00D0U)
Page 190 Front Fog Light SW 90980–10601 Curtain Shield Airbag Squib RH Generator 90980–09373 Canister Pump Module 90980–12380 Data Link Connector 3 90980–11978 Note: Not all of the above part numbers of the connector are established for the supply. SCION xA (EM00D0U)
Page 191 Sliding Roof Control ECU and Motor 90980–10801 Park/Neutral Position SW 90980–12362 Personal Light Power Steering Oil Pressure Sensor 90980–10845 90980–11533 90980–11533 Sliding Roof Control SW Parking Brake SW 90980–10871 Steering Sensor 90980–12162 PTC Heater 90980–10903 Spiral Cable 90980–12183 Personal Light 90980–11148 SCION xA (EM00D0U)
Page 192 Washer Motor 90980–10981 Yaw Rate Sensor 90980–11904 Option Connector (TVIP Siren) 90980–11051 Option Connector (TVIP ECU) 90980–10871 Option Connector (IPOD Unit) 90980–12553 Note: Not all of the above part numbers of the connector are established for the supply. SCION xA (EM00D0U)
Page 193 Code Part Name Part Number Code Part Name Part Number SCION xA (EM00D0U)
Page 194 1 xA P o w e r S o u rc e S ta rtin g a n d Ig n itio n C h a rg in g B–R B–R W–L B–Y 6 1O B–R Ignition SW 1 1O 13 IF2 11 EB1 7 1A...
Page 195 ( Cont. next page ) ( Cont. next page ) 2 xA P o w e r S o u rc e E n g in e C o n tro l B–R B–Y Y–R B–R B–R 5 1O Ignition SW 1 1O 7 1A B–R...
Page 196 2 xA ( Cont' d ) ( Cont. next page ) ( Cont. next page ) E n g in e C o n tro l ∗ 1 : Shielded B–R B–Y Y–R B–R B–R B–R 4 IF1 10 1G 14 1H TACH MREL...
Page 197 2 xA ( Cont' d ) E n g in e C o n tro l ∗ 1 : Shielded Ignition Coil MGND VLVB SGND and Igniters< 1–3> < 1–4> VGND MTRB VOUT R–W 15 D 13 A 12 A 31 D 20 A 18 A...
Page 198 Memo SCION xA (EM00D0U)
Page 199 ( Cont. next page ) ( Cont. next page ) 3 xA P o w e r S o u rc e E le c tro n ic a lly C o n tro lle d T ra n s m is s io n a n d A /T In d ic a to r W–L B–Y B–Y...
Page 200 3 xA ( Cont' d ) E le c tro n ic a lly C o n tro lle d T ra n s m is s io n a n d A /T In d ic a to r B–Y B–Y R–B...
Page 201 4 xA P o w e r S o u rc e H e a d lig h t H o rn 10A H–LP RH/ H–LP LH/ H–LP LO RH HORN H–LP LO LH Front Fog Light SW < 13–2> Headlight LH Headlight RH B–Y...
Page 202 5 xA P o w e r S o u rc e T u rn S ig n a l a n d H a z a rd W a rn in g L ig h t W–B B–Y Ignition SW Combination SW 4 1O GAUGE...
Page 203 ( Cont. next page ) 6 xA P o w e r S o u rc e T a illig h t a n d Illu m in a tio n W–L B–Y B–Y Ignition SW Spiral Cable Combination SW Tail Head Engine Control...
Page 204 6 xA ( Cont' d ) T a illig h t a n d Illu m in a tio n C10(A), C11(B) 12 A Combination Meter SP Illumination TM Illumination W–R Instrument Panel Brace...
Page 205 7 xA P o w e r S o u rc e In te rio r L ig h t C ig a re tte L ig h te r W–L W–L W–L ∗ 1 : w/ Sliding Roof ∗ 2 : w/o Sliding Roof Ignition SW Junction Connector...
Page 206 8 xA P o w e r S o u rc e B a c k – U p L ig h t F ro n t W ip e r a n d W a s h e r B–Y L–W Ignition SW...
Page 207 9 xA O p tio n C o n n e c to r P o w e r S o u rc e S lid in g R o o f R e a r W ip e r a n d W a s h e r ( T V IP ) B–Y Ignition SW...
Page 208 10 xA P o w e r S o u rc e L ig h t R e m in d e r K e y R e m in d e r a n d S e a t B e lt W a rn in g S h ift L o c k S to p L ig h t B–Y...
Page 209 11 xA P o w e r S o u rc e P o w e r W in d o w Power Window Master SW 4 IA2 Front LH Front RH Rear LH Rear RH Down Window Ignition SW Lock Lock Normal...
Page 210 Memo SCION xA (EM00D0U)
Page 211 ( Cont. next page ) ( Cont. next page ) 12 xA P o w e r S o u rc e D o o r L o c k C o n tro l B–Y 4 1O Ignition SW GAUGE Door Lock Control Relay BR–Y...
Page 212 12 xA ( Cont' d ) D o o r L o c k C o n tro l Door Lock Control Relay L–B L–W BR–Y Junction Connector J 4(A), J 5(B) Junction Y–G Connector L–W L–W L–W L–W L–B L–B Door Key Lock and Unlock SW Front RH 1 BE3...
Page 213 13 xA P o w e r S o u rc e F ro n t F o g L ig h t R e m o te C o n tro l M irro r W–L W–L W–L Ignition SW Remote Control Mirror SW G–W Front Fog Light Relay...
Page 214 Memo SCION xA (EM00D0U)
Page 215 ( Cont. next page ) 14 xA A B S ( w / V S C ) , T R A C a n d V S C P o w e r S o u rc e W–R R–B B–R W–L B–Y...
Page 216 14 xA ( Cont' d ) ( Cont. next page ) A B S ( w / V S C ) , T R A C a n d V S C W–R W–R R–B B–R Data Link Connector 3 <...
Page 217 14 xA ( Cont' d ) M u ltip le x C o m m u n ic a tio n S y s te m ( C A N ) W–R CANL CANH CANH CANL CANL CANH CANL CANH CANL CANH Engine Control...
Page 218 15 xA P o w e r S o u rc e A B S ( w /o V S C ) B–Y 5 AM2 ABS Speed Sensor ABS Speed Sensor Rear LH Rear RH Ignition SW Data Link 7. 5A Connector 3 GAUGE ECU–IG...
Page 219 ( Cont. next page ) ( Cont. next page ) 16 xA ∗ 1 : w/ Side Airbag P o w e r S o u rc e S R S ∗ 2 : w/o Side Airbag Airbag Sensor Front LH 13 1G Ignition SW 20 B...
Page 220 16 xA ( Cont' d ) S R S ∗ 1 : w/ Side Airbag ∗ 2 : w/o Side Airbag Side Airbag Sensor Curtain Shield Airbag Front LH Squib LH Side Airbag Squib LH BCL+ BCL– BBL– BBL+ ICL+ ICL–...
Page 221 ( Cont. next page ) 17 xA P o w e r S o u rc e A u d io S y s te m Spiral Cable W–L Rear Speaker LH Rear Speaker RH VOL– W–L VOL+ Ignition SW SEEK–...
Page 222 17 xA ( Cont' d ) A u d io S y s te m Option Connector (IPOD Unit) FWGD ACID FWPW ACPW DOGD DOTX DORX ACDT AUDL AUDR AGND DGND SGND 10 D 11 D 12 D 13 D 14 D 16 D FWGD...
Page 223 ( Cont. next page ) 18 xA P o w e r S o u rc e C o m b in a tio n M e te r B–R L–B B–Y W–L B–Y Electronically Controlled B–R Transmission and GAUGE A/T Indicator System <...
Page 224 18 xA ( Cont' d ) ( Cont. next page ) C o m b in a tio n M e te r B–R L–B C10(A), C11(B) Combination Meter 13 B ODO/TRIP Fuel Power Clock 21 B 10 A 20 B 25 B 26 B 23 B...
Page 225 18 xA ( Cont' d ) C o m b in a tio n M e te r C10(A), C11(B) Combination Meter 15 B 30 B 27 B Front Fender Apron LH...
Page 226 19 xA P o w e r S o u rc e R a d ia to r F a n a n d C o n d e n s e r F a n R e a r W in d o w D e fo g g e r B–Y Rear Window Defogger Relay...
Page 227 20 xA P o w e r S o u rc e T w o W a y F lo w H e a te r P T C H e a te r B–Y B–Y SUB1 Max Hot SW Junction 4 1O Foot Mode SW...
Page 228 21 xA P o w e r S o u rc e A ir C o n d itio n in g B–Y Junction Connector BR–Y BR–Y BR–Y Center Cluster SW Ignition SW 4 1O A/C SW 7. 5A GAUGE A.
Page 229 * The system shown here is an EXAMPLE ONLY. It is different to the HOW TO READ THIS SECTION actual circuit shown in the wiring diagram section. Power Source Starting Engine Control I 6 (A),(B) Ignition SW 7. 5A 7. 5A 12 EA1 Knock Sensor 7 EA3...
Page 230 [A] : System Title [F] : Junction Block (The number in the circle is the J/B No. and the connector code is shown beside it). [B] : Indicates the wiring color. Junction Blocks are shaded to clearly separate them Wire colors are indicated by an alphabetical code. from other parts.
Page 231: Table Of Contents
SYSTEM INDEX SYSTEMS LOCATION SYSTEMS LOCATION ABS (w/ VSC) ..........14–2 Multiplex Communication System (CAN) .

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