Toyota Tundra 2003 Electrical Wiring Diagram page 232

SERVICE HINTS
R2 (B) RADIO AND PLAYER
(B) 3–GROUND : Approx. 12 volts with ignition SW at ON or ACC position
(B) 4–GROUND : Always approx. 12 volts
(B) 7–GROUND : Always continuity
S7 (D) STEREO COMPONENT AMPLIFIER
(D) 3–GROUND : Approx. 12 volts with ignition SW at ON or ACC position
(D) 4–GROUND : Always approx. 12 volts
(D) 7–GROUND : Always continuity
: PARTS LOCATION
Code See Page
C16 34
36 (Access Cab)
F8 F8
37 (Standard Cab)
36 (Access Cab)
F9 F9
37 (Standard Cab)
: RELAY BLOCKS
Code See Page
2 21
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
Code See Page
22 (*2)
1G 1G
26 (*1)
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
Code See Page
IA5 44
IB2
44 44
IB4
IF1
46 46
IF4
II1 46
48 (Access Cab)
BA1 BA1
50 (Standard Cab)
48 (Access Cab)
BC1 BC1
50 (Standard Cab)
BE2 48 (Access Cab)
BF2 48 (Access Cab)
BG2 48 (Access Cab)
BH1 48 (Access Cab)
: GROUND POINTS
Code See Page
IG 44
: SPLICE POINTS
Code See Page
48 (Access Cab)
B1 B1
50 (Standard Cab)
* 1 : w/ Daytime Running Light
Code
I25
R1 A
R2 B
R6
R7
Relay Blocks (Relay Block Location)
Engine Room R/B (Engine Compartment Left)
Junction Block and Wire Harness (Connector Location)
Cowl Wire and Driver Side J/B (Lower Finish Panel) Cowl Wire and Driver Side J/B (Lower Finish Panel)
Joining Wire Harness and Wire Harness (Connector Location)
Engine Room Main Wire and Cowl Wire (Left Kick Panel)
Front Door LH Wire and Cowl Wire (Left Kick Panel) Front Door LH Wire and Cowl Wire (Left Kick Panel)
Front Door RH Wire and Cowl Wire (Right Kick Panel) Front Door RH Wire and Cowl Wire (Right Kick Panel)
Cowl Wire and Cowl Wire (Instrument Panel Reinforcement RH)
Front Door LH Wire and Speaker Tweeter Wire LH (Inside of Front Door LH) Front Door LH Wire and Speaker Tweeter Wire LH (Inside of Front Door LH)
Front Door RH Wire and Speaker Tweeter Wire RH (Inside of Front Door RH) Front Door RH Wire and Speaker Tweeter Wire RH (Inside of Front Door RH)
Floor No.2 Wire and Cowl Wire (Center of Left Rocker Panel)
Floor No.1 Wire and Cowl Wire (Center of Right Rocker Panel)
Floor No.2 Wire and Rear Door No.1 Wire LH (Under the Left Quarter Panel)
Floor No.1 Wire and Rear Door No.1 Wire RH (Under the Right Quarter Panel)
Ground Points Location
Instrument Panel Brace RH
Wire Harness with Splice Points
Speaker Tweeter Wire LH Speaker Tweeter Wire LH
* 2 : w/o Daytime Running Light
2003 TOYOTA TUNDRA (EWD491U)
See Page
35
35
35
36 (Access Cab)
36 (Access Cab)
Code See Page
48 (Access Cab)
B5 B5
50 (Standard Cab)
* 3 : Bench Seat
Code
R11 C 35
36 (Access Cab)
T7 T7
37 (Standard Cab)
36 (Access Cab)
T8 T8
37 (Standard Cab)
Wire Harness with Splice Points
Speaker Tweeter Wire RH Speaker Tweeter Wire RH
* 4 : Separate Seat, Captain Seat (w/o Power Seat)
See Page
233