Toyota Tundra 2005 Service - Repair - Maintenance page 4190

Service Hints
HEATER Relay
5-3 : Closed with ignition SW on and heater blower SW on
A1 A/C Dual Pressure SW
1-2 : Open with refrigerant pressure at less than approx. 2.0 kgf/cm
more than approx. 32.0 kgf/cm
I25 (B) Integration Control and Panel
(B)17-Ground : Approx. 12 volts with ignition SW at ON or ST position
(B)14-Ground : Approx. 12 volts with ignition SW on and blower SW on
(B)10-Ground : Always continuity
: Parts Location
Code See Page
A1 64
A3 64
A13 66
A15 66
B4 66
: Relay Blocks
Code See Page
2 38
: Junction Block and Wire Harness Connector
Code See Page
1E 45
1J 45
2C
41 41
2G
3D
48 48
3E
4A
4B 50
4D
: Connector Joining Wire Harness and Wire Harness
Code See Page
IA4
92 92
IA7
IE1 94
IJ1
94 94
IJ2
: Ground Points
Code See Page
EA 90
IN 92
: Splice Points
Code See Page
I2 94
2
(3138.1 kpa, 455 psi)
Code
B5
B6
E4
F13
I24 A
Relay Blocks (Relay Block Location)
Engine Room R/B No.2 (Engine Compartment Left)
Junction Block and Wire Harness (Connector Location)
Cowl Wire and Driver Side J/B (Lower Finish Panel)
Engine Room Main Wire and Driver Side J/B (Lower Finish Panel)
Engine Room Main Wire and Engine Room J/B (Engine Compartment Left) Engine Room Main Wire and Engine Room J/B (Engine Compartment Left)
Cowl Wire and Sub J/B No 3 (Upper the Accelerator Pedal) Cowl Wire and Sub J/B No.3 (Upper the Accelerator Pedal)
Cowl Wire and Sub J/B No.4 (Upper the Accelerator Pedal)
Joining Wire Harness and Wire Harness (Connector Location)
Engine Room Main Wire and Cowl Wire (Left Kick Panel) Engine Room Main Wire and Cowl Wire (Left Kick Panel)
Engine Wire and Cowl Wire (Right Side of Instrument Panel)
Engine Room Main Wire and Cowl Wire (Cowl Side Panel RH) Engine Room Main Wire and Cowl Wire (Cowl Side Panel RH)
Ground Points Location
Front Left Fender Apron
Right Kick Panel
Wire Harness with Splice Points
Cowl Wire
2005 TOYOTA TUNDRA (EWD611U)
2
(196.1 kpa, 28.4 psi) or
See Page
66
66
67
34, 64
67
( )
Code
Code
I25 B 67
J35 65
J58 68
See Page Wire Harness with Splice Points
See Page
533