Toyota Tundra 2003 Electrical Wiring Diagram page 216

SERVICE HINTS
I24 (A), I25 (B) INTEGRATION CONTROL AND PANEL
(B) 5–GROUND : Always approx. 12 volts (Power for clock)
(B)13–GROUND : Approx. 12 volts with ignition SW at ON or ACC position (Power for indication)
(A) 7–GROUND : Approx. 12 volts with light control SW at TAIL or HEAD position (Signal of indication)
(B) 1–GROUND : Always continuity
: PARTS LOCATION
Code See Page
I24 A 35
I25 B 35
: RELAY BLOCKS
Code See Page
2 21
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
Code See Page
22 (*2)
1E 1E
26 (*1)
22 (*2)
1F 1F
26 (*1)
22 (*2)
1G 1G
26 (*1)
: GROUND POINTS
Code See Page
II 44
* 1 : w/ Daytime Running Light
Code
J10
J13
Relay Blocks (Relay Block Location)
Engine Room R/B (Engine Compartment Left)
Junction Block and Wire Harness (Connector Location)
Engine Room Main Wire and Driver Side J/B (Lower Finish Panel) Engine Room Main Wire and Driver Side J/B (Lower Finish Panel)
Cowl Wire and Driver Side J/B (Lower Finish Panel) Cowl Wire and Driver Side J/B (Lower Finish Panel)
Ground Points Location
Right Kick Panel
* 2 : w/o Daytime Running Light
2003 TOYOTA TUNDRA (EWD491U)
See Page
35
35
* 3 : Bench Seat
Code
J23 A 35
J24 B 35
* 4 : Separate Seat, Captain Seat (w/o Power Seat)
See Page
217