Toyota Tundra 2003 Electrical Wiring Diagram page 86

: RELAY BLOCKS
Code See Page
2 21
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
Code See Page
22 (*2)
1B 1B
26 (*1)
22 (*2)
1D 1D
26 (*1)
22 (*2)
1F 1F
26 (*1)
22 (*2)
1G 1G
26 (*1)
22 (*2)
1I 1I
26 (*1)
22 (*2)
1J 1J
26 (*1)
22 (*2)
1K 1K
26 (*1)
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
Code See Page
EA1 40 (2UZ–FE)
EC2 40 (2UZ–FE)
IA4
44 44
IA5
IE1 46
II1 46
48 (Access Cab)
BB1 BB1
50 (Standard Cab)
: GROUND POINTS
Code See Page
EA 40 (2UZ–FE)
EB 40 (2UZ–FE)
EC 40 (2UZ–FE)
IF 44
IH 44
: SPLICE POINTS
Code See Page
E4 40 (2UZ–FE)
E6
40 (2UZ–FE) 40 (2UZ FE)
E7
* 1 : w/ Daytime Running Light
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)
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)
Engine Room Main Wire and Driver Side J/B (Lower Finish Panel) Engine Room Main Wire and Driver Side J/B (Lower Finish Panel)
Joining Wire Harness and Wire Harness (Connector Location)
Cowl Wire and Engine Room Main Wire (Right Fender)
Engine No.2 Wire and Engine Wire (Near the Starter)
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)
Cowl Wire and Cowl Wire (Instrument Panel Reinforcement RH)
Frame Wire and Cowl Wire (Under the Driver's Seat) Frame Wire and Cowl Wire (Under the Driver's Seat)
Ground Points Location
Front Left Fender
Rear Bank of Right Cylinder Head
Rear Bank of Left Cylinder Head
Left Kick Panel
Right Kick Panel
Wire Harness with Splice Points
Engine No.2 Wire
Engine Wire Engine Wire
* 2 : w/o Daytime Running Light
2003 TOYOTA TUNDRA (EWD491U)
Code See Page
E8 40 (2UZ–FE)
I3 46
I5 46
* 3 : Bench Seat * 4 : Separate Seat, Captain Seat (w/o Power Seat)
Wire Harness with Splice Points
Engine Wire Engine Wire
Cowl Wire
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