Tundra Regular Cab SR5 4WD V8-4.7L (2UZ-FE) (2000)
Automatic Light Control System: Electrical Diagrams
Service Hints
HEAD RELAY
2-1
: Closed with the light control SW at HEAD position or the dimmer SW at FLASH position
: Closed with the engine running and the parking brake lever released (W/ daytime running light)
C15 LIGHT CONTROL SW [COMB. SW]
13-16
: Closed with light control SW at HEAD position
14-16
: Closed with light control SW at TAIL or HEAD position
D16 DOOR COURTESY SW FRONT LH
1-GROUND: Continuity with the front LH door open
INTEGRATION RELAY
9-GROUND : Approx. 12 volts with the ignition SW at ON position
14-GROUND: Continuity with the front LH door open
3, 6-GROUND
: Always approx. 12 volts
8-GROUND : Always continuity