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Home >> Lexus >> 2002 >> ES 300 V6-3.0L (1MZ-FE) >> Repair and Diagnosis >> Diagrams >> Electrical Diagrams >> Headlamp >> Headlamp Control Module >> Service Hints

Service Hints

LIGHT AUTO TURN OFF

TAIL Relay
5 - 3 : Closed with the light control SW at HEAD or TAIL position

HEAD Relay (w/ Daytime Running Light)
5 - 3 : Closed with the light control SW at HEAD position or dimmer SW at FLASH position Closed with the engine running and parking brake released (Parking brake SW off)

HEAD Relay (w/o Daytime Running Light)
5 - 3 : Closed with the light control SW at HEAD position or dimmer SW at FLASH position

Body ECU
9-Ground : Approx. 12 volts with ignition SW at ON or ST position
12, 24-Ground : Always continuity
1-Ground : Always approx. 12 volts

D8 Door Courtesy SW Front LH
1-Ground : Closed with the driver door open