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Home >> Lexus >> 1999 >> SC 400 V8-4.0L (1UZ-FE) >> Repair and Diagnosis >> Relays and Modules >> Relays and Modules - Lighting and Horns >> Headlamp Control Module >> Testing and Inspection
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Headlamp Control Module: Testing and Inspection

INSPECT INTEGRATION RELAY CIRCUIT

Light Auto Turn Off System and Daytime Running Light System




Remove the relay from the junction block and inspect the connectors on the wire harness and junction block side, as shown in the chart.




USA

If the circuit is as specified, trying replacing the relay with a new one.
If the circuit is not as specified, inspect the circuit connected to other parts.





CANADA

If the circuit is as specified, trying replacing the relay with a one.
If the circuit is not as specified, inspect the circuit connected to other parts.
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