Headlight Signal Circuit

LIGHTING: LIGHTING SYSTEM: Headlight Signal Circuit

Headlight Signal Circuit

DESCRIPTION

Headlight beam level control ECU receives the H-LP relay operation signal from HEAD signal.

WIRING DIAGRAM





INSPECTION PROCEDURE
HINT: First, check if the headlight operation is normal before performing the following procedure.

PROCEDURE

1. CHECK HEADLIGHT BEAM LEVEL CONTROL ECU (HDLP VOLTAGE)




(a) Measure the voltage of the connector.
Standard voltage:






NG -- REPAIR OR REPLACE HARNESS AND CONNECTOR (HEADLIGHT BEAM LEVEL CONTROL ECU - H-LP RELAY)
OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE