LIGHTING SYSTEM Headlight Signal Circuit

DESCRIPTION

The headlight leveling ECU assembly detects the low beam headlights status.

INSPECTION PROCEDURE

PROCEDURE

1. Click here

   CHECK HARNESS AND CONNECTOR (H-LP RELAY - ECU)

   
   
   1. 

      Disconnect the A34 headlight leveling ECU assembly connector.

   2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Switch Condition Specified Condition A34-3 (HDLP) - Body ground Light control switch in head position 11 to 14 V

   
   
   • OKClick here
   • NGClick here
2. Click here

   REPAIR OR REPLACE HARNESS OR CONNECTOR

3. Click here

   PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLEClick here