Lighting System Headlight Signal Circuit

Body Electrical. Camry. Acv40 Gsv40
Lighting. Camry. Acv40 Gsv40

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL J/B - HEADLIGHT BEAM LEVEL CONTROL ECU)

LIGHTING SYSTEM - Headlight Signal Circuit


DESCRIPTION

The headlight beam level control ECU receives the low beam headlights ON signal from the main body ECU.

WIRING DIAGRAM


Camry. Acv40 Gsv40.Lighting.Lighting System.Lighting System Headlight Signal Circuit


INSPECTION PROCEDURE

1.CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL J/B - HEADLIGHT BEAM LEVEL CONTROL ECU)


    Camry. Acv40 Gsv40.Lighting.Lighting System.Lighting System Headlight Signal Circuit

  1. Disconnect the ID instrument panel J/B assembly connector.

  1. Disconnect the A20 headlight beam level control ECU connector.

  1. Measure the resistance according to the value(s) in the table below.

    Standard voltage:
    Tester Connection
    		Condition
    		Specified Condition
    A20-3 (B2) - ID-3 (HRLY)
    		Always
    		Below 1 Ω
    A20-3 (B2) - Body ground
    		Always
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE