Wiper And Washer System Washer Signal Circuit


DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK OPERATION

CHECK HARNESS AND CONNECTOR (WINDSHIELD WIPER SWITCH ASSEMBLY - HEADLIGHT CLEANER CONTROL RELAY)

WIPER AND WASHER SYSTEM - Washer Signal Circuit


DESCRIPTION

The headlight cleaner control relay receives the windshield washer operation signal.

WIRING DIAGRAM


Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Wiper Washer.Wiper And Washer System.Wiper And Washer System Washer Signal Circuit


INSPECTION PROCEDURE

1.CHECK OPERATION

  1. Check the operation of the front wiper and washer system (LandCruiser RM000000PJF06XX.html).

    OK:
    Front wiper and washer system operates normally.


NG
GO TO PROBLEM SYMPTOMS TABLE (LandCruiser RM000001VQ0077X.html)
OK


2.CHECK HARNESS AND CONNECTOR (WINDSHIELD WIPER SWITCH ASSEMBLY - HEADLIGHT CLEANER CONTROL RELAY)


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Wiper Washer.Wiper And Washer System.Wiper And Washer System Washer Signal Circuit

  1. Disconnect the A38 headlight cleaner control relay connector.

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

    Standard Voltage:
    Tester Connection
    		Switch Condition
    		Specified Condition
    A38-5 (FRWA) - Body ground
    		Ignition switch ON, front washer switch on
    		Below 1 V
    A38-5 (FRWA) - Body ground
    		Ignition switch ON, and front washer switch off
    		11 to 14 V
    Text in Illustration
    *a
    		Front view of wire harness connector
    (to Headlight Cleaner Control Relay)


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE (LandCruiser RM000001VQ0077X.html)