WIPER AND WASHER SYSTEM > Wiper Motor Power Source Circuit

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DESCRIPTION

This circuit provides power to the front wiper motor and operates the cowl side junction block ECU LH.

WIRING DIAGRAM


E106807E03


INSPECTION PROCEDURE

1.CHECK COWL SIDE JUNCTION BLOCK LH (COWL SIDE JUNCTION BLOCK ECU LH)


    E106808E03

  1. Measure the voltage of the connectors.

    Standard voltage:
    Tester Connection
    		Condition
    		Specified Condition
    PD-11 - PD-8
    		Engine switch off
    		Below 1 V
    PD-11 - PD-8
    		Engine switch on (IG)
    		10 to 14 V
    PM-1 (WIG) - PA-14 (GND)
    		Engine switch off
    		Below 1 V
    PM-1 (WIG) - PA-14 (GND)
    		Engine switch on (IG)
    		10 to 14 V



NG
Go to step 2
OK

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE 

2.CHECK WIRE HARNESS (COWL SIDE JUNCTION BLOCK LH - BODY GROUND)


    E106809E02

  1. Disconnect the PD and PA junction block connectors.

  1. Measure the resistance of the wire harness side connectors.

    Standard resistance:
    Tester Connection
    		Condition
    		Specified Condition
    PA-14 (GND) - Body ground
    		Always
    		Below 1 Ω
    PD-8 - Body ground
    		Always
    		Below 1 Ω



NG
REPAIR OR REPLACE HARNESS AND CONNECTOR (GROUND CIRCUIT)
OK

REPAIR OR REPLACE HARNESS AND CONNECTOR (ENGINE SWITCH CIRCUIT)