WIPER AND WASHER SYSTEM Headlight Cleaner Motor and Relay Circuit

DESCRIPTION

The headlight cleaner control relay controls the headlight cleaner motor and pump assembly.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

PROCEDURE

1. CHECK HARNESS AND CONNECTOR (HEADLIGHT CLEANER MOTOR AND PUMP ASSEMBLY - IG CIRCUIT)

   
   

   1. Disconnect the A42 headlight cleaner motor and pump assembly connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition A42-2 - Body ground Always 11 to 14 V

      Result
      Proceed to OK NG

   
   

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR

   OK

2. INSPECT HEADLAMP CLEANER MOTOR AND PUMP ASSEMBLY

   Tech Tips

   This check should be performed with the headlight cleaner motor and pump assembly installed to the washer jar.

   
   
   1. 

      *a	Component without harness connected (Headlight Cleaner Motor and Pump Assembly)

      Fill the washer jar with washer fluid.

   2. Connect a battery positive (+) lead to terminal 2 of the headlight cleaner motor and pump assembly, and a battery negative (-) lead to terminal 1.

   3. Check that washer fluid flows from the washer jar.

      OK
      Washer fluid is pumped from the washer jar.

      Result
      Proceed to OK NG

   
   

   NG

   REPLACE HEADLAMP CLEANER MOTOR AND PUMP ASSEMBLY Click here

   OK

3. CHECK HARNESS AND CONNECTOR (HEADLIGHT CLEANER MOTOR AND PUMP ASSEMBLY - HEADLIGHT CLEANER CONTROL RELAY)

   
   

   1. Disconnect the A41 headlight cleaner control relay connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition A42-1 - A41-6 (PB) Always Below 1 Ω A42-1 or A41-6 (PB) - Body ground Always 10 kΩ or higher

      Result
      Proceed to OK NG

   
   

   OK

   PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR