DYNAMIC RADAR CRUISE CONTROL SYSTEM Washer Signal Circuit

DESCRIPTION

The distance control ECU detects washer operation. Cruise control will be canceled by the distance control ECU if the windshield wipers operate in HI or LO mode.

INSPECTION PROCEDURE

PROCEDURE

1. Click here

   CHECK WASHER MOTOR (OPERATION)

   
   

   1. Check that the front washer operates (Click here).

      OK
      Washer function is normal.

   
   
   • OKClick here
   • NGClick here
2. Click here

   CHECK HARNESS AND CONNECTOR (DISTANCE CONTROL ECU - WINDSHIELD WIPER SWITCH)

   
   
   1. 

      Disconnect the E108 distance control ECU connector.

   2. Disconnect the E15 windshield wiper switch connector.

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

      Standard Resistance
      Table 1. for LHD Tester Connection Condition Specified Condition E108-3 (WASH) - E15-3 (WF) Always Below 1 Ω E15-3 (WF) - Body ground Always 10 kΩ or higher
      Table 2. for RHD Tester Connection Condition Specified Condition E108-3 (WASH) - E15-1 (WF) Always Below 1 Ω E15-1 (WF) - Body ground Always 10 kΩ or higher

   
   
   • OKClick here
   • NGClick here
3. Click here

   PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLEClick here

4. Click here

   GO TO WIPER AND WASHER SYSTEMClick here

5. Click here

   REPAIR OR REPLACE HARNESS OR CONNECTOR