WINDSHIELD DEICER SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

PROCEDURE

1. VEHICLE BROUGHT TO WORKSHOP

   Result
   Proceed to NEXT

   
   

   NEXT

2. INSPECT BATTERY VOLTAGE

   Standard Voltage
   11 to 14 V

   If the voltage is below 11 V, recharge or replace the battery before proceeding.

   Result
   Proceed to NEXT

   
   

   NEXT

3. CHECK VEHICLE TYPE

   
   

   1. Check the vehicle type.

      Result
      Result Proceed to w/o Navigation System A w/ Navigation System B

   
   

   B

   CHECK CAN COMMUNICATION SYSTEM Click here

   A

4. CHECK LIN COMMUNICATION SYSTEM

   
   

   1. Check if the LIN communication system is functioning normally.

      Click here

      Result
      Result Proceed to LIN DTC is output. A LIN DTC is not output. B

   
   

   A

   GO TO LIN COMMUNICATION SYSTEM Click here

   B

   GO TO STEP 6 Click here

5. CHECK CAN COMMUNICATION SYSTEM

   
   

   1. Check if the CAN communication system is functioning normally.

      
      

      • for LHD: Click here

      • for RHD: Click here

      Result
      Result Proceed to CAN DTC is not output A CAN DTC is output (for LHD) B CAN DTC is output (for RHD) C

   
   

   B

   GO TO CAN COMMUNICATION SYSTEM Click here

   C

   GO TO CAN COMMUNICATION SYSTEM Click here

   A

6. PROBLEM SYMPTOMS TABLE

   
   

   1. Refer to the Problem Symptoms Table.

      Click here

      Result
      Result Proceed to Fault is not listed in problem symptoms table A Fault is listed in problem symptoms table B

   
   

   B

   ADJUST, REPAIR OR REPLACE IN ACCORDANCE WITH PROBLEM SYMPTOMS TABLE

   A

7. OVERALL ANALYSIS AND TROUBLESHOOTING*

   
   

   1. Terminals of ECU

      Click here

   2. Data List / Active Test

      Click here

      Result
      Proceed to NEXT

   
   

   NEXT

8. REPAIR OR REPLACE

   Result
   Proceed to NEXT

   
   

   NEXT

9. CONFIRMATION TEST

   Result
   Proceed to NEXT

   
   

   NEXT

   END