WIPER AND WASHER SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

PROCEDURE

1. VEHICLE BROUGHT TO WORKSHOP

   Result
   Proceed to NEXT

   
   

   NEXT

2. INSPECT BATTERY VOLTAGE

   
   

   1. Measure the battery voltage with the engine switch off.

      Standard voltage
      11 to 14 V

      Tech Tips

      
      

      • A simple method to determine whether the battery is discharged is to operate the horn.

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

   2. Check the fuses and relays.

   3. Check the connector connections and terminals to make sure that there are no abnormalities such as loose connections, deformation, etc.

      Result
      Proceed to NEXT

   
   

   NEXT

3. CHECK VEHICLE TYPE

   
   

   1. Check the vehicle type.

      Result
      Result Proceed to w/ Rain Sensor A w/o Rain Sensor B

   
   

   B

   GO TO STEP 5 Click here

   A

4. CHECK COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM*

   
   

   1. Use the GTS to check if the LIN communication system is functioning normally.

      Click here

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

   
   

   B

   GO TO LIN COMMUNICATION SYSTEM Click here

   A

5. PROBLEM SYMPTOMS TABLE

   
   

   1. Refer to 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

6. OVERALL ANALYSIS AND TROUBLESHOOTING

   
   

   1. Terminals of ECU

      Click here

   2. On-vehicle inspection

   3. Inspection

      Result
      Proceed to NEXT

   
   

   NEXT

7. ADJUST, REPAIR OR REPLACE

   Result
   Proceed to NEXT

   
   

   NEXT

8. CONFIRMATION TEST

   Result
   Proceed to NEXT

   
   

   NEXT

   END