WINDSHIELD DEICER SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

PROCEDURE

1. Click here

   VEHICLE BROUGHT TO WORKSHOP

   Result
   Proceed to NEXT

   
   
   • NEXTClick here
2. Click here

   CUSTOMER PROBLEM ANALYSIS

   Tip:
   

   • In troubleshooting, confirm that the problem symptoms have been accurately identified. Preconceptions should be discarded in order to make an accurate judgment. To clearly understand what the problem symptoms are, it is extremely important to ask the customer about the problem and the conditions at the time the malfunction occurred.

   • Gather as much information as possible for reference. Past problems that seem unrelated may also help in some cases.

   • The following 5 items are important points in the problem analysis:

     What	Vehicle model, system name
     When	Date, time, occurrence frequency
     Where	Road conditions
     Under what conditions?	Driving conditions, weather conditions
     How did it happen?	Problem symptoms

   Result
   Proceed to NEXT

   
   
   • NEXTClick here
3. Click here

   INSPECT AUXILIARY BATTERY VOLTAGE

   
   

   1. Measure the auxiliary battery voltage with the power switch off.

      Standard Voltage
      11 to 14 V

      If the voltage is below 11 V, recharge or replace the auxiliary battery before proceeding to the next step.

      Result
      Proceed to NEXT

   
   
   • NEXTClick here
4. Click here

   SYSTEM CHECK

   
   

   1. Check the vehicle specification.

      Result
      Result Proceed to w/ Multi-display A w/o Multi-display B

   
   
   • AClick here
   • BClick here

     GO TO STEP 6

5. Click here

   CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

   
   

   1. Check for CAN communication system DTCs (Click here).

      Result
      Result Proceed to DTCs are not output. A DTCs are output. B

   
   
   • AClick here
   • B

     GO TO CAN COMMUNICATION SYSTEM (Click here)

6. Click here

   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

   
   
   • AClick here
   • BClick here

     GO TO STEP 8

7. Click here

   OVERALL ANALYSIS AND TROUBLESHOOTING*

   
   

   1. Operation Check (Click here).

   2. Terminals of ECU (Click here).

   3. Data List / Active Test (Click here).

      Result
      Proceed to NEXT

   
   
   • NEXTClick here
8. Click here

   REPAIR OR REPLACE

   Result
   Proceed to NEXT

   
   
   • NEXTClick here
9. Click here

   CONFIRMATION TEST

   Result
   Proceed to NEXT

   
   
   • NEXT

     END