How To Proceed With Troubleshooting

HINT: 

• Use the following procedures to troubleshoot the wiper and washer system.
• *: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP 

   NEXT: Go to next step 

2. PROBLEM SYMPTOM CONFIRMATION 

   Result

   Result	Proceed to
   Symptom does not occur	A
   Symptom occurs	B

   B → GO TO STEP 4 

   A: Go to next step 

3. SYMPTOM SIMULATION 

   NEXT: Go to next step 

4. CHECK MULTIPLEX COMMUNICATION SYSTEM* 
   1. Check for the multiplex communication system DTCs.

      Result

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

      B → PROCEED TO "MULTIPLEX COMMUNICATION SYSTEM" 

      A: Go to next step 

5. CHECK CAN COMMUNICATION SYSTEM* 
   1. Check for CAN DTCs.

      Result

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

      B → PROCEED TO "CAN COMMUNICATION SYSTEM" 

      A: Go to next step 

6. PROBLEM SYMPTOMS TABLE 

   NEXT: Go to next step 

7. CIRCUIT INSPECTION 

   NEXT: Go to next step 

8. TERMINALS OF ECU 

   NEXT: Go to next step 

9. IDENTIFICATION OF PROBLEM 

   NEXT: Go to next step 

10. REPAIR OR REPLACE 

    NEXT: Go to next step 

11. CONFIRMATION TEST 

    NEXT → END