How To Proceed With Troubleshooting

WIPER AND WASHER: WIPER AND WASHER SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

HOW TO PROCEED WITH TROUBLESHOOTING
HINT:
- Use these procedures to troubleshoot the wiper and washer system.
- *: Use the intelligent tester or Techstream.

1. VEHICLE BROUGHT TO WORKSHOP
NEXT -- Continue to next step.

2. INSPECT BATTERY VOLTAGE
Standard voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding.
NEXT -- Continue to next step.

3. CHECK FOR DTC (ELECTRIC POWER CONTROL SYSTEM)* Reading and Clearing Diagnostic Trouble Codes
(a) Using the intelligent tester or Techstream, check if the electric power control system is functioning normally.
Result:






B -- Go to ELECTRIC POWER CONTROL SYSTEM
A -- Continue to next step.

4. CHECK COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM*
(a) Use the intelligent tester or Techstream to check if the LIN communication system is functioning normally.
Result:






B -- Go to LIN COMMUNICATION SYSTEM
A -- Continue to next step.

5. CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*
(a) Use the intelligent tester or Techstream to check if the CAN communication system is functioning normally.
Result:






B -- Go to CAN COMMUNICATION SYSTEM
A -- Continue to next step.

6. PROBLEM SYMPTOMS TABLE
Result:






B -- Go to step 8
A -- Continue to next step.

7. OVERALL ANALYSIS AND TROUBLESHOOTING*
(a) Terminals of ECU Pinout Values and Diagnostic Parameters.
(b) DATA LIST / ACTIVE TEST Scan Tool Testing and Procedures.
NEXT -- Continue to next step.

8. REPAIR OR REPLACE
NEXT -- Continue to next step.

9. CONFIRMATION TEST
NEXT -- END