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 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.
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. PROBLEM SYMPTOMS TABLE

Result





B -- Go to step 7
A -- Continue to next step.
6. 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.
7. REPAIR OR REPLACE
NEXT -- Continue to next step.
8. CONFIRMATION TEST
NEXT -- END