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.

1. VEHICLE BROUGHT TO WORKSHOP
NEXT -- Continue to next step.
2. CUSTOMER PROBLEM ANALYSIS CHECK AND SYMPTOM CHECK
NEXT -- Continue to next step.
3. 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.
4. INSPECT COMMUNICATION FUNCTION OF LARGE-SCALE MULTIPLEX COMMUNICATION SYSTEM (BEAN)*
(a) Use the intelligent tester (with CAN VIM) to check if the Multiplex Communication System (MPX) is functioning normally.

Result:





B -- Go to step 7
A -- Continue to next step.
5. PROBLEM SYMPTOMS TABLE

Result:





B -- Go to step 8
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