Diesel Data: Automotive Repair

How To Proceed With Troubleshooting








WINDSHIELD / WINDOWGLASS: WINDOW DEFOGGER SYSTEM:

HOW TO PROCEED WITH TROUBLESHOOTING

HINT:
- Use the following procedure to troubleshoot the defogger system.
- Techstream should be used in step 4.

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 to the next step.
NEXT -- Continue to next step.
3. PROBLEM SYMPTOMS TABLE

HINT: (Problem Symptoms Table)

NEXT -- Continue to next step.
4. OVERALL ANALYSIS AND TROUBLESHOOTING
(a) TERMINALS OF ECU (Pinout Values and Diagnostic Parameters)

(b) DATA LIST/ACTIVE TEST (Scan Tool Testing and Procedures)

(c) ON-VEHICLE INSPECTION (Component Tests and General Diagnostics)

NEXT -- Continue to next step.
5. REPAIR OR REPLACE
NEXT -- Continue to next step.
6. CONFIRMATION TEST
NEXT -- END