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