Window Defogger System
WINDOW / GLASS: WINDOW DEFOGGER SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING
HINT
* Use these procedures to troubleshoot the window defogger system.
* *: Use the 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 LIN COMMUNICATION SYSTEM*
(a) Check if the LIN communication system is functioning normally.
OK:
LIN DTC is not output.
NG -- Go to LIN COMMUNICATION SYSTEM LIN Communication System
OK -- Continue to next step.
4. PROBLEM SYMPTOMS TABLE
(a) Refer to the Problem Symptoms Table Problem Symptoms Table.
Result
B -- Go to step 6
A -- Continue to next step.
5. OVERALL ANALYSIS AND TROUBLESHOOTING*
(a) Terminals of ECU Window Defogger System.
(b) Data List / Active Test Scan Tool Testing and Procedures.
NEXT -- Continue to next step.
6. REPAIR OR REPLACE
NEXT -- Continue to next step.
7. CONFIRMATION TEST
NEXT -- END