Windshield Deicer System

WINDSHIELD / WINDOWGLASS: WINDSHIELD DEICER SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

HOW TO PROCEED WITH TROUBLESHOOTING
HINT:
- Use these procedures to troubleshoot the windshield deicer 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. INSPECT ELECTRIC POWER CONTROL SYSTEM*
(a) Using the Techstream, check the electric power control system's load control history Symptom Related Diagnostic Procedures.
NEXT -- Continue to next step.

4. INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*
(a) Use the Techstream to check that the CAN communication system is functioning normally.

Result





B -- Go to CAN COMMUNICATION SYSTEM
A -- Continue to next step.

5. PROBLEM SYMPTOMS TABLE
(a) Refer to the problem symptoms table Problem Symptoms Table.

Result





B -- Go to step 7
A -- Continue to next step.

6. OVERALL ANALYSIS AND TROUBLESHOOTING*
(a) Terminals of ECU Windshield Deicer System
(b) DATA LIST / ACTIVE TEST Windshield Deicer System
(c) Inspection
NEXT -- Continue to next step.

7. REPAIR OR REPLACE
NEXT -- Continue to next step.

8. CONFIRMATION TEST
NEXT -- END