Windshield Deicer System

WINDSHIELD / WINDOWGLASS: WINDSHIELD DEICER SYSTEM: 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 How to Proceed With Troubleshooting
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