Initial Inspection and Diagnostic Overview

WINDSHIELD / WINDOW GLASS: POWER WINDOW CONTROL SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

HINT
Use these procedures to troubleshoot the power window control system.

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. PROBLEM SYMPTOMS TABLE

Result





B -- Go to step 5
A -- Continue to next step.

4. OVERALL ANALYSIS AND TROUBLESHOOTING

(a) Terminals of ECU Pinout Values and Diagnostic Parameters

(b) 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