Initial Inspection and Diagnostic Overview

WINDSHIELD / WINDOWGLASS: POWER WINDOW CONTROL SYSTEM:

HOW TO PROCEED WITH TROUBLESHOOTING

HINT:
- Use these procedures to troubleshoot the power window control 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 COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*
(a) Use the Techstream to check if the CAN communication system is functioning normally.

Result:





B -- GO TO CAN COMMUNICATION SYSTEM
A -- 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) Operation Check (Power Window Control System).
(b) Terminals of ECU (Pinout Values and Diagnostic Parameters).
(c) Data List / Active Test (Scan Tool Testing and Procedures).
NEXT -- Continue to next step.
6. REPAIR OR REPLACEMENT
NEXT -- Continue to next step.
7. CONFIRMATION TEST
NEXT -- END