How To Proceed With Troubleshooting

WINDOW / GLASS: 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 FOR DTC*

(a) Check for DTCs and make a note of any codes that are output.

(b) Clear the DTCs.

(c) Recheck for DTCs. Based on the DTCs output in the first step, try to force output of the same DTC by reproducing the symptoms indicated by the DTC.

Result





B -- GO TO DIAGNOSTIC TROUBLE CODE CHART Power Window Control System

C -- GO TO LIN COMMUNICATION SYSTEM Initial Inspection and Diagnostic Overview

D -- GO TO CAN COMMUNICATION SYSTEM Diagnosis System
A -- Continue to next step.

4. PROBLEM SYMPTOMS TABLE

(a) Refer to 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 Operation Check.

(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 REPLACE

Result





B -- GO TO STEP 8
A -- Continue to next step.

7. RESET POWER WINDOW REGULATOR

(a) If a power window regulator switch LED is blinking, initialize the power window regulator Initialization.

NEXT -- Continue to next step.

8. CONFIRMATION TEST

NEXT -- END