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 simulating the symptoms indicated by the DTC.

Result





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

C -- GO TO LIN COMMUNICATION SYSTEM LIN 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 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 MOTOR

(a) If the power window regulator master switch AUTO light is blinking, reset the power window regulator motor Programming and Relearning.

NEXT -- Continue to next step.

8. CONFIRMATION TEST

NEXT -- END