How To Proceed With Troubleshooting

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

HOW TO PROCEED WITH TROUBLESHOOTING
HINT:
- Use this procedure 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 LARGE-SCALE BODY MULTIPLEX COMMUNICATION SYSTEM (BEAN)*
(a) Using the Techstream, check if the Multiplex Communication System (MPX) is functioning normally.

Result





B -- Go to MULTIPLEX COMMUNICATION SYSTEM
A -- Continue to next step.

4. PROBLEM SYMPTOMS TABLE

Result





B -- Go to step 7
A -- Continue to next step.

5. OVERALL ANALYSIS AND TROUBLESHOOTING*
(a) Terminals of ECU Pinout Values and Diagnostic Parameters
(b) DATA LIST / ACTIVE TEST Scan Tool Testing and Procedures
(c) On-vehicle Inspection On-Vehicle Inspection
(d) Inspection Inspection
NEXT -- Continue to next step.

6. ADJUST, REPAIR OR REPLACE
NEXT -- Continue to next step.

7. CONFIRMATION TEST
NEXT -- Continue to next step.

8. RESET POWER WINDOW MOTOR
If the power window switch AUTO light is blinking, reset the power window Programming and Relearning.
NEXT -- END