How To Proceed With Troubleshooting

HINT:

• Use these procedures to troubleshoot the power window control system.
• *: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP

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1. INSPECT BATTERY VOLTAGE

Standard voltage:

11 to 14 V

If the voltage is below 11 V, recharge or replace the battery before proceeding.

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1. 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.

B

GO TO DIAGNOSTIC TROUBLE CODE CHART

C

GO TO LIN COMMUNICATION SYSTEM

D

GO TO CAN COMMUNICATION SYSTEM

A

1. PROBLEM SYMPTOMS TABLE

(a) Refer to Problem Symptoms Table (See page
).

B

GO TO STEP 6

A

1. OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Operation Check (See page ).

(b) Terminals of ECU (See page ).

(c) Data List / Active Test (See page ).

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1. REPAIR OR REPLACE

B

GO TO STEP 8

A

1. RESET POWER WINDOW REGULATOR

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

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1. CONFIRMATION TEST

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END