Toyota Tundra Service Manual: How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

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

PROCEDURE

1.

VEHICLE BROUGHT TO WORKSHOP

NEXT

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

3.

CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

(a) Use the Techstream to check if the CAN communication system is functioning normally.

Result

Proceed to

CAN DTC is not output

A

CAN DTC is output

B

B

GO TO CAN COMMUNICATION SYSTEM

A

4.

PROBLEM SYMPTOMS TABLE

(a) Refer to the problem symptoms table.

Click here

Result

Proceed to

Fault not listed in problem symptoms table

A

Fault listed in problem symptoms table

B

B

GO TO STEP 6

A

5.

OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Operation Check.

Click here

(b) Terminals of ECU.

Click here

(c) Data List / Active Test.

Click here

NEXT

6.

REPAIR OR REPLACEMENT

NEXT

7.

CONFIRMATION TEST

NEXT

END

    Driver Side Power Window does not Operate with Power Window Master Switch

    Key-off Operation Function Operates even if Operating Conditions are not Satisfied

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