Toyota Tundra Service Manual: How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

  • Use the following procedures to troubleshoot the power mirror control system.
  • *: Use the ECU.

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.

Click here

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

Result

Proceed to

Fault is not listed in problem symptoms table

A

Fault is listed in problem symptoms table

B

B

GO TO STEP 6

A

5.

OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Operation Check

Click here

(b) DATA LIST / ACTIVE TEST

Click here

(c) Terminals of ECU

Click here

NEXT

6.

ADJUST, REPAIR OR REPLACE

NEXT

7.

CONFIRMATION TEST

NEXT

END

    Data List / Active Test

    Operation Check

    See More:

    Toyota Tundra Service Manual > Power Mirror Control System(w/ Memory): Power Mirrors do not Return to Memorized Position
    DESCRIPTION If any of the M1 or M2 seat memory switch is pressed, the outer mirror control ECU assembly LH detects the switch operation and sends the seat memory switch signal to the main body ECU (multiplex network body ECU) via CAN communication. The main body ECU (multiplex network body ECU) send ...

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