Toyota Tundra Service Manual: How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

  • Use these procedures to troubleshoot the sliding roof 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 LIN COMMUNICATION SYSTEM*

(a) Using the Techstream, check if the LIN communication system is functioning normally.

Result

Proceed to

LIN communication system DTC is not output

A

LIN communication system DTC is output

B

B

GO TO LIN COMMUNICATION SYSTEM

A

4.

PROBLEM SYMPTOMS TABLE

(a) Refer to the problem symptoms table.

Click here

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) Initialization

Click here

(c) Terminals of ECU

Click here

(d) Data List / Active Test

Click here

NEXT

6.

ADJUST, REPAIR OR REPLACE

NEXT

7.

CONFIRMATION TEST

NEXT

END

    Dtc Check / Clear

    Initialization

    See More:

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    DESCRIPTION The ECM uses signals from the output shaft speed sensor and input speed sensor to detect the actual gear position (1st, 2nd, 3rd, 4th, 5th or 6th gear). Then the ECM compares the actual gear with the shift schedule in the ECM memory to detect mechanical problems of the shift solenoid val ...

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