Toyota Tundra Service Manual: How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

  • Use the following procedures to troubleshoot the power tilt and power telescopic steering column 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 CAN COMMUNICATION SYSTEM*

(a) Check for DTCs.

Click here

Result

Proceed to

CAN system DTC is not output

A

CAN system DTC is output

B

HINT:

When any CAN communication system DTCs are output, perform troubleshooting on the CAN communication system first.

B

GO TO CAN COMMUNICATION SYSTEM

A

4.

CHECK FOR DTCs*

(a) Check for DTCs.

Click here

Result

Proceed to

DTCs are not output

A

DTCs are output

B

B

GO TO DIAGNOSTIC TROUBLE CODE CHART

A

5.

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 7

A

6.

OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Terminals of ECU.

Click here

(b) Data List/Active Test.

Click here

NEXT

7.

REPAIR

NEXT

8.

CONFIRMATION TEST

NEXT

END

    Freeze Frame Data

    IG Power Source Circuit

    See More:

    Toyota Tundra Service Manual > Occupant Classification System: System Description
    SYSTEM DESCRIPTION 1. GENERATION DESCRIPTION (a) The occupant classification system determines whether the front passenger seat is occupied by an adult or child (with child seat) or is unoccupied, based on the load that is applied to the front passenger seat and whether the seat belt is buckled. The ...

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