Toyota Tundra Service Manual: Diagnosis System

DIAGNOSIS SYSTEM

1. DESCRIPTION

(a) When troubleshooting a vehicle with the diagnostic system, the only difference from the usual troubleshooting procedure is connecting the Techstream to the vehicle and reading various data output from the multiplex tilt and telescopic ECU.

The multiplex tilt and telescopic ECU stores DTCs when the ECU detects a malfunction in itself or in its circuits.

To check the DTCs, connect the Techstream to the DLC3 on the vehicle. The Techstream enables the DTCs to be cleared, several actuators to be activated, and the freeze frame data and various forms of steering data to be checked.

2. CHECK DLC3

(a) Check the DLC3.

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    Data List / Active Test

    Diagnostic Trouble Code Chart

    See More:

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    CAUTION / NOTICE / HINT HINT: Use the following procedures to troubleshoot the power door lock control system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2. CUSTOMER PROBLEM ANALYSIS CHECK HINT: In troubleshooting, confirm that the problem symptoms have been accurately iden ...

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