Toyota Tundra Service Manual: Diagnosis System

DIAGNOSIS SYSTEM

DESCRIPTION

(a) The transponder key ECU assembly controls the engine immobiliser system. Engine immobiliser system data and Diagnostic Trouble Codes (DTCs) can be read through the vehicle Data Link Connector 3 (DLC3).

CHECK DLC3

(a) Check the DLC3.

Click here

INSPECT BATTERY VOLTAGE

(a) Measure the battery voltage.

Standard voltage:

11 to 14 V

If the voltage is below 11 V, recharge or replace the battery.

    Data List / Active Test

    Diagnostic Trouble Code Chart

    See More:

    Toyota Tundra Service Manual > Vehicle Stability Control System: Fail-safe Chart
    FAIL-SAFE CHART FAIL-SAFE OPERATION If there is a problem with sensor signals or actuator systems, the skid control ECU prohibits power supply to the brake actuator assembly and informs the ECM of a VSC system malfunction. The brake actuator assembly turns off the solenoids and the ECM stops its VSC ...

    Toyota Tundra Owners Manual

    Toyota Tundra Service Manual

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