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:

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    Toyota Tundra Service Manual

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