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Home >> Toyota >> 2004 >> Tundra Base, Standard >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Vehicle Intrusion Protection System - Diagnostics >> Circuit Inspection >> Door Key Lock And Unlock Switch Circuit >> Inspection Procedure

Inspection Procedure

  1. Check power door lock control system operation. 

    CHECK: 

    Check that the power door lock control system is operating normally.

    1. NG: Check power door lock control system (see  LOCATION  ). 
    2. OK: Go to Next Step. 
  2. Check harness and connector between TVIP ECU and door key lock and unlock switch. 

    PREPARATION: 

    1. Disconnect the T11 and T12 TVIP ECU connectors.
    2. Disconnect the D22 or D23 door key lock and unlock switch connector.
      Fig 1: Terminals Continuity Specifications
      G01304824Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    CHECK: 

    Check the continuity between the wire harness side connectors.

    OK: 

    Fig 2: View Of T11 & T12 TVIP ECU Connectors, D22 & D23 Connectors
    G01304825Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: Repair or replace harness and connector. 
    2. OK: Go to Next Step. 

    Replace TVIP ECU.