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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 Unlock Detection 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 unlock detection switch. 

    PREPARATION: 

    1. Disconnect the T12 TVIP ECU connector.
    2. Disconnect the D25 or D26 door unlock detection switch connector.
      Fig 1: Terminals Continuity Specifications
      G01304827Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    CHECK: 

    Check the continuity between the wire harness side connectors.

    OK: 

    Fig 2: View Of T12 TVIP ECU Connector, D25 & D26 Door Unlock Detection Switch Connector Terminals
    G01304828Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: Repair or replace harness and connector. 
    2. OK: Go to Next Step. 

    Repair TVIP ECU.