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Home >> Toyota >> 2004 >> Tundra Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 474 (Vehicle Intrusion Protection System - Diagnostics) >> Vehicle Intrusion Protection System >> Circuit Inspection >> Door Lock Motor Circuit >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2006 Toyota Tundra and 2005 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.
  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 lock motor. 

    PREPARATION: 

    1. Disconnect the T13 TVIP ECU connector.
    2. Disconnect the D25 or D26 unlock detection switch connector.

    CHECK: 

    Check the continuity between the wire harness side connectors.

    Fig 1: Checking Harness And Connector Between TVIP ECU And Door Lock Motor
    G02643814Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: 

    Fig 2: TVIP ECU And Door Lock Motor Table
    G02643815Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG : Repair or replace harness and connector. 
    2. OK : Replace TVIP ECU.