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Home › Toyota › 2003 › Tundra Base, Automatic › Repair and Diagnosis › Body & Frame › Door Locks › Vehicle Intrusion Protection System - Diagnostics › Circuit Inspection › Security Indicator Circuit › Inspection Procedure

Inspection Procedure

  1. Inspect security indicator (Glass breakage sensor microphone). 

    PREPARATION: 

    Remove the security indicator (glass breakage sensor microphone).

    CHECK: 

    Apply battery voltage between each terminal, and check the lighting condition of the indicator.

    OK: 

    Fig 1: Identifying Security Indicator (Glass Breakage Sensor Microphone) And Connector Terminal
    G02843928Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 2: Operation Chart
    G02843929Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG : Replace security indicator. 
    2. OK : Go to Next Step. 
  2. Check harness and connector between TVIP ECU and security indicator. 

    PREPARATION: 

    Disconnect the T11 TVIP ECU and S10 security indicator (glass breakage sensor microphone) connectors.

    Fig 3: Identifying T11 TVIP ECU And S10 Security Indicator Connectors
    G02843930Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    CHECK: 

    Check the continuity between the wire harness side connectors.

    OK 

    SPECIFIED CONDITION

    Symbols (Terminal No.) (TVIP ECU <--> Security indicator) Specified condition
    IND (T11-6) <--> IND (S10-2) Continuity
    1. NG : Repair or replace harness and connector. 
    2. OK : Go to Next Step. 
  3. Check harness and connector between security indicator and body ground. 

    PREPARATION: 

    Disconnect the S10 security indicator (glass breakage sensor microphone) connector.

    CHECK: 

    Check the continuity between the S10 security indicator wire harness side connector and body ground.

    Fig 4: Identifying S10 Security Indicator (Glass Breakage Sensor Microphone) Connector
    G02843931Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: 

    SPECIFIED CONDITION

    Symbols (Terminal No.) (Security indicator <--> Body ground) Specified condition
    E (S10-1) <--> Body ground Continuity
    1. NG : Repair or replace harness and connector. 
    2. OK : Check and replace TVIP ECU. 
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