LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2003 >> Corolla LE, Standard >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Vehicle Intrusion Protection System - Diagnostics >> Glass Breakage Sensor Circuit >> Inspection Procedure
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Inspection Procedure

  1. CHECK SECURITY INDICATOR LIGHT 
    1. Set the system in 30 seconds after filliping the security indicator to check if the alarm is triggered.

    OK: NO PROBLEM 

    NG 

  2. CHECK GLASS BREAKAGE SENSOR ECU (GLASS BREAKAGE SENSOR) 
    1. Check the continuity and voltage of the glass breakage sensor ECU.

      Standard: 

      GLASS BREAKAGE SENSOR ECU VOLTAGE & CONTINUITY CHECK

      Terminal No. Condition Specified condition
      G3-1 <=> Body ground Constant Battery voltage
      G3-3 <=> Body ground Constant Pulse generation
      G3-5 <=> Body ground Constant Continuity
      G3-8 <=> Body ground Ignition switch ON Battery voltage
      Fig 1: Checking Glass Breakage Sensor Connector Terminals
      G02833073Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: CHECK AND REPLACE GLASS BREAKAGE SENSOR ECU 

    OK: Go to next step 

  3. CHECK WIRE HARNESS (TVIP ECU <=> GLASS BREAKAGE SENSOR ECU) 
    1. Disconnect the TVIP ECU and glass breakage sensor ECU connectors.
    2. Check the continuity and between the connectors on the harness side.

      Standard: 

      WIRE HARNESS (TVIP ECU <=> GLASS BREAKAGE SENSOR ECU) CONTINUITY CHECK

      Symbols (Terminal No.) (TVIP ECU <=> Sensor ECU) Specified condition
      IOUT (T3-11) <=> IOUT (G3-3) Continuity
      Fig 2: Identifying Glass Breakage Sensor & TVIP ECU Connector Terminals
      G02833074Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE WIRE HARNESS AND CONNECTOR 

    OK: Go to next step 

  4. CHECK WIRE HARNESS (GLASS BREAKAGE SENSOR ECU <=> BODY GROUND) 
    1. Disconnect the glass breakage sensor ECU connector.
    2. Check the continuity between the terminal of the glass breakage sensor ECU connector and the body ground.

      Standard: 

      WIRE HARNESS (GLASS BREAKAGE SENSOR ECU <=> BODY GROUND) CONTINUITY CHECK

      Symbols (Terminal No.) (Glass breakage sensor <=> Body ground) Specified condition
      GND (G3-6) <=> Body ground Continuity
      Fig 3: Identifying Glass Breakage Sensor Connector Terminals
      G02833075Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE WIRE HARNESS AND CONNECTOR 

    OK CHECK AND REPLACE TVIP ECU  . See ELECTRONIC CIRCUIT INSPECTION PROCEDURE .