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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1009 (THEFT DETERRENT SYSTEM)INSPECTION
2004 Toyota Matrix XR, FWD, Standard

Section 1009 (Theft Deterrent System): Inspection

2004 Toyota Matrix XR, FWD, StandardSECTION Inspection
WARNING: This page is about a different car, the 2004 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT THEFT DETERRENT INDICATOR LIGHT OPERATION 
    1. Remove the combination meter.
    2. Disconnect the combination meter connector.
    3. Check indicator light lights up when connect the positive (+) lead from the battery to terminal B8 and the negative (-) lead to terminal B1 of combination meter connector.

    If operation is not as specified, replace the indicator light.

    Fig 1: Inspecting Theft Deterrent Indicator Light Operation
    G03494380Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSPECT THEFT DETERRENT INDICATOR LIGHT CIRCUIT (See  CIRCUIT INSPECTION  ) 
  3. INSPECT ENGINE HOOD COURTESY SWITCH CONTINUITY 
    SWITCH POSITION TABLE

    Switch position Tester connection Specified condition
    OFF (closed) - No continuity
    ON (opened) 1-2 Continuity

    If continuity is not as specified, replace the switch.

    Fig 2: Inspecting Engine Hood Courtesy Switch Continuity
    G03494381Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. INSPECT ENGINE HOOD COURTESY SWITCH CIRCUIT (See  ENGINE HOOD COURTESY SWITCH CIRCUIT  ) 

    Disconnect the connector from the switch and inspect the connector on the wire harness side, as shown in Fig 3 .

    Fig 3: Inspecting Engine Hood Courtesy Switch Circuit
    G03494382Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    SPECIFIED CONDITION CHART

    Tester connection Condition Specified condition
    2 - Ground Always Continuity

    If circuit is not as specified, inspect power source or wire harness.

  5. Inspect THEFT DETERRENT SIREN BATTERY 
    1. The internal battery is fully discharged.
    2. Set the system inside the vehicle.
    3. Disconnect the connector of theft deterrent ECU in this condition, and sounds the siren for open detection.
    4. The siren battery is normal when the siren sounds for 30 seconds, stops, then after 5 seconds, seconds again.
    5. Replace the siren battery when the siren stops sounding before 30 seconds elapse the battery because the battery life has run out.
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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

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  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.