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THEFT DETERRENT SYSTEM, Diagnostic DTC:B2762

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DTC Code DTC Name
B2762 Intrusion Sensor Signal Circuit Malfunction
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DESCRIPTION


DTC No. DTC Detection Condition Trouble Area
B2762

After normal/trouble signal is output from intrusion sensor as result of self-diagnosis, following malfunctions are detected:


  1. ISIF line circuit is open

  2. Reception of signals other than normal/trouble signal

  • Map light assembly

  • Intrusion sensor (theft warning ultrasonic sensor)

  • Main body ECU (multiplex network body ECU)

  • Wire harness or connector
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WIRING DIAGRAM

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INSPECTION PROCEDURE

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PROCEDURE


  1. Click here

    CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - MAP LIGHT ASSEMBLY)


    1. Disconnect the H17 main body ECU (multiplex network body ECU) connector.

    2. Disconnect the T6 map light assembly connector.

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      H17-12 (ISIF) - T6-10 (IOUT) Always Below 1 Ω

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    REPLACE MAP LIGHT ASSEMBLY


    1. Replace the map light assembly (Click here).


  3. Click here

    CHECK FOR DTC


    1. Clear the DTCs (Click here).

    2. Turn the power switch on (IG), then off.

    3. Set the theft deterrent system to "ARMED STATE".

    4. Check that the security indicator changes from illuminated to blinking.

    5. Set the theft deterrent system to "DISARMED STATE".

    6. Check for DTCs (Click here).

      OK
      DTC B2762 is not output.

  4. Click here

    REPLACE INTRUSION SENSOR (THEFT WARNING ULTRASONIC SENSOR)


    1. Replace the intrusion sensor (theft warning ultrasonic sensor) (Click here).


  5. Click here

    CHECK FOR DTC


    1. Clear the DTCs (Click here).

    2. Turn the power switch on (IG), then off.

    3. Set the theft deterrent system to "ARMED STATE".

    4. Check that the security indicator changes from illuminated to blinking.

    5. Set the theft deterrent system to "DISARMED STATE".

    6. Check for DTCs (Click here).

      OK
      DTC B2762 is not output.

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    REPAIR OR REPLACE HARNESS OR CONNECTOR

  7. Click here

    END (MAP LIGHT ASSEMBLY WAS DEFECTIVE)

  8. Click here

    END (INTRUSION SENSOR (THEFT WARNING ULTRASONIC SENSOR) WAS DEFECTIVE)

  9. Click here

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)Click here