THEFT DETERRENT SYSTEM, Diagnostic DTC:B2762

DTC Code DTC Name
B2762 Intrusion Sensor Signal Circuit Malfunction

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

  • Theft warning radar sensor (intrusion sensor)

  • Main body ECU (multiplex network body ECU)

  • Wire harness or connector

WIRING DIAGRAM

A0042B5E01

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) - MAP LIGHT ASSEMBLY)


    1. Disconnect the L8 main body ECU (multiplex network body ECU) connector.

    2. Disconnect the U3 map light assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      L8-12 (ISIF) - U3-6 (IOUT) Always Below 1 Ω
      L8-12 (ISIF) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  2. REPLACE THEFT WARNING RADAR SENSOR (INTRUSION SENSOR)


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


    NEXT

  3. CHECK FOR DTC


    1. Check if DTC B2762 is not output Click here.

      OK
      DTC B2762 is not output.

    NG

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

    OK

    END (THEFT WARNING RADAR SENSOR (INTRUSION SENSOR) WAS FAULTY)