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 (theft warning ultrasonic sensor) as result of self-diagnosis, following malfunctions are detected:


  1. Open in ISIF line circuit

  2. Reception of signals other than normal/trouble signal

  • Intrusion sensor (theft warning ultrasonic sensor) (roof console box assembly)

  • Main body ECU (multiplex network body ECU)

  • Wire harness or connector

WIRING DIAGRAM

A0008A8E12
*a from Auxiliary Battery
*b Intrusion Sensor (Theft Warning Ultrasonic Sensor)
*c Main Body ECU (Multiplex Network Body ECU)
*d Roof Console Box Assembly

CAUTION / NOTICE / HINT

Note

If the main body ECU (multiplex network body ECU) is replaced, refer to Service Bulletin.

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) - ROOF CONSOLE BOX ASSEMBLY)


    1. Disconnect the H9 main body ECU (multiplex network body ECU) connector.

    2. Disconnect the T10 intrusion sensor (theft warning ultrasonic sensor) (roof console box assembly) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H9-12 (ISIF) - T10-6 (IOUT) Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  2. REPLACE INTRUSION SENSOR (THEFT WARNING ULTRASONIC SENSOR) (ROOF CONSOLE BOX ASSEMBLY)


    1. Replace the intrusion sensor (theft warning ultrasonic sensor) (roof console box assembly) Click here.


    NEXT

  3. 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.

    OK

    END (INTRUSION SENSOR (THEFT WARNING ULTRASONIC SENSOR) (ROOF CONSOLE BOX ASSEMBLY) WAS DEFECTIVE)

    NG

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