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

  • Intrusion sensor (theft warning ultrasonic sensor) (map light assembly)

  • Main body ECU (multiplex network body ECU)

  • Wire harness or connector

WIRING DIAGRAM

A005DJVE17
*1 from Auxiliary Battery
*2 Intrusion Sensor (Theft Warning Ultrasonic Sensor)
*3 Main Body ECU (Multiplex Network Body ECU)
*4 Map Light Assembly

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (MAIN 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) - U3-13 (IOUT) Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  2. REPLACE INTRUSION SENSOR (THEFT WARNING ULTRASONIC SENSOR) (MAP LIGHT ASSEMBLY)


    1. Replace the intrusion sensor (theft warning ultrasonic sensor) (map light 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) (MAP LIGHT ASSEMBLY) WAS DEFECTIVE)

    NG

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