THEFT DETERRENT SYSTEM, Diagnostic DTC:B2763

DTC Code DTC Name
B2763 Intrusion Sensor +B Circuit Malfunction (GND Short)

DESCRIPTION


DTC No. DTC Detection Condition Trouble Area
B2763 S+B line is shorted

  • Intrusion sensor

  • Wire harness

  • Main body ECU RH (cowl side junction block RH)

WIRING DIAGRAM

A0160C8E01

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK MAIN BODY ECU RH (COWL SIDE JUNCTION BLOCK RH)


    1. A01637OE01

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      R5-5 (S+B) - Body ground Theft deterrent system is set. 11 to 14 V

    NG

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

    OK

  2. CHECK HARNESS AND CONNECTOR (MAP LIGHT ASSEMBLY - BODY GROUND)


    1. A01637OE02

      Disconnect R5 map light connector.

    2. Measure the Resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      R5-39 (GND) - Body ground Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. REPLACE MAP LIGHT ASSEMBLY


    1. Replace the map light assembly Click here.


    NEXT

  4. CHECK FOR DTC


    1. Clear the DTC Click here.

    2. Check for DTC B2763 again.

      OK
      DTC B2763 is not output.

    NG

    REPLACE MAIN BODY ECU RH (COWL SIDE JUNCTION BLOCK RH)

    OK

    END

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


    1. A015YR1E02

      Disconnect the J75 main body ECU RH connector and R5 map light assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      J75-11 (S+B) - R5-5 (S+B) Always Below 1 Ω
      J75-11 (S+B) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE MAIN BODY ECU RH (COWL SIDE JUNCTION BLOCK RH)