TELEMATICS SYSTEM(for G-BOOK), Diagnostic DTC:B15C6

DTC Code DTC Name
B15C6 Ignition Switch Signal Malfunction

DESCRIPTION

If vehicle movement (10 km/h (6 mph) or more for 10 seconds) is detected based on the location data sent from the navigation ECU even when the telephone transceiver assembly detects that the power switch is off, this DTC will be stored.

DTC No. Detection Item DTC Detection Condition Trouble Area
B15C6 Ignition Switch Signal Malfunction IG signal error

  • Harness or connector

  • Telephone transceiver assembly

WIRING DIAGRAM

B004CROE03

CAUTION / NOTICE / HINT

Note


  • Inspect the fuse for circuits related to this system before performing the following procedure.

  • Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for G-BOOK.

    Click here

  • When replacing the telephone transceiver assembly, make sure to replace it with a new one.

PROCEDURE


  1. CHECK DTC OUTPUT


    1. Clear the DTCs.

      Click here


      Body Electrical > Navigation System > Clear DTCs

    2. Recheck for DTCs and check if the same DTC is output again.

      Click here


      Body Electrical > Navigation System > Trouble Codes
      Result
      Result Proceed to
      B15C6 is not output. A
      B15C6 is output. B

    A

    USE SIMULATION METHOD TO CHECK Click here

    B

  2. CHECK HARNESS AND CONNECTOR (TELEPHONE TRANSCEIVER ASSEMBLY - BATTERY AND BODY GROUND)


    1. B004B2WC47
      *a

      Front view of wire harness connector

      (to Telephone Transceiver Assembly)

      Disconnect the telephone transceiver assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      P134-4 (E) - Body ground Always Below 1 Ω

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      P134-7 (IG2) - Body ground Power switch on (IG) 11 to 14 V
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE TELEPHONE TRANSCEIVER ASSEMBLY Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR