TELEMATICS SYSTEM(w/ Telematics Transceiver for G-BOOK), Diagnostic DTC:B15C5

DTC Code DTC Name
B15C5 Manual Button Malfunction

DESCRIPTION

If the telematics transceiver detects an error in the communication between the telematics transceiver and the map light assembly (emergency call switch) as a result of the telematics transceiver self check, this DTC will be stored.

DTC No. Detection Item DTC Detection Condition Trouble Area
B15C5 Manual Button Malfunction A problem with the emergency call switch is detected

  • Map light assembly

  • Harness or connector

  • Telematics transceiver

WIRING DIAGRAM

B0058G8E14
*1 Map Light Assembly
*2 Telematics Transceiver

CAUTION / NOTICE / HINT

Note


  • 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 telematics transceiver, 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
      B15C5 is not output. A
      B15C5 is output. B

    A

    USE SIMULATION METHOD TO CHECK Click here

    B

  2. INSPECT MAP LIGHT ASSEMBLY


    1. B005844N36

      Remove the map light assembly.

      Click here

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

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      13 (SIG1) - 9 (GND3) Emergency call switch not operated 410 to 414 Ω
      13 (SIG1) - 9 (GND3) Emergency call switch operated 81 to 83 Ω
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE MAP LIGHT ASSEMBLY Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (TELEMATICS TRANSCEIVER - MAP LIGHT ASSEMBLY)


    1. Disconnect the I40 telematics transceiver connector.

    2. Disconnect the T7 map light assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      I40-27 (SIG1) - T7-13 (SIG1) Always Below 1 Ω
      I40-26 (SIG-) - T7-9 (GND3) Always Below 1 Ω
      I40-27 (SIG1) - Body ground Always 10 kΩ or higher
      I40-26 (SIG-) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE TELEMATICS TRANSCEIVER Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR