TELEMATICS SYSTEM, 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

  • Wire harness or connector

  • Telematics transceiver

WIRING DIAGRAM

A01VODXE19
*1 Telematics Transceiver
*2 Map Light Assembly

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

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.


      Body Electrical > Navigation System > Trouble Codes
      Result
      Result Proceed to
      No DTCs are output. A
      DTCs are output. B

    A

    USE SIMULATION METHOD TO CHECK Click here

    B

  2. INSPECT MAP LIGHT ASSEMBLY


    1. B0066FDC17
      *a

      Component without harness connected

      (Map Light Assembly)

      Remove the map light assembly.

      Click here

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

      Standard Resistance
      Tester Connection 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 O65 telematics transceiver connector.

    2. Disconnect the W4 map light assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      O65-27 (SIG1) - W4-13 (SIG1) Always Below 1 Ω
      O65-26 (SIG-) - W4-9 (GND3) Always Below 1 Ω
      O65-27 (SIG1) - Body ground Always 10 kΩ or higher
      O65-26 (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