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 map light assembly (emergency call switch) as a result of the telematics transceiver self check, this DTC will be stored.

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

  • Map light assembly

  • Harness or connector

  • Telematics transceiver

WIRING DIAGRAM

A001972E11
*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.

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

      OK
      B15C5 is not output.

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

  2. INSPECT MAP LIGHT ASSEMBLY


    1. A001BDDE03

      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
      30 (SIG1) - 32 (GND3) Emergency call switch not operated 410 to 414 Ω
      30 (SIG1) - 32 (GND3) Emergency call switch operated 81 to 83 Ω

    NG

    REPLACE MAP LIGHT ASSEMBLY Click here

    OK

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


    1. Disconnect the L181 telematics transceiver connector.

    2. Disconnect the X4 map light assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      L181-27 (SIG1) - X4-30 (SIG1) Always Below 1 Ω
      L181-26 (SIG-) - X4-32 (GND3) Always Below 1 Ω
      L181-27 (SIG1) - Body ground Always 10 kΩ or higher
      L181-26 (SIG-) - Body ground Always 10 kΩ or higher

    OK

    REPLACE TELEMATICS TRANSCEIVER Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR