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TELEMATICS SYSTEM(for G-BOOK), Diagnostic DTC:B15C5

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DTC Code DTC Name
B15C5 Manual Button Malfunction
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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
Table 1. *1 Map Light Assembly *2 Telematics Transceiver
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WIRING DIAGRAM

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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.

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

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PROCEDURE


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    CHECK DTC OUTPUT


    1. Clear the DTCs.

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      1. Body Electrical > Navigation System > Clear DTCs


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

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      1. Body Electrical > Navigation System > Trouble Codes


      Result
      Result Proceed to
      B15C5 is not output. A
      B15C5 is output. B

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    INSPECT MAP LIGHT ASSEMBLY


    1. B004TX9E05

      Remove the map light assembly.

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

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      31 (SIG1) - 32 (GND3) Emergency call switch not operated 410 to 414 Ω
      31 (SIG1) - 32 (GND3) Emergency call switch operated 81 to 83 Ω
      Result
      Proceed to
      OK
      NG

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


    1. Disconnect the G56 telematics transceiver connector.

    2. Disconnect the N9 map light assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      G56-27 (SIG1) - N9-31 (SIG1) Always Below 1 Ω
      G56-26 (SIG-) - N9-32 (GND3) Always Below 1 Ω
      G56-27 (SIG1) - Body ground Always 10 kΩ or higher
      G56-26 (SIG-) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    • OK

      REPLACE TELEMATICS TRANSCEIVERClick here

    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR