TELEMATICS SYSTEM(for ERA-GLONASS), Diagnostic DTC:B15C5

DTC Code DTC Name
B15C5 Emergency Switch Error (Open or Short)

DESCRIPTION

This DTC is stored when the telematics transceiver detects an open or short circuit in the manual (SOS) switch.

DTC No. Detection Item DTC Detection Condition Trouble Area
B15C5 Emergency Switch Error (Open or Short) Open or short circuit in the manual (SOS) switch is detected

  • Telematics transceiver

  • Roof console box sub-assembly (manual (SOS) switch)

  • Wire harness or connector

WIRING DIAGRAM

B0087E8E14
*1 Roof Console Box Sub-assembly (Manual (SOS) Switch)
*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 Registration for Telematics System.

Click here

PROCEDURE


  1. CHECK DTC


    1. Turn the engine switch off.

    2. Connect the GTS to the DLC3.

    3. Turn the engine switch on (IG) and wait for 10 seconds or more.

    4. Turn the GTS on.

    5. Clear the DTCs.


      Body Electrical > Telematics > Clear DTCs

    6. Check for DTCs and check that no DTCs are output.


      Body Electrical > Telematics > Trouble Codes
      OK
      No DTCs are output.
      Result
      Proceed to
      OK
      NG

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

  2. INSPECT ROOF CONSOLE BOX SUB-ASSEMBLY (MANUAL (SOS) SWITCH)


    1. Remove the roof console box sub-assembly (manual (SOS) switch).

      Click here

    2. B00891YC40
      *a

      Component without harness connected

      (Roof Console Box Sub-assembly (Manual (SOS) Switch))

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      17 (SIG1) - 12 (GND3) Manual (SOS) switch not pressed 392 to 432 Ω
      17 (SIG1) - 12 (GND3) Manual (SOS) switch pressed 78 to 86 Ω
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE ROOF CONSOLE BOX SUB-ASSEMBLY (MANUAL (SOS) SWITCH) Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (TELEMATICS TRANSCEIVER - ROOF CONSOLE BOX SUB-ASSEMBLY (MANUAL (SOS) SWITCH))


    1. Disconnect the K145 telematics transceiver connector.

    2. Disconnect the V20 roof console box sub-assembly (manual (SOS) switch) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      K145-27 (SIG1) - V20-17 (SIG1) Always Below 1 Ω
      K145-26 (SIG-) - V20-12 (GND3) Always Below 1 Ω
      K145-27 (SIG1) or V20-17 (SIG1) - Body ground Always 10 kΩ or higher
      K145-26 (SIG-) or V20-12 (GND3) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. REPLACE TELEMATICS TRANSCEIVER


    1. Replace the telematics transceiver with a new one.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

    PERFORM REGISTRATION Click here