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Home >> Toyota >> 2023 >> RAV4 XLE, FWD >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Safety Connect System - Diagnostic Codes (2 Of 2), Circuit Tests & Symptom Tests >> Safety Connect System >> DTC B15C5-11: Emergency Call Switch Circuit Short to Ground; DTC B15C5-13: Emergency Call Switch Circuit Open [10/2022 - ] >> Procedure

DTC B15C5-11: Emergency Call Switch Circuit Short to Ground; DTC B15C5-13: Emergency Call Switch Circuit Open [10/2022 - ]: Procedure

  1. CLEAR DTC 

    Pre-procedure1

    1. Turn the ignition switch to ON and wait for 10 seconds or more.

      Procedure1

    2. Clear the DTCs.

      Body Electrical > Telematics > Clear DTCs 

      Result

      Proceed to
      NEXT

      Post-procedure1

    3. None

    Result: 

    NEXT 

    See step  2

  2. CHECK FOR DTC 
    1. Check for DTCs.

      Body Electrical > Telematics > Trouble Codes 

      Result

      Result Proceed to
      DTCs are not output A
      DTCs are output (for 9 Speakers) B
      DTCs are output (for 6 Speakers) C

    Result: 

    A 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2018 - ] 

    Result: 

    C 

    See step  6

    Result: 

    B 

    See step  3

  3. INSPECT MAP LIGHT SUB-ASSEMBLY (MANUAL [SOS] SWITCH) 

    Pre-procedure1

    1. Remove the map light sub-assembly.
      GTY1118656Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A for TMC Made
      *B for TMMC Made
      *a Component without harness connected
      (Map Light Sub-assembly (Manual [SOS] Switch))

      HINT: 

      Refer to REMOVAL [11/2018 - ]

      Procedure1

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

      Standard Resistance

      FOR TMC MADE

      Tester Connection Switch Condition Specified Condition
      22 (SIG1) - 14 (GND3) Manual (SOS) switch not operated 410 to 414 Ω
      22 (SIG1) - 14 (GND3) Manual (SOS) switch operated 81 to 83 Ω
      FOR TMMC MADE

      Tester Connection Switch Condition Specified Condition
      9 (SIG1) - 10 (GND3) Manual (SOS) switch not operated 410 to 414 Ω
      9 (SIG1) - 10 (GND3) Manual (SOS) switch operated 81 to 83 Ω

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    3. None

    Result: 

    NG 

    REPLACE MAP LIGHT SUB-ASSEMBLY. Refer to  REMOVAL [11/2018 - ] 

    Result: 

    OK 

    See step  4

  4. CHECK HARNESS AND CONNECTOR (DCM [TELEMATICS TRANSCEIVER] - MAP LIGHT SUB-ASSEMBLY) 

    Pre-procedure1

    1. Disconnect the G131 DCM (telematics transceiver) connector.
    2. Disconnect the P20*1 or P14*2 map light sub-assembly (manual [SOS] switch) connector.
      1. *1: for TMC Made
      2. *2: for TMMC Made

      Procedure1

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

      Standard Resistance

      FOR TMC MADE

      Tester Connection Condition Specified Condition
      G131-4 (IND1) - P20-10 (IND1) Always Below 1 Ω
      G131-4 (IND1) or P20-10 (IND1) - Body ground Always 10 kΩ or higher
      G131-3 (SIG-) - P20-14 (GND3) Always Below 1 Ω
      G131-3 (SIG-) or P20-14 (GND3) - Body ground Always 10 kΩ or higher
      FOR TMMC MADE

      Tester Connection Condition Specified Condition
      G131-4 (IND1) - P14-11 (IND1) Always Below 1 Ω
      G131-4 (IND1) or P14-11 (IND1) - Body ground Always 10 kΩ or higher
      G131-3 (SIG-) - P14-10 (GND3) Always Below 1 Ω
      G131-3 (SIG-) or P14-10 (GND3) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    4. None

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  5

  5. REPLACE DCM (TELEMATICS TRANSCEIVER) 
    1. Replace the DCM (telematics transceiver).

      HINT: 

      Refer to REMOVAL [10/2022 - ]

      NOTE:
      • The ignition switch must be off.
      • Do not exchange the DCM (telematics transceiver) with one from another vehicle.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    PERFORM DCM ACTIVATION. Refer to  DCM ACTIVATION [10/2022 - ] 

  6. INSPECT MAP LIGHT SUB-ASSEMBLY (MANUAL [SOS] SWITCH) 

    Pre-procedure1

    1. Remove the map light sub-assembly.
      GTY1114026Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A for TMC Made or for TMMC Made, with Panoramic Moon Roof System
      *B for TMMC Made, without Panoramic Moon Roof System
      *a Component without harness connected
      (Map Light Sub-assembly (Manual [SOS] Switch))

      HINT: 

      Refer to REMOVAL [11/2018 - ]

      Procedure1

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

      Standard Resistance

      FOR TMC MADE OR FOR TMMC MADE, WITH PANORAMIC MOON ROOF SYSTEM

      Tester Connection Switch Condition Specified Condition
      22 (SIG1) - 14 (SIG-) Manual (SOS) switch not operated 410 to 414 Ω
      22 (SIG1) - 14 (SIG-) Manual (SOS) switch operated 81 to 83 Ω
      FOR TMMC MADE, WITHOUT PANORAMIC MOON ROOF SYSTEM

      Tester Connection Switch Condition Specified Condition
      9 (SIG1) - 10 (GND3) Manual (SOS) switch not operated 410 to 414 Ω
      9 (SIG1) - 10 (GND3) Manual (SOS) switch operated 81 to 83 Ω

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    3. None

    Result: 

    NG 

    REPLACE MAP LIGHT SUB-ASSEMBLY. Refer to  REMOVAL [11/2018 - ] 

    Result: 

    OK 

    See step  7

  7. CHECK HARNESS AND CONNECTOR (DCM [TELEMATICS TRANSCEIVER] - MAP LIGHT SUB-ASSEMBLY) 

    Pre-procedure1

    1. Disconnect the G131 DCM (telematics transceiver) connector.
    2. Disconnect the P20*1 or P14*2 map light sub-assembly (manual [SOS] switch) connector.
      1. *1: for TMC Made or for TMMC Made, with Panoramic Moon Roof System
      2. *2: for TMMC Made, without Panoramic Moon Roof System

      Procedure1

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

      Standard Resistance

      FOR TMC MADE OR FOR TMMC MADE, WITH PANORAMIC MOON ROOF SYSTEM

      Tester Connection Condition Specified Condition
      G131-4 (IND1) - P20-10 (IND1) Always Below 1 Ω
      G131-4 (IND1) or P20-10 (IND1) - Body ground Always 10 kΩ or higher
      G131-3 (SIG-) - P20-14 (SIG-) Always Below 1 Ω
      G131-3 (SIG-) or P20-14 (SIG-) - Body ground Always 10 kΩ or higher
      FOR TMMC MADE, WITHOUT PANORAMIC MOON ROOF SYSTEM

      Tester Connection Condition Specified Condition
      G131-4 (IND1) - P14-11 (IND1) Always Below 1 Ω
      G131-4 (IND1) or P14-11 (IND1) - Body ground Always 10 kΩ or higher
      G131-3 (SIG-) - P14-10 (GND3) Always Below 1 Ω
      G131-3 (SIG-) or P14-10 (GND3) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    4. None

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  8

  8. REPLACE DCM (TELEMATICS TRANSCEIVER) 
    1. Replace the DCM (telematics transceiver).

      HINT: 

      Refer to REMOVAL [10/2022 - ]

      NOTE:
      • The ignition switch must be off.
      • Do not exchange the DCM (telematics transceiver) with one from another vehicle.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    PERFORM DCM ACTIVATION. Refer to  DCM ACTIVATION [10/2022 - ] 

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