LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 2020 >> Avalon Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 98 (Safety Connect System - Diagnostic Codes & Symptom Tests (Hybrid)) >> SAFETY CONNECT SYSTEM (for HV Model) >> DTC B15C5: Manual Button Malfunction [04/2018 - 08/2020] >> Procedure

DTC B15C5: Manual Button Malfunction [04/2018 - 08/2020]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CONFIRM MODEL 
    1. Choose the model to be inspected.

      Result

      Result Proceed to
      w/ Sliding Roof A
      w/o Sliding Roof B

    Result: 

    B 

    See step  6

    Result: 

    A 

    See step  2

  2. CHECK DTC 
    1. Turn the power switch off.
    2. Connect the Techstream to the DLC3.
    3. Turn the power switch on (IG) and wait for 10 seconds.
    4. Turn the Techstream on.
    5. Clear the DTCs.

      Body Electrical > Telematics > Clear DTCs 

    6. Recheck for DTCs.

      Body Electrical > Telematics > Trouble Codes 

      Result

      Result Proceed to
      DTC B1570, B1571 and B15C5 are output A
      DTC B15C5 is output
      (DTC B1570 and B1571 are not output)      		 B

    Result: 

    B 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [04/2018 - ] 

    Result: 

    A 

    See step  3

  3. INSPECT ROOF CONSOLE BOX SUB-ASSEMBLY (MANUAL (SOS) SWITCH) 
    1. Disconnect the O10 roof console box sub-assembly connector.
      GTY753353Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Roof Console Box Sub-assembly)
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      24 (SIG1) - 16 (GND3) Manual (SOS) switch not pressed 410 to 414 Ω
      24 (SIG1) - 16 (GND3) Manual (SOS) switch pressed 81 to 83 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE ROOF CONSOLE BOX SUB-ASSEMBLY. Refer to  REMOVAL [04/2018 - ] 

    Result: 

    OK 

    See step  4

  4. CHECK HARNESS AND CONNECTOR (DCM (TELEMATICS TRANSCEIVER) - ROOF CONSOLE BOX SUB-ASSEMBLY) 
    1. Disconnect the G9 DCM (Telematics Transceiver) connector.
    2. Disconnect the O10 roof console box sub-assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G9-26 (SIG-) - O10-16 (GND3) Always Below 1 Ω
      G9-26 (SIG-) or O10-16 (GND3) - Body ground Always 10 kΩ or higher
      G9-27 (SIG1) - O10-24 (SIG1) Always Below 1 Ω
      G9-27 (SIG1) or O10-24 (SIG1) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  5

  5. REPLACE DCM (TELEMATICS TRANSCEIVER) 
    1. Replace the DCM (Telematics Transceiver).

      Refer to REMOVAL [04/2018 - 08/2020]

      NOTE:
      • The power switch must be off.
      • Do not swap the DCM (Telematics Transceiver) with one from another vehicle.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    PERFORM DCM ACTIVATION. Refer to  DCM ACTIVATION [04/2018 - 08/2020] 

  6. CHECK DTC 
    1. Turn the power switch off.
    2. Connect the Techstream to the DLC3.
    3. Turn the power switch on (IG) and wait for 10 seconds.
    4. Turn the Techstream on.
    5. Clear the DTCs.

      Body Electrical > Telematics > Clear DTCs 

    6. Recheck for DTCs.

      Body Electrical > Telematics > Trouble Codes 

      Result

      Result Proceed to
      DTC B1570, B1571 and B15C5 are output A
      DTC B15C5 is output
      (DTC B1570 and B1571 are not output)      		 B

    Result: 

    B 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [04/2018 - ] 

    Result: 

    A 

    See step  7

  7. INSPECT ROOF CONSOLE BOX SUB-ASSEMBLY (MANUAL (SOS) SWITCH) 
    1. Disconnect the O9 roof console box sub-assembly connector.
      GTY774614Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Roof Console Box Sub-assembly)
    2. 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 410 to 414 Ω
      17 (SIG1) - 12 (GND3) Manual (SOS) switch pressed 81 to 83 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE ROOF CONSOLE BOX SUB-ASSEMBLY. Refer to  REMOVAL [04/2018 - ] 

    Result: 

    OK 

    See step  8

  8. CHECK HARNESS AND CONNECTOR (DCM (TELEMATICS TRANSCEIVER) - ROOF CONSOLE BOX SUB-ASSEMBLY) 
    1. Disconnect the G9 DCM (Telematics Transceiver) connector.
    2. Disconnect the O9 roof console box sub-assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G9-26 (SIG-) - O9-12 (GND3) Always Below 1 Ω
      G9-26 (SIG-) or O9-12 (GND3) - Body ground Always 10 kΩ or higher
      G9-27 (SIG1) - O9-17 (SIG1) Always Below 1 Ω
      G9-27 (SIG1) or O9-17 (SIG1) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  9

  9. REPLACE DCM (TELEMATICS TRANSCEIVER) 
    1. Replace the DCM (Telematics Transceiver).

      Refer to REMOVAL [04/2018 - 08/2020]

      NOTE:
      • The power switch must be off.
      • Do not swap the DCM (Telematics Transceiver) with one from another vehicle.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    PERFORM DCM ACTIVATION. Refer to  DCM ACTIVATION [04/2018 - 08/2020] 

scientia non olet · About LEMON Manuals