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Home >> Toyota >> 2015 >> Avalon Hybrid Limited >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Supplemental Restraint System - Diagnostic Codes & Symptom Tests - (Hybrid) >> Airbag System >> DTC B1690/15: Door Side Airbag Sensor RH Malfunction [10/2014 - ] >> Procedure

DTC B1690/15: Door Side Airbag Sensor RH Malfunction [10/2014 - ]: Procedure

  1. CHECK CONNECTORS 
    1. Turn the power switch off.
    2. Disconnect the cable from the negative (-) auxiliary battery terminal.
      WARNING:

      Wait at least 90 seconds after disconnecting the cable from the negative (-) auxiliary battery terminal to disable the SRS system.

    3. Check that the connectors are properly connected to the side No. 2 airbag sensor assembly RH and door side airbag sensor RH. Also check that the connectors that link the No. 2 floor wire and front door wire RH are properly connected.

      OK

      The connectors are properly connected.

      HINT: 

      If the connectors are not properly connected, reconnect the connectors and proceed to the next inspection.

    4. Disconnect the connectors from the side No. 2 airbag sensor assembly RH and door side airbag sensor RH. Also disconnect the connectors that link the No. 2 floor wire and front door wire RH.
    5. Check that the terminals of the connectors are not damaged.

      OK

      The terminals are not deformed or damaged.

    Result: 

    NG 

    REPLACE WIRE HARNESS 

    Result: 

    OK 

    See step  2

  2. CHECK WIRE HARNESS (OPEN) 
    1. Connect the connectors that link the No. 2 floor wire and front door wire RH.
      GTY601094Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using a service wire, connect terminals 2 (BDR+) and 1 (BDR-) of connector E.
      NOTE:

      Do not forcibly insert the service wire into the terminals of the connector when connecting the wire.

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

      Standard Resistance

      Tester Connection Condition Specified Condition
      K8-1 (BDR+) - K8-2 (BDR-) Always Below 1 Ω
      TEXT IN ILLUSTRATION

      *1 Door Side Airbag Sensor RH
      *2 Side No. 2 Airbag Sensor Assembly RH
      *3 Service Wire
      *a Front view of wire harness connector
      (to Side No. 2 Airbag Sensor Assembly RH)
      *b Front view of wire harness connector
      (to Door Side Airbag Sensor RH)

    Result: 

    NG 

    See step  7

    Result: 

    OK 

    See step  3

  3. CHECK WIRE HARNESS (SHORT TO B+) 
    1. Connect the cable to the negative (-) auxiliary battery terminal.
      GTY593417Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Turn the power switch on (IG).
    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      K8-1 (BDR+) - Body ground Power switch on (IG) Below 1 V
      K8-2 (BDR-) - Body ground Power switch on (IG) Below 1 V
    4. Turn the power switch off.
    5. Disconnect the cable from the negative (-) auxiliary battery terminal.
      WARNING:

      Wait at least 90 seconds after disconnecting the cable from the negative (-) auxiliary battery terminal to disable the SRS system.

      TEXT IN ILLUSTRATION

      *1 Door Side Airbag Sensor RH
      *2 Side No. 2 Airbag Sensor Assembly RH
      *a Front view of wire harness connector
      (to Side No. 2 Airbag Sensor Assembly RH)

    Result: 

    NG 

    See step  8

    Result: 

    OK 

    See step  4

  4. CHECK WIRE HARNESS (SHORT TO GROUND) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY593417Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

      Tester Connection Condition Specified Condition
      K8-1 (BDR+) - Body ground Always 1 MΩ or higher
      K8-2 (BDR-) - Body ground Always 1 MΩ or higher
      TEXT IN ILLUSTRATION

      *1 Door Side Airbag Sensor RH
      *2 Side No. 2 Airbag Sensor Assembly RH
      *a Front view of wire harness connector
      (to Side No. 2 Airbag Sensor Assembly RH)

    Result: 

    NG 

    See step  9

    Result: 

    OK 

    See step  5

  5. CHECK DOOR SIDE AIRBAG SENSOR RH 
    1. Connect the connector to the side No. 2 airbag sensor assembly RH.
      GTY571347Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Interchange the door side airbag sensor RH with LH and connect the connectors.
    3. Connect the cable to the negative (-) auxiliary battery terminal.
    4. Clear the DTCs stored in memory (Refer to DTC CHECK / CLEAR [10/2014 - ] ).
    5. Turn the power switch off.
    6. Turn the power switch on (IG), and wait for at least 60 seconds.
    7. Check for DTCs (Refer to DTC CHECK / CLEAR [10/2014 - ] ).

      Result

      Result Proceed to
      DTC B1690/15 is output. A
      DTC B1695/16 is output. B
      DTCs B1690/15 and B1695/16 are not output. C

      HINT: 

      Codes other than DTCs B1690/15 and B1695/16 may be output at this time, but they are not related to this check.

    8. Turn the power switch off.
    9. Disconnect the cable from the negative (-) auxiliary battery terminal.
      WARNING:

      Wait at least 90 seconds after disconnecting the cable from the negative (-) auxiliary battery terminal to disable the SRS system.

    10. Return the door side airbag sensor RH and LH to their original positions and connect the connectors.
      TEXT IN ILLUSTRATION

      *1 Door Side Airbag Sensor LH
      *2 Side No. 2 Airbag Sensor Assembly RH

    Result: 

    B 

    REPLACE DOOR SIDE AIRBAG SENSOR RH 

    (Refer to REMOVAL [10/2014 - ] )

    Result: 

    C 

    USE SIMULATION METHOD TO CHECK 

    (Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2014 - 10/2015] or HOW TO PROCEED WITH TROUBLESHOOTING [10/2015 - ] )

    Result: 

    A 

    See step  6

  6. CHECK SIDE NO. 2 AIRBAG SENSOR ASSEMBLY RH 
    1. Interchange the side No. 2 airbag sensor assembly RH with LH and connect the connectors.
      GTY579902Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Connect the cable to the negative (-) auxiliary battery terminal.
    3. Clear the DTCs stored in memory (Refer to DTC CHECK / CLEAR [10/2014 - ] ).
    4. Turn the power switch off.
    5. Turn the power switch on (IG), and wait for at least 60 seconds.
    6. Check for DTCs (Refer to DTC CHECK / CLEAR [10/2014 - ] ).

      Result

      Result Proceed to
      DTCs B1690/15 and B1695/16 are not output. A
      DTC B1695/16 is output. B
      DTC B1690/15 is output. C

      HINT: 

      Codes other than DTCs B1690/15 and B1695/16 may be output at this time, but they are not related to this check.

    7. Turn the power switch off.
    8. Disconnect the cable from the negative (-) auxiliary battery terminal.
      WARNING:

      Wait at least 90 seconds after disconnecting the cable from the negative (-) auxiliary battery terminal to disable the SRS system.

    9. Return the side No. 2 airbag sensor assembly RH and LH to their original positions and connect the connectors.
      TEXT IN ILLUSTRATION

      *1 Side No. 2 Airbag Sensor Assembly LH
      *2 Side Airbag Sensor Assembly RH

    Result: 

    A 

    USE SIMULATION METHOD TO CHECK 

    (Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2014 - 10/2015] or HOW TO PROCEED WITH TROUBLESHOOTING [10/2015 - ] )

    Result: 

    B 

    REPLACE SIDE NO. 2 AIRBAG SENSOR ASSEMBLY RH 

    (Refer to REMOVAL [10/2014 - ] )

    Result: 

    C 

    REPLACE AIRBAG ECU ASSEMBLY 

    (Refer to REMOVAL [10/2014 - ] )

  7. CHECK FRONT DOOR WIRE RH (OPEN) 
    1. Disconnect the front door wire RH connector from the No. 2 floor wire.
      GTY600113Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      The service wire has already been inserted into connector E.

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

      Standard Resistance

      Tester Connection Condition Specified Condition
      FK1-1 (BDR+) - FK1-2 (BDR-) Always Below 1 Ω
    3. Disconnect the service wire from connector E.
      TEXT IN ILLUSTRATION

      *1 Door Side Airbag Sensor RH
      *2 Side No. 2 Airbag Sensor Assembly RH
      *3 Front Door Wire RH
      *4 No. 2 Floor Wire
      *5 Service Wire
      *a Front view of wire harness connector
      (to No. 2 Floor Wire)
      *b Front view of wire harness connector
      (to Door Side Airbag Sensor RH)

    Result: 

    OK 

    REPLACE NO. 2 FLOOR WIRE 

    Result: 

    NG 

    REPLACE FRONT DOOR WIRE RH 

  8. CHECK FRONT DOOR WIRE RH (SHORT TO B+) 
    1. Disconnect the front door wire RH connector from the No. 2 floor wire.
      GTY557568Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Connect the cable to the negative (-) auxiliary battery terminal.
    3. Turn the power switch on (IG).
    4. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      FK1-1 (BDR+) - Body ground Power switch on (IG) Below 1 V
      FK1-2 (BDR-) - Body ground Power switch on (IG) Below 1 V
      TEXT IN ILLUSTRATION

      *1 Door Side Airbag Sensor RH
      *2 Side No. 2 Airbag Sensor Assembly RH
      *3 Front Door Wire RH
      *4 No. 2 Floor Wire
      *a Front view of wire harness connector
      (to No. 2 Floor Wire)

    Result: 

    OK 

    REPLACE NO. 2 FLOOR WIRE 

    Result: 

    NG 

    REPLACE FRONT DOOR WIRE RH 

  9. CHECK FRONT DOOR WIRE RH (SHORT TO GROUND) 
    1. Disconnect the front door wire RH connector from the No. 2 floor wire.
      GTY557568Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      FK1-1 (BDR+) - Body ground Always 1 MΩ or higher
      FK1-2 (BDR-) - Body ground Always 1 MΩ or higher
      TEXT IN ILLUSTRATION

      *1 Door Side Airbag Sensor RH
      *2 Side No. 2 Airbag Sensor Assembly RH
      *3 Front Door Wire RH
      *4 No. 2 Floor Wire
      *a Front view of wire harness connector
      (to No. 2 Floor Wire)

    Result: 

    OK 

    REPLACE NO. 2 FLOOR WIRE 

    Result: 

    NG 

    REPLACE FRONT DOOR WIRE RH