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Home >> Nissan-Datsun >> 2012 >> Cube Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 103 (SRS (Supplemental Restraint System)) >> DTC Troubleshooting >> DTC 83-21: No Signal From the Outer Side Front Passenger's Weight Sensor

DTC 83-21: No Signal From the Outer Side Front Passenger's Weight Sensor

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NOTE:
  1. Clear the DTCs with the HDS (see HOW TO CLEAR DTCS  ).
  2. Turn the ignition switch to ON (II), then wait for 10 seconds.
  3. Check for DTCs with the HDS (see HOW TO CLEAR DTCS  ).

    Is DTC 83-21 indicated? 

    YES  -Go to step 4.

    NO  -Intermittent failure, the system is OK at this time. Go to TROUBLESHOOTING INTERMITTENT FAILURES  If another DTC is indicated, troubleshoot the DTC.

  4. From the HDS Main Menu, select SRS, then Inspection. In the Inspection Menu, select SWS DTC CHECK.

    Is an SWS DTC also indicated? 

    YES  -

    • DTC 21-11: Short to power in the outer side front passenger's weight sensor power circuit. Go to step 5.
    • DTC 21-12: Short to ground in the outer side front passenger's weight sensor output circuit. Go to step  11.

    NO  -Intermittent failure, the system is OK at this time. Go to TROUBLESHOOTING INTERMITTENT FAILURES  . If another DTC is indicated, troubleshoot the DTC.

  5. Turn the ignition switch to LOCK (0).
  6. Disconnect the ODS unit harness 3P connector (A) from the outer side front passenger's weight sensor (B).
    Fig 1: Identifying ODS Unit Harness 3P Connector And Outer Side Front Passenger's Weight Sensor
    G08058468Courtesy of AMERICAN HONDA MOTOR CO., INC.
  7. Turn the ignition switch to ON (II), then wait for 10 seconds.
  8. Clear the DTCs with the HDS (see HOW TO CLEAR DTCS  ).
  9. Turn the ignition switch to ON (II), then wait for 10 seconds.
  10. From the HDS Main Menu, select SRS, then Inspection. In the Inspection Menu, select SWS DTC CHECK.

    Is SWS DTC 21-11 indicated? 

    YES  -Short to power in the ODS unit harness; replace the ODS unit harness, then clear the DTC. If the DTC does not clear, replace the ODS unit (see ODS UNIT REPLACEMENT  ).

    NO  -Faulty outer side front passenger's weight sensor; replace the outer side front passenger's weight sensor (see FRONT PASSENGER'S WEIGHT SENSOR REPLACEMENT  ), then clear the DTC.

  11. Turn the ignition switch to LOCK (0).
  12. Disconnect the ODS unit harness 3P connector (A) from the outer side front passenger's weight sensor (B).
    Fig 2: Identifying ODS Unit Harness 3P Connector And Outer Side Front Passenger's Weight Sensor
    G08058469Courtesy of AMERICAN HONDA MOTOR CO., INC.
  13. Turn the ignition switch to ON (II), then wait for 10 seconds.
  14. Clear the DTCs with the HDS (see HOW TO CLEAR DTCS  ).
  15. Turn the ignition switch to LOCK (0), then wait for 10 seconds.
  16. Turn the ignition switch to ON (II), then wait for 10 seconds.
  17. From the HDS Main Menu, select SRS, then Inspection. In the Inspection Menu, select SWS DTC CHECK.

    Is SWS DTC 21-12 indicated? 

    YES  -Go to step 18.

    NO  -Faulty outer side front passenger's weight sensor; replace the outer side front passenger's weight sensor (see FRONT PASSENGER'S WEIGHT SENSOR REPLACEMENT  ), then clear the DTC.

  18. Turn the ignition switch to LOCK (0).
  19. Measure the resistance between body ground and ODS unit harness 3P connector terminal No. 3.
    Fig 3: Measuring Resistance Between Body Ground And ODS Unit Harness 3P Connector Terminal No. 3
    G08058470Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there an open circuit or at least 1 MΩ? 

    YES  -Faulty ODS unit; replace the ODS unit (see ODS UNIT REPLACEMENT  ), then clear the DTC.

    NO  -Short to ground in the ODS unit harness; replace the ODS unit harness, then clear the DTC.