B1C47-1st ROW PASSENGER RETRACTOR PRETENSIONER CIRCUIT LOW





For a complete wiring diagram Refer to Section 8W.


  • When Monitored:

    With the ignition on, the Occupant Restraint Controller (ORC) monitors the resistance of the Passenger Seat Belt Retractor Tensioner circuits.

  • Set Condition:

    The ORC has detected low resistance on the Passenger Seat Belt Retractor Tensioner circuits.


Possible Causes
  
(R56) PASSENGER SEAT BELT RETRACTOR TENSIONER LINE 1 CIRCUIT OR (R54) PASSENGER SEAT BELT RETRACTOR TENSIONER LINE 2 CIRCUIT SHORTED TO GROUND
  
PASSENGER SEAT BELT RETRACTOR TENSIONER
  
OCCUPANT RESTRAIN CONTROLLER (ORC)
  



Diagnostic Test

1.DETERMINE ACTIVE OR STORED DTC

NOTE: Ensure the battery is fully charged.


NOTE: The scan tool, SRS Airbag Load Tool MRL 8443, and DVOM are required to perform the following test.




Is the DTC active or stored?

ORC - ACTIVE DTC
  • Go To 2


ORC - STORED DTC
  • Go To 5

2.CHECK FOR SHORTED PASSENGER SEAT BELT RETRACTOR TENSIONER



WARNING: To avoid personal injury or death, turn the ignition off, disconnect the battery and wait two minutes before proceeding.



NOTE: Check connectors - Clean and repair as necessary.



WARNING: To avoid personal injury or death, turn the ignition on, then reconnect the battery.




Does the scan tool display: B1C47-1st ROW PASSENGER RETRACTOR PRETENSIONER CIRCUIT LOW?

Yes
  • Go To 3


No
  • Replace the Passenger Seat Belt Retractor Tensioner in accordance with the Service Information.
  • Perform *ORC VERIFICATION TEST - VER 1

3.CHECK (R56) PASSENGER SEAT BELT RETRACTOR TENSIONER LINE 1 CIRCUIT AND (R54) PASSENGER SEAT BELT RETRACTOR TENSIONER LINE 2 CIRCUIT FOR A SHORT TO GROUND



WARNING: To avoid personal injury or death, turn the ignition off, disconnect the battery and wait two minutes before proceeding.




NOTE: Check connectors - Clean and repair as necessary.






Is the resistance below 10K ohms on either circuit?

Yes
  • Repair the Passenger Seat Belt Retractor Tensioner circuits shorted to ground.
  • Perform *ORC VERIFICATION TEST - VER 1


No
  • Go To 4

4.REPLACE THE ORC

WARNING: If the Occupant Restraint Controller (ORC) is dropped at any time, it must be replaced. Failure to take the proper precautions can result in accidental airbag deployment and personal injury or death.





Repair
  • Replace the ORC in accordance with the Service Information.
  • Perform *ORC VERIFICATION TEST - VER 1

5.STORED ORC DTC



WARNING: To avoid personal injury or death, turn the ignition off, disconnect the battery and wait two minutes before proceeding.






WARNING: To avoid personal injury or death, turn the ignition on, then reconnect the battery.








Are any ACTIVE DTC's present?

Yes
  • Select the appropriate diagnostic procedure from the Table of Contents in this section.


No
  • No problem found at this time. Erase all codes before returning vehicle to customer.