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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> External Pages >> Different car >> Section 326 (Air Bag Restraint System - Electrical Diagnostics) >> DTC Troubleshooting >> B1C49-1st ROW PASSENGER RETRACTOR TENSIONER CIRCUIT OPEN >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2010 Dodge Charger and 2010 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
  1. DETERMINE ACTIVE OR STORED DTC 
    NOTE: Make sure the battery is fully charged.
    1. Turn the ignition on.
    2. With the scan tool, read all active ORC DTCs.

      Is the DTC active or stored?

      ORC - ACTIVE DTC 

      • Go to step  2

      ORC - STORED DTC 

  2. CHECK FOR PASSENGER SEAT BELT RETRACTOR TENSIONER CIRCUIT OPEN 
    Fig 1: Checking For Passenger Seat Belt Retractor Tensioner Circuit Open
    GC0096289Courtesy of CHRYSLER LLC
    WARNING: Turn the ignition off, disconnect the 12-volt battery and wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.
    1. Disconnect the Passenger Seat Belt Retractor Tensioner connector.
      WARNING: Do not place an intact undeployed airbag face down on a hard surface, the airbag will propel into the air if accidentally deployed. Failure to follow these instructions may result in possible serious or fatal injury.
      NOTE: Check the connectors - Clean and repair as necessary.
      Fig 2: Connecting SRS Load Tool Kit 8443-20
      GC0096284Courtesy of CHRYSLER LLC
    2. Connect the SRS Load Tool Kit 8443A and the SRS Load Tool Jumper 8443-8 (domestic) or 8443-20 (export) to the Passenger Seat Belt Retractor Tensioner connector.
      WARNING: Turn the ignition on, then reconnect the 12-volt battery and wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.
    3. With the scan tool, read the active ORC DTCs.

      Does the scan tool display: B1C49-1st ROW PASSENGER RETRACTOR TENSIONER CIRCUIT OPEN?

      Yes 

      • Go to step  3

      No 

        WARNING: Turn the ignition off, disconnect the 12-volt battery and wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.
      • Replace the Passenger Seat Belt Retractor Tensioner in accordance with the Service Information.
      • Perform the RESTRAINT SYSTEMS VERIFICATION TEST. See DTC-Based Diagnostics/CONTROLLER, Occupant Restraint (ORC) - Standard Procedure .
  3. CHECK (R506) PASSENGER SEAT BELT RETRACTOR TENSIONER LINE 1 CIRCUIT FOR AN OPEN 
    Fig 3: Checking Passenger Seat Belt Retractor Tensioner Line 1 Circuit For An Open
    GC0096290Courtesy of CHRYSLER LLC
    WARNING: Turn the ignition off, disconnect the 12-volt battery and wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.
    1. Disconnect the SRS Load Tool Kit 8443A and the SRS Load Tool Jumper 8443-8 (domestic) or 8443-20 (export) from the Passenger Seat Belt Retractor Tensioner connector.
    2. Disconnect the ORC connectors.
      NOTE: Check the connectors - Clean and repair as necessary.
      Fig 4: Measuring Resistance Of Passenger Seat Belt Retractor Tensioner Line 1 Circuit
      GC0096291Courtesy of CHRYSLER LLC
    3. Connect the SRS Load Tool Adapter 8443-24 to the ORC connectors.
    4. Measure the resistance of the (R506) Passenger Seat Belt Retractor Tensioner Line 1 circuit between the Passenger Seat Belt Retractor Tensioner connector and the SRS Load Tool Adapter 8443-24.

      Is the resistance below 1.0 Ohm?

      Yes 

      • Go to step  4

      No 

      • Repair or replace the (R506) Passenger Seat Belt Retractor Tensioner Line 1 circuit in accordance with the Service Information. Then Go To  4
  4. CHECK (R504) PASSENGER SEAT BELT RETRACTOR TENSIONER LINE 2 CIRCUIT FOR AN OPEN 
    Fig 5: Checking Passenger Seat Belt Retractor Tensioner Line 2 Circuit For An Open
    GC0096292Courtesy of CHRYSLER LLC
    Fig 6: Measuring Resistance Of Passenger Seat Belt Retractor Tensioner Line 2 Circuit
    GC0096293Courtesy of CHRYSLER LLC
    1. Measure the resistance of the (R504) Passenger Seat Belt Retractor Tensioner Line 2 circuit between the Passenger Seat Belt Retractor Tensioner connector and the SRS Load Tool Adapter 8443-24.

      Is the resistance below 1.0 Ohm?

      Yes 

        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 serious or fatal injury.
      • Replace the ORC in accordance with Service Information.
      • Perform the RESTRAINTS SYSTEM VERIFICATION TEST. See DTC-Based Diagnostics/CONTROLLER, Occupant Restraint (ORC) - Standard Procedure .

      No 

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