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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 490 (Occupant Restraint Controller (Orc) - DTCS B1B00 To B1C18) >> Diagnosis And Testing >> B1B2B-1ST Row Driver Seat Belt PRETENSIONER Circuit Shorted Together >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2013 Dodge Avenger and 2013 Chrysler 200. However, it is still accessible from the selected car via links, so may be relevant.
  1. SELECT ACTIVE OR STORED DTC 
    NOTE:

    Make sure that the battery is fully charged.

    NOTE:

    The scan tool, SRS Load Tool Kit (special tool #8443A, SRS Load Tool), and DVOM are required to perform the following test.

    1. Turn the ignition on.

      Select ACTIVE or STORED DTC:

      ACTIVE DTC 

      • Go To  2

      STORED DTC 

  2. CHECK FOR SHORTED DRIVER SEAT BELT PRETENSIONER 
    Fig 1: Checking For Shorted Driver Seat Belt Pretensioner
    GC0099266Courtesy of CHRYSLER GROUP, 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 Driver Seat Belt Pretensioner connector.
      NOTE:

      Check connectors - Clean and repair as necessary.

    2. Connect the SRS Load Tool Kit (special tool #8443A, SRS Load Tool) and SRS Load Tool Jumper (special tool #8443-8, Jumper, SRS Load) to the Driver Seat Belt Pretensioner 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: B1B2B-1st ROW DRIVER SEAT BELT PRETENSIONER CIRCUIT SHORTED TOGETHER?

      Yes 

      • Go To  3

      No 

      • Replace the Driver Seat Belt Pretensioner in accordance with the Service Information.
      • Perform the AIRBAG SYSTEM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  3. CHECK (R55) DRIVER SEAT BELT TENSIONER LINE 1 CIRCUIT FOR A SHORT TO THE (R53) DRIVER SEAT BELT TENSIONER LINE 2 CIRCUIT 
    Fig 2: Checking Driver Seat Belt Tensioner Line 1 Circuit For Short To Driver Seat Belt Tensioner Line 2 Circuit
    GC0138874Courtesy of CHRYSLER GROUP, 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 (special tool #8443A, SRS Load Tool) and Jumper from the Driver Seat Belt Pretensioner connector.
    2. Disconnect the ORC connectors.
      NOTE:

      Check connectors - Clean and repair as necessary.

    3. Connect the SRS Load Tool Adaptor (special tool #8443-25, 56 Way ACM Adapter) to the ORC C1 connector.
    4. Measure the resistance between the (R55) Driver Seat Belt Tensioner Line 1 circuit and the (R53) Driver Seat Belt Tensioner Line 2 circuit at the SRS Load Tool Adaptor (special tool #8443-25, 56 Way ACM Adapter).

      Is the resistance below 10k Ohms?

      Yes 

      • Repair the (R55) Driver Seat Belt Tensioner Line 1 circuit for a short to the (R53) Driver Seat Belt Tensioner Line 2 circuit.
      • Perform the AIRBAG SYSTEM VERIFICATION TEST. Refer to STANDARD PROCEDURE .

      No 

      WARNING:

      If the Occupant Restraint Controller (ORC) is dropped at any time, it must be replaced. Failure to follow these instructions may result in possible serious or fatal injury.

      • Replace the ORC in accordance with Service Information.
      • Perform the AIRBAG SYSTEM VERIFICATION TEST. Refer to STANDARD PROCEDURE .