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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 491 (Occupant Restraint Controller (Orc) - DTCS B1C19 To U1415) >> Diagnosis And Testing >> B1C29-Left Side Seat Thorax Squib 1 Open >> 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. DETERMINE 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 DIAGNOSTIC TROUBLE CODE (DTC) 

      • Go To  2

      STORED DTC 

  2. CHECK FOR OPEN SQUIB CIRCUITS IN LEFT SEAT SQUIB AIRBAG 
    Fig 1: Checking For Shorted Squib Circuits
    GC0123479Courtesy 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 Left Seat Squib Airbag connector.
      WARNING:

      Do not place an intact non-deployed Seat Squib 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 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 #8443-1, Jumpers, 2 Pin) to the Left Seat Squib Airbag 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. Using the scan tool, read the active ORC DTCs.

      Does the scan tool display: B1C29-LEFT SIDE SEAT THORAX SQUIB 1 OPEN?

      Yes 

      • Go To  3

      No 

      • Replace the Left Seat Squib Airbag in accordance with the Service Information.
      • Perform the AIRBAG SYSTEM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  3. CHECK (R7) LEFT SEAT SQUIB LINE 1 CIRCUIT FOR AN OPEN 
    Fig 2: Checking Left Seat Squib Line 1 Circuit For An Open
    GC0138902Courtesy 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 Left Seat Squib Airbag 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 connectors.
    4. Measure the resistance of the (R7) Left Seat Squib Line 1 circuit between the Left Seat Squib Airbag connector and the SRS Load Tool Adaptor (special tool #8443-25, 56 Way ACM Adapter).

      Is the resistance below 1.0 Ohm?

      Yes 

      • Go To  4

      No 

      • Repair the (R7) Left Seat Squib Line 1 circuit for an open or high resistance.
      • Perform the AIRBAG SYSTEM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  4. CHECK (R5) LEFT SEAT SQUIB LINE 2 CIRCUIT FOR AN OPEN 
    Fig 3: Checking Left Seat Squib Line 2 Circuit For An Open
    GC0138903Courtesy of CHRYSLER GROUP, LLC
    1. Measure the resistance of the (R5) Left Seat Squib Line 2 circuit between the Left Side Seat Squib Airbag connector and the SRS Load Tool Adaptor (special tool #8443-25, 56 Way ACM Adapter).

      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. Failure to follow these instructions may result in possible serious or fatal injury.

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

      No 

      • Repair the (R5) Left Seat Squib Line 2 circuit for an open or high resistance.
      • Perform the AIRBAG SYSTEM VERIFICATION TEST. Refer to STANDARD PROCEDURE .