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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 60 (Occupant Restraint Controller (Orc) - Electrical Diagnostics) >> Diagnosis and Testing >> B0050-13-Driver SEATBELT Sensor - Circuit Open >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2011 RAM Pickup and 2011 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
  1. VERIFY ACTIVE DTC 
    NOTE:

    Ensure the battery is fully charged.

    1. Turn the ignition on.
    2. With the scan tool, read ORC DTC.

      Does the scan tool display active B0050-13-DRIVER SEATBELT SENSOR - CIRCUIT OPEN DTC?

      Yes 

      • Go To  2.

      No 

  2. VERIFY WIRING 
    Fig 1: Measuring Resistance Of Driver Seat Belt Buckle Switch Sense Circuit
    GC0089790Courtesy 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 Driver Seat Belt Buckle Switch harness connector.
    2. Disconnect the ORC harness connectors.
      NOTE:

      Check connectors - Clean and repair as necessary.

    3. Connect the SRS Load Tool Adapter (special tool #8443-24, 32-Way Adapter) to the ORC C2 harness connector.
    4. Measure the resistance of the (R57) Driver Seat Belt Buckle Switch Sense circuit between the Driver Seat Belt Buckle Switch harness connector cavity 2 and the SRS Load Tool Adapter (special tool #8443-24, 32-Way Adapter) cavity 10.
    5. Measure the resistance of the (R59) Driver Seat Belt Buckle Switch Ground circuit between the Driver Seat Belt Buckle Switch harness connector cavity 1 and SRS Load Tool Adapter (special tool #8443-24, 32-Way Adapter) cavity 18.

      Is the resistance greater than 1.0 Ohms on any of these circuits?

      Yes 

      • Repair the (R57, R59) Driver Seat Belt Buckle Switch circuits for an open.
      • Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Refer to Standard Procedure .

      No 

      • Go To  3.
  3. VERIFY OPEN SWITCH 
    1. Replace the Driver Seat Belt Buckle Switch.
    2. Reconnect the vehicle body harness connector to the Driver Seat Belt Buckle Switch.
    3. Remove any special tools or jumper wires and reconnect all previously disconnected components - except the Battery.
      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.

    4. Connect the scan tool to the Data Link Connector - use the most current software available.
    5. Use the scan tool and erase the stored DTCs.
    6. Turn the Ignition OFF, and wait 15 seconds before turning the Ignition ON.
    7. Wait one minute, and read active DTCs and if there are none present read the stored DTCs.

      Does the scan tool display active B0050-13-DRIVER SEATBELT SENSOR - CIRCUIT OPEN DTC?

      Yes 

        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.

      • 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 Instructions.
      • Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Refer to Standard Procedure .

      No 

      • Repair is complete.
      • Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Refer to Standard Procedure .
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