Diagnostic Test
- VERIFY ACTIVE DTC NOTE:
Make sure the battery is fully charged.
- Turn the ignition on.
- With the scan tool, read ORC DTC.NOTE:
Diagnose and Repair for the High Code first.
Does the scan tool display active B1B51-1st ROW DRIVER SEATBELT SENSOR CIRCUIT HIGH DTC?
Yes
- Go To 2
No
- Perform the RESTRAINTS SYSTEM INTERMITTENT TEST. Refer to STANDARD PROCEDURE .
- DRIVER SEAT BELT BUCKLE SWITCH SHORTED TO VOLTAGE
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.
- Disconnect the Driver Seat Belt Buckle Switch harness connector.NOTE:
Check connectors - Clean and repair as necessary.
- If the vehicle is equipped with the standard key ignition, follow this ignition on warning.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.
- If the vehicle is equipped with the keyless ignition, follow this ignition on warning.WARNING:
Disconnect the 12-volt battery wait two minutes before proceeding, remove the ORC fuses, connect the 12-volt battery, wait two minutes before proceeding. Cycle the ignition to the On position, then reconnect the ORC fuses. Wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.
- Measure the voltage on the (R57) Driver Seat Belt Buckle Switch Sensor circuit between the Driver Seat Belt Buckle Switch harness connector and ground.
- Measure the voltage on the (R59) Driver Seat Belt Buckle Switch Ground circuit between the Driver Seat Belt Buckle Switch harness connector and ground.
Is there a short to voltage on any of these circuits?
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.
- Repair the (R57, R59) Driver Seat Belt Buckle Switch circuit for a short to voltage in accordance with the Service Information.
- Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
No
- Go To 3
- Disconnect the Driver Seat Belt Buckle Switch harness connector.
- (R57) DRIVER SEAT BELT BUCKLE SWITCH SENSOR CIRCUIT AND (R59) DRIVER SEAT BELT BUCKLE SWITCH GROUND CIRCUIT FOR A SHORT TO GROUND Fig 2: Checking Driver Seat Belt Buckle Switch Sensor Circuit And Driver Seat Belt Buckle Switch Ground Circuit For A Short To Ground
Courtesy 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.
- Disconnect the Driver Seat Belt Buckle Switch harness connector.NOTE:
Check connectors - Clean and repair as necessary.
- Measure the resistance of the (R57) Driver Seat Belt Buckle Switch Sensor circuit between the Driver Seat Belt Buckle Switch harness connector and ground.
- Measure the resistance of the (R59) Driver Seat Belt Buckle Switch Ground circuit between the Driver Seat Belt Buckle Switch harness connector and ground
Is the resistance below 10k Ohms on any of these circuits?
Yes
- Repair the (R57) or (R59) Passenger Seat Belt Buckle Switch circuits for a short to ground.
- Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
No
- Go To 4
- Disconnect the Driver Seat Belt Buckle Switch harness connector.
- (R57) DRIVER SEAT BELT BUCKLE SWITCH SENSOR CIRCUIT AND (R59) DRIVER SEAT BELT BUCKLE SWITCH GROUND CIRCUIT FOR AN OPEN Fig 3: Checking Driver Seat Belt Buckle Switch Sensor Circuit And Driver Seat Belt Buckle Switch Ground Circuit For An Open
Courtesy 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.
- Disconnect the Driver Seat Belt Buckle Switch harness connector.
- Disconnect the ORC harness connectors.NOTE:
Check connectors - Clean and repair as necessary.
- Connect the (special tool #8443-28, SRS Load Tool Adapter) to the ORC C2 harness connector.
- Measure the resistance of the (R57) Driver Seat Belt Buckle Switch Sensor circuit between the Driver Seat Belt Buckle Switch harness connector and the appropriate terminal of the (special tool #8443-28, SRS Load Tool Adapter).
- Measure the resistance of the (R59) Driver Seat Belt Buckle Switch Ground circuit between the Driver Seat Belt Buckle Switch harness connector and the appropriate terminal of the (special tool #8443-28, SRS Load Tool Adapter).
Is the resistance greater than 1.0 Ohm on any of these circuits?
Yes
- Repair the (R57, R59) Driver Seat Belt Buckle Switch circuits for an open in accordance with the Service Information.
- Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
No
- Go To 5
- CHECK OPERATION OF THE DRIVER SEAT BELT BUCKLE SWITCH 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 Driver Seat Belt Buckle Switch in accordance with the Service Information. Refer to BUCKLE, SEAT BELT, REMOVAL .
- Reconnect the vehicle body harness connector to the Driver Seat Belt Buckle Switch.
- Remove any special tools or jumper wires and reconnect all previously disconnected components - except the Battery.
- If the vehicle is equipped with the standard key ignition, follow this ignition on warning.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.
- If the vehicle is equipped with the keyless ignition, follow this ignition on warning.WARNING:
Disconnect the 12-volt battery wait two minutes before proceeding, remove the ORC fuses, connect the 12-volt battery, wait two minutes before proceeding. Cycle the ignition to the On position, then reconnect the ORC fuses. Wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.
- Connect the scan tool to the Data Link Connector - use the most current software available.
- Use the scan tool and erase the stored DTCs.
- Turn the Ignition OFF, and wait 15 seconds before turning the Ignition ON.
- Wait one minute, and read active DTCs and if there are none present read the stored DTCs.
Does the scan tool display active B1B51-1ST ROW DRIVER SEATBELT SENSOR CIRCUIT HIGH 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 Occupant Restrain Controller (ORC) in accordance with the Service Information. Refer to MODULE, OCCUPANT RESTRAINT CONTROLLER, REMOVAL .
- Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
No
- Repair is complete.
- Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Refer to STANDARD PROCEDURE .