Diagnostic Test

WARNING: This page is about a different car, the 2016 Dodge Durango. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FOR AN ACTIVE DTC
1. With the scan tool, read ORC DTCs and record on the repair order.
2. Record the Environmental Data.
3. With the scan tool, erase DTCs.
4. Using the recorded Environmental Data, along with the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
5. With the scan tool, read ORC DTCs.
  Did the DTC return?
  
  Yes
  - Go To 2
  No
  - Perform the RESTRAINTS SYSTEM INTERMITTENT TEST. Refer to RESTRAINTS SYSTEM INTERMITTENT TEST .
  - Probing of the circuit cavities at the ORC Module body harness connectors or vehicle connectors is only to be done with a approved test lead from the test lead 10159-6 or the use of Breakout Box 8443-55 to prevent vehicle wiring harness connector damage during diagnostic procedures.
CHECK FOR SHORTED DRIVER KNEE BOLSTER AIRBAG CIRCUITS

Fig 1: Driver Knee Bolster Squib Control Circuit Diagram
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.
1. Disconnect the Driver Knee Bolster Airbag harness connector.
  WARNING:
  Do not place an intact non-deployed airbag face down on a hard surface, the airbag propels 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 (special tool #8443A, SRS Load Tool) and the (special tool #8443-8, Jumper, SRS Load) to the Driver Knee Bolster Airbag harness connector.
3. 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.
4. 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.
5. With the scan tool, read the active ORC DTCs.
  Does the scan tool display: B0004-11-DRIVER KNEE BOLSTER SQUIB CONTROL - CIRCUIT SHORT TO GROUND?
  
  Yes
  - Go To 3
  No
  - Replace the Driver Knee Bolster Airbag in accordance with the Service Information. Refer to AIR BAG, KNEE BLOCKER, REMOVAL .
  - Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Refer to RESTRAINTS SYSTEM VERIFICATION TEST .
CHECK (R11) DRIVER KNEE BLOCKER SQUIB LINE 1 CIRCUIT OR (R9) DRIVER KNEE BLOCKER SQUIB LINE 2 CIRCUIT FOR A SHORT TO GROUND
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 (special tool #8443A, SRS Load Tool) and the appropriate Load Tool Jumper from the Driver Knee Bolster Airbag harness connector.
2. Disconnect the ORC harness connectors.
  NOTE:
  Check connectors - Clean and repair as necessary.
3. Connect the test leads to the DVOM.
4. Measure the resistance between ground and the (R11) Driver Knee Blocker Squib Line 1 circuit at the C1-A 7 terminal of the ORC module body harness connector.
5. Measure the resistance between ground and the (R9) Driver Knee Blocker Squib Line 2 circuit at the C1-A 6 terminal of the ORC module body harness connector.
  Is the resistance below 10K Ohms on either circuit?
  
  Yes
  - Repair the (R11) Driver Knee Blocker Squib Line 1 or (R9) Driver Knee Blocker Squib Line 2 circuits for a short to ground in accordance with the Service Information.
  - Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Refer to RESTRAINTS SYSTEM VERIFICATION TEST .
  No
  
  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. Refer to MODULE, OCCUPANT RESTRAINT CONTROLLER, REMOVAL .
  - Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Refer to RESTRAINTS SYSTEM VERIFICATION TEST .