Diagnostic Test

CHECK FOR ACTIVE DTC
1. With the scan tool, record and erase DTCs.
2. Cycle the ignition switch from off to on, leaving the ignition off for a minimum of 30 seconds.
3. With the scan tool, read the active DTCs.
  Does the scan tool display this DTC as active?
  
  Yes
  - Go to step 2
  No
  - If the DTC is stored, check for an intermittent condition. Using the wiring diagram/schematic as a guide, visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals.
  - Perform BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
CHECK FOR ACTIVE DTC B2124-IGNITION RUN CONTROL 1 CIRCUIT OPEN WITH THE OCCUPANT RESTRAINT CONTROLLER MODULE DISCONNECTED

Fig 1: Checking Ignition Run Control 1 Circuit
Courtesy of CHRYSLER LLC

WARNING: To avoid possible serious or fatal injury, turn the ignition off, disconnect the battery and wait two minutes before proceeding.
1. Turn the ignition off.
2. Disconnect the ORC C2 harness connector.
3. Connect a jumper wire at the 8443A Load Tool from the (F100) Fused Ignition Switch Output (Run) circuit to ground.
4. Turn the ignition on.
5. Reconnect the battery.
6. With the scan tool, read DTCs.
  Does the scan tool display active: B2124-IGNITION RUN CONTROL 1 CIRCUIT OPEN?
  
  Yes
  - Go to step 3
  No
  - Replace the Occupant Restraint Controller Module in accordance with the service information.
  - Perform ORC VERIFICATION TEST. Refer to DTC-Based Diagnostics/CONTROLLER, Occupant Restraint (ORC) - Standard Procedure .
CHECK THE (F100) FUSED IGNITION SWITCH OUTPUT (RUN) CIRCUIT FOR AN OPEN

Fig 2: Checking Fused Ignition Switch Output (Run) Circuit
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Disconnect the TIPM C7 harness connector.
3. Measure the resistance of the (F100) Fused Ignition Switch Output (RUN) circuit.
  Is the resistance above 10K ohms?
  
  Yes
  - Repair the (F100) Fused Ignition Switch Output (RUN) circuit for an open.
  - Perform BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
  No
  - Replace the TIPM in accordance with the service information.
  - Perform BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .