Diagnostic Test

WARNING: This page is about a different car, the 2010 Dodge Charger and 2010 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.

TEST FOR INTERMITTENT CONDITION
1. Turn the ignition on.
  NOTE: Ensure the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts.
2. With the scan tool, select ECU View.
  NOTE: A red "X" will be next to the module that is not communicating, indicating that the module is not active on the Bus network. A green check indicates that the module is active on the Bus network.
  
  Does the scan tool display a red "X" next to the module?
  
  Yes
  - Go to step 2
  No
  - The no response condition is not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent, pushed out, and corroded terminals.
(Z913) GROUND CIRCUIT OPEN

Fig 1: Checking Ground Circuit Using 12-Volt Test Light Connected To 12-Volts
Courtesy of CHRYSLER LLC

WARNING: To avoid personal injury or death, turn the ignition off, disconnect the battery and wait two minutes before proceeding.
1. Disconnect the Occupant Restraint Controller Module harness connectors.
2. Connect the appropriate Load Tool ACM Adaptor to the ORC connector.
  WARNING: To avoid personal injury or death, turn the ignition on, then reconnect the battery.
3. Turn the ignition off.
4. Using a 12-volt test light connected to 12-volts, check the (Z913) ground circuit.
  Does the test light illuminate brightly?
  
  Yes
  - Go to step 3
  No
  - Repair the (Z913) ground circuit for an open.
  - Perform the ORC VERIFICATION TEST. Refer to DTC-Based Diagnostics/CONTROLLER, Occupant Restraint (ORC) - Standard Procedure
(F500) FUSED RUN RELAY OUTPUT CIRCUIT OPEN OR SHORTED

Fig 2: Checking Fused Run Relay Output Circuit Using 12-Volt Test Light Connected To Ground
Courtesy of CHRYSLER LLC

NOTE: Check the TIPM for any ignition related DTCs before proceeding. If set go to and perform the appropriate diagnostic procedure.
1. Turn the ignition on.
2. Using a 12-volt test light connected to ground, check the (F500) Fused Run Relay Output circuit.
  Does the test light illuminate brightly?
  
  Yes
  - Go to step 4
  No
  - Repair the (F500) Fused Run Relay Output circuit for an open or short.
  - Perform the ORC VERIFICATION TEST. Refer to DTC-Based Diagnostics/CONTROLLER, Occupant Restraint (ORC) - Standard Procedure
(F201) FUSED IGNITION SWITCH OUTPUT (RUN/START) CIRCUIT OPEN OR SHORTED

Fig 3: Checking Fused Ignition Run-Start Output Circuit Using 12-Volt Test Light Connected To Ground
Courtesy of CHRYSLER LLC
1. Using a 12-volt test light connected to ground, check the (F201) Fused Ignition Run-Start Output circuit.
  Does the test light illuminate brightly?
  
  Yes
  - Go to step 5
  No
  - Repair the (F201) Fused Ignition Run-Start Output circuit for an open or short.
  - Perform the ORC VERIFICATION TEST. Refer to DTC-Based Diagnostics/CONTROLLER, Occupant Restraint (ORC) - Standard Procedure
(D65) CAN C BUS (+) CIRCUIT OPEN

Fig 4: Measuring Resistance Of CAN C Bus (+) Circuit Between TIPM C6 Harness Connector & ORC C2 Harness Connector
Courtesy of CHRYSLER LLC

WARNING: If the Occupant Restraint Controller is dropped at any time, it must be replaced. Failure to take the proper precautions could result in accidental airbag deployment and personal injury or death.
1. Turn the ignition off.
2. Disconnect the TIPM C6 harness connector.
3. Measure the resistance of the (D65) CAN C Bus (+) circuit between the TIPM C6 harness connector and the ORC C2 harness connector.
  Is resistance below 5.0 ohms?
  
  Yes
  - Go to step 6
  No
  - Repair the (D65) CAN C Bus (+) circuit for an open.
  - Perform the ORC VERIFICATION TEST. Refer to DTC-Based Diagnostics/CONTROLLER, Occupant Restraint (ORC) - Standard Procedure
(D64) CAN C BUS (-) CIRCUIT OPEN

Fig 5: Measuring Resistance Of CAN C Bus (-) Circuit Between TIPM C6 Harness Connector & ORC C2 Harness Connector
Courtesy of CHRYSLER LLC
1. Measure the resistance of the (D64) CAN C Bus (-) circuit between the TIPM C6 harness connector and the ORC C2 harness connector.
  Is resistance below 5.0 ohms?
  
  Yes
  - Replace the Occupant Restraint Controller in accordance with the Service Information.
  - Perform the ORC VERIFICATION TEST. Refer to DTC-Based Diagnostics/CONTROLLER, Occupant Restraint (ORC) - Standard Procedure
  No
  - Repair the (D64) CAN C Bus (-) circuit for an open.
  - Perform the ORC VERIFICATION TEST. Refer to DTC-Based Diagnostics/CONTROLLER, Occupant Restraint (ORC) - Standard Procedure