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Home >> Dodge and Ram >> 2018 >> Charger Pursuit, 5.7L Eng VIN T, 4WD >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Occupant Restraint Controller (Orc) - DTCS B1BD3-00 To U1601-00 >> DTC Troubleshooting >> B212C-16-Ignition Run/Start Input-Circuit Voltage Below Threshold >> Diagnostic Test

Diagnostic Test

  1. 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. 
  2. INSPECT THE POWER DISTRIBUTION CENTER FUSE F65 FOR AN OPEN 
    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. Turn the ignition off.
    2. Remove the Run/Start Output Fuse F65 from the PDC and inspect the fuse.
      NOTE:

      Check connectors - Clean and repair as necessary.

      Is the Run/Start Relay fuse open?

      Yes 

      • Go To  3

      No 

      • Go To  4
  3. CHECK (F201) FUSED RUN/START RELAY OUTPUT CIRCUIT FOR A SHORT TO GROUND WITH ORC CONNECTED 
    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. Connect the appropriate terminal jumpers to the DVOM.
    2. Measure the resistance of the (F201) Fused Ignition Switch Output Run/Start Relay circuit between ground and the Run-Start fuse F65 output terminal in PDC.

      Is the resistance below 100.0 Ohms?

      Yes 

      • Go To  4

      No 

      • Using the wiring diagram/schematic as a guide, inspect the related wiring and connectors. Look for chafed, pierced, pinched, or partially broken wires and broken, bent, pushed out, spread, corroded, or contaminated terminals.

        Replace Run-Start Fuse.

      • Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Refer to RESTRAINTS SYSTEM VERIFICATION TEST .
  4. CHECK (F201) FUSED RUN/START RELAY OUTPUT CIRCUIT FOR A SHORT TO GROUND WITH ORC DISCONNECTED 
    1. Disconnect the ORC harness connectors.
    2. Connect the appropriate terminal jumpers to the DVOM.
      NOTE:

      Check connectors - Clean and repair as necessary.

    3. Measure the resistance of the (F201) Fused Run/Start Relay Output circuit between ground and the output terminal side of Fuse F65 in the Power Distribution Center.

      Is the resistance below 100.0 Ohms?

      No 

      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.

      Yes 

      • Go To  5
  5. CHECK (F201) FUSED RUN/START RELAY OUTPUT CIRCUIT FOR A SHORT TO GROUND WITH THE POWER DISTRIBUTION CENTER DISCONNECTED 
    1. Disconnect the appropriate Power Distribution Center harness connector.
    2. Measure the resistance of the (F201) Fused Run/Start Relay Output circuit between ground and the Power Distribution Center F65 harness connector.

      Is the resistance 100 ohms or less?

      Yes 

      • Repair the (F201) Fused Run/Start Relay Output circuit for a short to ground. Using the wiring diagram/schematic as a guide, inspect the related wiring and connectors. Look for chafed, pierced, pinched, or partially broken wires and broken, bent, pushed out, spread, corroded, or contaminated terminals. Replace the F65 fuse in the Power Distribution Center in accordance with the Service Information.
      • Perform RESTRAINTS SYSTEM VERIFICATION TEST. Refer to RESTRAINTS SYSTEM VERIFICATION TEST .

      No 

      • Replace the Power Distribution Center in accordance with the Service Information. Replace the F65 fuse in accordance with the Service Information.
      • Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Refer to RESTRAINTS SYSTEM VERIFICATION TEST .
  6. CHECK VOLTAGE AT THE INPUT SIDE OF F65 FUSE CONNECTOR IN THE POWER DISTRIBUTION CENTER 
    1. Turn the ignition on.
    2. Measure the voltage of the internal Power Distribution Center Relay Run/Start Output circuit between the input side of Fuse F65 connector and ground.

      Is the voltage above 6.5 volts?

      Yes 

      • Go To  7

      No 

      • Go To  9
  7. CHECK (F201) FUSED RUN/START RELAY OUTPUT CIRCUIT VOLTAGE AT THE ORC 
    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 ORC harness connectors.
      NOTE:

      Check connectors - Clean and repair as necessary.

    2. Connect the appropriate test leads to the DVOM.
    3. Reinstall Fuse F65 (10A) in the PDC in accordance with the Service Information.
    4. If 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.

    5. If 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.

    6. Measure the voltage of the (F201) Fused Run/Start Relay Output circuit between connector C2 - 103 terminal of the ORC Body harness connector and ground.

      Is the voltage above 6.5 volts?

      Yes 

      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.

      No 

      Go To  8.

  8. CHECK (F201) RUN/START RELAY OUTPUT CIRCUIT FOR AN OPEN 
    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. Turn the ignition off.
    2. Disconnect the Rear PDC harness connector.
    3. Measure the resistance of the (F201) Fused Run/Start Relay Output circuit between the appropriate terminal of the PDC harness connector and the ORC Module body harness connector cavity C2 - 103.

      Is the resistance 10 Ohms or less?

      Yes 

      • Replace and the Power Distribution Center in accordance with the Service Information.
      • Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Refer to RESTRAINTS SYSTEM VERIFICATION TEST .

      No 

      • Repair the (F201) Fused Run/Start Relay Output circuit for an Open. Using the wiring diagram/schematic as a guide, inspect the related wiring and connectors. Look for chafed, pierced, pinched, or partially broken wires and broken, bent, pushed out, spread, corroded, or contaminated terminals.
      • Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Refer to RESTRAINTS SYSTEM VERIFICATION TEST .
  9. CHECK FUSED B+ CIRCUIT(S) AT THE RUN/START RELAY FOR AN OPEN OR HIGH RESISTANCE 
    1. Turn the ignition off.
    2. Remove the Run/Start Relay from the Power Distribution Center.
    3. Turn the ignition on.
    4. Using a 12-volt test light connected to ground, check the Fused B+ circuits in the Run/Start Relay connector.
      NOTE:

      The test light must illuminate brightly. Compare the brightness to that of a direct connection to the battery.

      Is the test light illuminated and bright?

      Yes 

      • Go To  10

      No 

  10. CHECK RUN/START RELAY CONTROL CIRCUIT OPERATION 
    1. With the scan tool actuate the Run/Start Relay control to ON.
    2. Using a 12-volt test light connected to ground, check the Run/Start Relay Control circuit in the Run/Start Relay connector.
      NOTE:

      The test light must illuminate brightly. Compare the brightness to that of a direct connection to the battery.

    3. With the scan tool, actuate the Run/Start Relay control to OFF.

      Did the test light illuminate as described above when the control was actuated ON?

      Yes 

      • Go To  11

      No 

      • Go To  12
  11. CHECK THE RUN/START RELAY CONNECTOR TERMINALS IN THE POWER DISTRIBUTION CENTER 
    1. Turn the ignition off.
    2. Inspect the connectors where the Run/Start Relay connects to the Power Distribution Center.
    3. Look for broken, bent, pushed out or corroded terminals. Verify that there is good pin to terminal contact in the related connectors.

      Were any problems found?

      Yes 

      No 

  12. CHECK RUN/START RELAY CONNECTOR TERMINALS IN THE POWER DISTRIBUTION CENTER 
    1. Turn the ignition off.
    2. Inspect the connectors where the Run/Start Relay connects to the PDC.
    3. Look for broken, bent, pushed out or corroded terminals. Verify that there is good pin to terminal contact in the related connectors.
    4. Perform any Technical Service Bulletins that may apply.

      Were any problems found?

      Yes 

      No 

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