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Home >> Jeep >> 2014 >> Wrangler Sahara, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 163 (Occupant Restraint Controller (Orc) - DTCS B1C27 To U142A) >> DTC Troubleshooting >> B212D-Ignition Run Only Input Circuit Open >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2016 Dodge Journey and 2015 Dodge Journey. However, it is still accessible from the selected car via links, so may be relevant.
  1. VERIFY THAT DTC B212D-IGNITION RUN ONLY INPUT CIRCUIT OPEN IS ACTIVE IN THE ORC 
    NOTE:

    Make sure the battery is fully charged.

    1. Turn the ignition on, then off, then on again, wait 15 seconds.
    2. With the scan tool, read (ORC) DTCs.

      Does the scan tool display active: B212D-IGNITION RUN ONLY INPUT CIRCUIT OPEN?

      Yes 

      • Go To  2

      No 

  2. INSPECT JB FUSE F110 (10A) FOR AN OPEN 
    1. Turn the ignition off.
    2. Remove the Run Only Relay Output Fuse F110 from the JB and inspect the fuse.
      NOTE:

      Check connectors - Clean and repair as necessary.

      Is the Run Relay fuse open?

      Yes 

      • Go To  3

      No 

      • Go To  6
  3. CHECK (F929) FUSED RUN 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. Measure the resistance of the (F929) Fused Run Only Relay Output circuit between ground and the output terminal of Fuse F110 in the JB.

      Is the resistance 100.0 Ohms or less?

      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 Only) Output Fuse F110.

      • Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Refer to RESTRAINTS SYSTEM VERIFICATION TEST .
  4. CHECK (F929) FUSED RUN RELAY OUTPUT CIRCUIT FOR A SHORT TO GROUND WITH ORC DISCONNECTED 
    1. Disconnect the ORC harness connectors.
      NOTE:

      Check connectors - Clean and repair as necessary.

    2. Connect the (special tool #8443-28, SRS Load Tool Adapter) to the ORC harness connectors.
    3. Measure the resistance of the (F929) Fused Run Relay Output circuit between ground and the output terminal side of Fuse F110 in the JB.

      Is the resistance 100 Ohms or less?

      Yes 

      • Go To  5

      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.

  5. CHECK (F929) FUSED RUN RELAY OUTPUT CIRCUIT FOR A SHORT TO GROUND WITH THE JB DISCONNECTED 
    1. Disconnect the JB C3 harness connector.
    2. Measure the resistance of the (F929) Fused Run Relay Output circuit between ground and the JB F110 harness connector.

      Is the resistance 100 Ohms or less?

      Yes 

      • Repair the (F929) Fused Run 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 F110 fuse in the JB in accordance with the Service Information.
      • Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Refer to RESTRAINTS SYSTEM VERIFICATION TEST .

      No 

  6. CHECK VOLTAGE AT THE INPUT SIDE OF F110 FUSE CONNECTOR IN JB 
    1. Turn the ignition on.
    2. Measure the voltage of the internal JB Relay Run Output circuit between the input side of the Fuse F110 connector and ground.

      Is the voltage above 6.5 volts?

      Yes 

      • Go To  7

      No 

      • Go To  9
  7. CHECK (F929) FUSED RUN RELAY OUTPUT CIRCUIT VOLTAGE AT THE ORC 
    Fig 1: Checking Fused Run Relay Output Circuit Voltage At The ORC
    GC0139075Courtesy 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 ORC harness connectors.
      NOTE:

      Check connectors - Clean and repair as necessary.

    2. Connect the (special tool #8443-28, SRS Load Tool Adapter) to the ORC harness connectors.
    3. Reinstall Fuse F110 (10A) in the JB in accordance with the Service Information.
      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. Measure the voltage of the (F929) Fused Run Relay Output circuit between the appropriate terminal of the (special tool #8443-28, SRS Load Tool Adapter) 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 (F929) RUN RELAY OUTPUT CIRCUIT FOR AN OPEN 
    1. Turn the ignition off.
    2. Disconnect the JB C3 harness connector.
    3. Measure the resistance of the (F929) Fused Run Relay Output circuit between the JB C3 harness connector cavity 54 and the (special tool #8443-28, SRS Load Tool Adapter) C2-A cavity 81.

      Is the resistance 10 Ohms or less?

      Yes 

      No 

      • Repair the (F929) Fused Run 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 RUN RELAY FOR AN OPEN OR HIGH RESISTANCE 
    1. Turn the ignition off.
    2. Remove the Run Relay from the JB.
    3. Turn the ignition on.
    4. Using a 12-volt test light connected to ground, check the Fused B+ circuits in the Run 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 RELAY CONTROL CIRCUIT OPERATION 
    1. With the scan tool actuate the Run Relay control to ON.
    2. Using a 12-volt test light connected to ground, check the Run Relay Control circuit in the Run 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 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 RUN RELAY CONNECTOR TERMINALS IN JB 
    1. Turn the ignition off.
    2. Inspect the connectors where the Run Relay connects to the JB.
    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 RELAY CONNECTOR TERMINALS IN JB 
    1. Turn the ignition off.
    2. Inspect the connectors where the Run Relay connects to the JB.
    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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