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Diagnostic Test

  1. VERIFY DTC IS ACTIVE 
    NOTE:

    Make sure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding.

    1. Turn the ignition on.
    2. With the scan tool, read and record the ABS DTCs.
    3. With the scan tool, read and record the Environmental Data to help identify the conditions in which the DTC was set.
    4. With the scan tool, erase ABS DTCs.
    5. Cycle the ignition switch.
    6. With the scan tool, read the ABS DTCs.

      Does this DTC reset?

      Yes 

      • Go To  2

      No 

      • The condition that caused the symptom is currently not present. Inspect the related wiring for a possible intermittent condition. Look for any chafed, pierced, pinched or partially broken wires.
      • Perform the ABS INTERMITTENT CONDITION TEST. Refer to STANDARD PROCEDURE .
  2. CHECK FOR ANY OF THE FOLLOWING ACTIVE DTCs 
    1. With the scan tool, read all active DTCs from all CAN C Bus modules.
      NOTE:

      Check for CAN C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTCs.

      Does the scan tool display any active DTCs related to the conditions listed above?

      Yes 

      • Perform the appropriate diagnostic procedure.

      No 

      • Go To  3
  3. CHECK THE (F943) FUSED B(+) CIRCUIT FOR AN OPEN OR HIGH RESISTANCE 
    Fig 1: Checking Fused B(+) Circuit For An Open Or High Resistance
    GC0128261Courtesy of CHRYSLER GROUP, LLC
    1. Turn the ignition off.
    2. Disconnect the Clockspring C3 harness connector.
    3. Turn the ignition on.
    4. Using a 12-volt test light connected to ground, check the (F943) Fused B(+) circuit at the Clockspring C3 harness connector.
      NOTE:

      The test light should be illuminated and bright. Compare the brightness to that of a direct connection to the battery.

      Does the test light illuminate brightly?

      Yes 

      • Go To  4

      No 

      • Repair the (F943) Fused Run/Start circuit for an open.
      • Perform the ABS VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  4. CHECK THE (Z910) GROUND CIRCUIT FOR AN OPEN OR HIGH RESISTANCE 
    Fig 2: Checking Ground Circuit With 12-Volt Test Light Connected To B+
    GC0128262Courtesy of CHRYSLER GROUP, LLC
    1. Turn the ignition off.
    2. With a 12-volt test light connected to B+, check the (Z910) Ground circuit at the Clockspring C3 harness connector.
      NOTE:

      The test light should be illuminated and bright. Compare the brightness to that of a direct connection to the battery.

      Does the test light illuminate brightly?

      Yes 

      • Go To  5

      No 

      • Repair the (Z910) Ground circuit for an open.
      • Perform the ABS VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  5. VERIFY THAT THE STEERING ANGLE SENSOR IS ACTIVE ON THE BUS 
    1. With the scan tool, select ECU View.
    2. Verify that the Steering Angle Sensor is active on the bus.

      Is the Steering Angle Sensor active on the bus?

      Yes 

      • Replace the Clockspring in accordance with the Service Information.
      • Perform the ABS VERIFICATION TEST. Refer to STANDARD PROCEDURE .

      No 

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