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Home >> Dodge and Ram >> 2018 >> Durango Pursuit >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 ((Active Damping Control Module (ADCM) - SRT8 - Electrical Diagnostics)) >> DTC Troubleshooting >> C15B1-11-Rear Acceleration Sensor - Circuit Short To Ground >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different variant/trim than selected.
  1. CHECK FOR AN ACTIVE DTC 
    1. Turn the ignition on.
    2. With the scan tool, read DTCs and record on the repair order.
    3. With the scan tool, erase DTCs.
    4. Start the Engine.
    5. With the scan tool, read ADCM DTCs.

      Is the DTC active?

      Yes 

      • Go To  2

      No 

  2. REAR ACCELERATION SENSOR HARNESS CONNECTOR 
    NOTE:

    Make sure the Acceleration Sensor harness connector is connected correctly.

    1. Turn the ignition off.
    2. Inspect the Acceleration Sensor harness connector for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
    3. Wiggle test the wiring harness and connectors while monitoring the scan tool data relative to this circuit.

      Were any problems found?

      Yes 

      No 

      • Go To  3
  3. CHECK THE (S168) REAR ACCELERATION SENSOR SIGNAL CIRCUIT FOR A SHORT TO GROUND 
    1. Disconnect the Acceleration Sensor harness connector.
    2. Disconnect the ADCM C2 harness connector.
    3. Check for continuity between ground and the (S168) Rear Acceleration Sensor Signal circuit at the ADCM C2 harness connector.

      Is there continuity between ground and the (S168) Rear Acceleration Sensor Signal circuit?

      Yes 

      • Go To  4

      No 

      • Repair the (S168) Rear Acceleration Sensor Signal circuit for a short ground.
      • Perform the ADCM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  4. CHECK THE (S168) REAR ACCELERATION SENSOR SIGNAL CIRCUIT FOR AN OPEN OR HIGH RESISTANCE 
    1. Measure the resistance of the (S168) Rear Acceleration Sensor Signal circuit between the Rear Acceleration Sensor harness connector and the ADCM C2 harness connector.

      Is the resistance above 5.0 Ohms?

      Yes 

      • Repair the (S166) Rear Acceleration Sensor Signal circuit for an open or high resistance.
      • Perform the ADCM VERIFICATION TEST. Refer to STANDARD PROCEDURE .

      No 

      • Go To  5
  5. CHECK THE (S166) REAR ACCELERATION SENSOR POWER CIRCUIT FOR AN OPEN OR HIGH RESISTANCE 
    1. Measure the resistance of the (S166) Rear Acceleration Sensor Power circuit between the Rear Acceleration Sensor harness connector and the ADCM C2 harness connector.

      Is the resistance above 5.0 Ohms?

      Yes 

      • Repair the (S166) Rear Acceleration Sensor Power circuit for an open or high resistance.
      • Perform the ADCM VERIFICATION TEST. Refer to STANDARD PROCEDURE .

      No 

      • Go To  6
  6. INSTALL A KNOWN GOOD ACCELERATION SENSOR AND CHECK DTCS 
    1. Install a known good Acceleration Sensor in accordance with the Service Information. Refer to SENSOR, ACTIVE DAMPING, REMOVAL .
    2. Operate the vehicle within the conditions that originally set the DTC or use the When Monitored and Set Conditions.
    3. With the scan tool, read DTCs.

      Did the DTC return?

      Yes 

      • Go To  7

      No 

  7. CHECK RELATED HARNESS CONNECTIONS 
    1. Disconnect all ADCM harness connectors.
    2. Disconnect all related in-line harness connections (if equipped).
    3. Disconnect the related component harness connectors.
    4. Inspect harness connectors, component connectors, and all male and female terminals for the following conditions:
      • Proper connector installation.
      • Damaged connector locks.
      • Corrosion.
      • Other signs of water intrusion.
      • Weather seal damage (if equipped).
      • Bent terminals.
      • Overheating due to a poor connection (terminal may be discolored due to excessive current draw).
      • Terminals that have been pushed back into the connector cavity.
      • Check for spread terminals and verify proper terminal tension.

      Repair any conditions that are found.

    5. Reconnect all ADCM harness connectors. Be certain that all harness connectors are fully seated and the connector locks are fully engaged.
    6. Reconnect all in-line harness connectors (if equipped). Be certain that all connectors are fully seated and the connector locks are fully engaged.
    7. Reconnect all related component harness connectors. Be certain that all connectors are fully seated and the connector locks are fully engaged.
    8. With the scan tool, erase DTCs.
    9. Test drive or operate the vehicle in accordance with the when monitored and set conditions.
    10. With the scan tool, read DTCs.

      Did the DTC return?

      Yes 

      No 

      • The wiring or poor connection problem has been repaired.
      • Perform the ADCM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
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