Diagnostic Test

CHECK FOR AN ACTIVE DTC
1. Turn the ignition on.
2. With the scan tool, read ADCM 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
  - Go To 5
DAMPING VALVE SHOCK ASSEMBLY HARNESS CONNECTOR
NOTE:
Make sure the Damping Valve Shock Assembly harness connector is connected correctly.
1. Turn the ignition off.
2. Inspect the Damping Valve Shock Assembly 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
  - Repair as necessary.
  - Perform the ADCM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Go To 3
CHECK THE (S137) RIGHT REAR DAMPER VALVE (-) CIRCUIT FOR AN OPEN OR HIGH RESISTANCE
1. Disconnect the Right Rear Damping Valve Shock Assembly harness connector.
2. Disconnect the ADCM C2 harness connector.
3. Connect a jumper wire between Ground and the (S137) Right Rear Damper Valve (-) circuit in the Right Rear Damping Valve Shock Assembly harness connector.
4. Using a 12-volt test light connected to B+, check the (S137) Right Rear Damper Valve (-) circuit in the ADCM C2 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 (S137) Right Rear Damper Valve (-) circuit for an open or high resistance.
  - Perform the ADCM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
DAMPING VALVE SHOCK ASSEMBLY
1. Replace the Damping Valve Shock Assembly in accordance with the Service Information. Refer to SHOCK ABSORBER, SUSPENSION, REMOVAL .
2. Perform the ADCM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
3. Turn the ignition on.
4. With the scan tool, erase the DTCs.
5. Start the Engine.
6. With the scan tool, read ADCM DTCs.
  Does the DTC remain active?
  
  Yes
  - Replace the Active Damping Control Module (ADCM) in accordance with the Service Information. Refer to MODULE, ACTIVE DAMPING CONTROL (ADCM), REMOVAL .
  - Perform the ADCM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Test complete.
INTERMITTENT WIRING AND CONNECTORS
1. Using the wiring diagram/schematic as a guide, inspect the wiring harness and connectors.
2. Wiggle test the wiring harness and connectors while monitoring the scan tool data relative to this circuit.
3. Look for the data to change or for the DTC to reset during the wiggle test.
4. While monitoring the scan tool data relative to this circuit, move the selector switch to each position several times.
5. Look for the data to change other than as expected or for the DTC to reset.
  Were any problems found?
  
  Yes
  - Repair as necessary.
  - Perform the ADCM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Test complete, the condition or conditions that originally set this DTC are not present at this time.