Diagnostic Test

CHARGING SYSTEM DTCS PRESENT
1. Turn the ignition on.
2. With the scan tool, read DTCs in the Powertrain Control Module (PCM).
  Are there any Charging System or related voltage DTCs present?
  
  Yes
  - Perform the appropriate diagnostic procedure. Refer to DTC INDEX .
  No
  - Go To 2
CHECK FOR AN ACTIVE DTC
1. With the scan tool, read DTCs and record DTCs on the repair order.
2. With the scan tool, erase the DTCs.
3. Start the Engine.
4. With the scan tool, read ADCM DTCs.
  Is the DTC 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
  - Go To 3
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.