Diagnostic Test

CHECK FOR AN ACTIVE DTC
1. With the scan tool, read ADCM DTCs and record 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
  - Go To 2
  No
  - Go To 4
(F930) FUSED IGNITION SWITCH OUTPUT (RUN-START) CIRCUITS FOR AN OPEN OR HIGH RESISTANCE
1. Turn the ignition off.
2. Disconnect the ADCM C2 harness connector.
3. Turn the ignition on.
4. With a 12-volt test light connected to ground, check the (F930) Fused Ignition Switch Output (RUN/START) circuits in the ADCM C2 harness connector.
  NOTE:
  The test light must illuminate brightly. Compare the brightness to that of a direct connection to the battery.
  
  Does the test light illuminate brightly?
  
  Yes
  - Go To 3
  No
  - Repair the (F930) Fused Ignition Switch Output (RUN/START) circuits for an open circuit or high resistance.
  - Perform the ADCM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
(Z922) GROUND CIRCUIT FOR AN OPEN OR HIGH RESISTANCE
1. Turn the ignition off.
2. With a 12-volt test light connected to (B+) check (Z922) Ground circuit in the ADCM C2 harness connector.
  NOTE:
  The test light must illuminate brightly. Compare the brightness to that of a direct connection to the battery.
  
  Does the test light illuminate brightly?
  
  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
  - Repair the (Z922) Ground circuit for an open circuit or high resistance.
  - Perform the ADCM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
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. 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.