Diagnostic Test

WARNING: This page is about a different variant/trim than selected.

CHECK FOR ACTIVE DTC
NOTE:
Check to make sure the battery and charging system are operating properly. Battery and/or charging system problems may cause these DTCs to set.

NOTE:
Diagnose any related Powertrain DTC(s) before continuing.
1. Turn the ignition on.
2. With the scan tool, read DTCs.
  Does the scan tool display this DTC as active?
  
  Yes
  - Go To 2
  No
  - Test complete. The condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals and correct pin tension.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
CHECK THE (F20) IGNITION RUN-START CONTROL OUTPUT CIRCUIT FOR VOLTAGE
1. Turn the ignition off.
2. Disconnect the BCM C8 harness connector.
3. Turn the ignition to the ACC position.
4. Measure the voltage of the (F20) Ignition Run-Start Control Output circuit.
  Is there any voltage present?
  
  Yes
  - Go To 3
  No
  - Replace the BCM in accordance with the Service Information. Refer to MODULE, BODY CONTROL, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
CHECK THE (F20) IGNITION RUN-START CONTROL OUTPUT CIRCUIT FOR A SHORT TO VOLTAGE
1. Turn the ignition off.
2. Disconnect the Ignition Switch C2 harness connector.
3. Turn the ignition to the ACC position.
4. Measure the voltage of the (F20) Ignition Run-Start Control Output circuit.
  Is there any voltage present?
  
  Yes
  - Repair the short to voltage in the (F20) Ignition Run-Start Control Output circuit.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Replace the Ignition Switch in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .