Diagnostic Test

CHECK FOR AN ACTIVE DTC
1. Turn the ignition on.
2. With the scan tool, read the Body Control Module (BCM) DTCs and record on the repair order.
  Is the DTC active?
  
  Yes
  - Go To 2
  No
  - 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. If no problems are found, test complete.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
CHECK THE ACCESSORY DELAY 2 RELAY
1. Turn the ignition off.
2. Remove the Run/Acc 2 Relay from the Rear Power Distribution Center (PDC) and substitute it with a known good relay.
3. Turn the ignition on.
4. With the scan tool, read the BCM DTCs.
  Is the DTC active?
  
  Yes
  - Go To 3
  No
  - Replace the Run/Acc 2 Relay.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
CHECK THE BODY CONTROL MODULE (BCM)
1. Turn the ignition off.
2. Remove the Run/Acc 2 Relay from the Rear PDC.
3. Disconnect the BCM C5/E harness connector.
4. Check for continuity between ground and the (P307) Run/Acc Relay 2 Control circuit at the BCM C5/E harness connector.
  Is there continuity between ground and the (P307) Run/Acc Relay 2 Control circuit?
  
  Yes
  - Go To 4
  No
  - Replace the Body Control Module (BCM) in accordance with the Service Information. Refer to MODULE, BODY CONTROL (BCM), REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
CHECK THE (P307) ACCESSORY DELAY RELAY 2 CONTROL CIRCUIT FOR A SHORT TO GROUND
1. Disconnect the Rear PDC C2 harness connector.
2. Check for continuity between ground and the (P307) Run/Acc Relay 2 Control circuit at the BCM C5/E harness connector.
  Is there continuity between ground and the (P307) Run/Acc Relay 2 Control circuit?
  
  Yes
  - Repair the short to ground in the (P307) Run/Acc Relay 2 Control circuit.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Check the Rear PDC connectors for signs of water intrusion, corrosion, pushed out or bent terminals and correct pin tension. If no problems are found, replace the Rear Power Distribution Center (PDC) in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .