Diagnostic Test

DETERMINING IF DIAGNOSTIC TROUBLE CODE (DTC) IS CURRENT
NOTE:
Diagnose any related Powertrain DTCs before continuing.
1. With a scan tool, read and record DTCs.
2. Using the scan tool, clear DTCs.
3. Perform five ignition cycles, leaving the ignition switch on for a minimum of 90 seconds per cycle.
4. Using the scan tool, read DTCs.
  Does the DTC reset?
  
  Yes
  - Go To 3.
  No
  - Go To 2.
INTERMITTENT CONDITION
NOTE:
Check for any of the follow conditions:
- Poor wire to terminal connection
- Corroded terminals
- Backed out or loose terminals
- Broken wire internal to the insulation
- Dirty (partial) module ground
1. With the ignition on, wiggle the related wires.
2. Using a scan tool, read DTCs.
  Does the DTC reset?
  
  Yes
  - Repair the wiring as necessary.
  - Refer to STANDARD PROCEDURE and perform the WCM VERIFICATION TEST.
  No
  
  DTC is not active at this time. Test complete.
FUSED IGNITION SWITCH OUTPUT (RUN-START) CIRCUIT SHORTED TO BATTERY VOLTAGE
NOTE:
A dirty (partial) ground can cause abnormal conditions within a system. Make sure the module has a good ground before continuing.
1. Turn the ignition off.
2. Disconnect the WCM harness connector.
3. Using a 12-volt test light connected to ground, probe the Fused Ignition Switch Output (Run-Start) circuit in the WCM harness connector.
  Does the test light illuminate brightly?
  
  Yes
  - Repair the Fused Ignition Switch Output (Run-Start) circuit for a short to voltage.
  - Refer to STANDARD PROCEDURE and perform the WCM VERIFICATION TEST.
  No
  - Replace and program the Wireless Control Module in accordance with the Service Information.
  - Refer to STANDARD PROCEDURE and perform the WCM VERIFICATION TEST.