Diagnostic Test

CHECK FOR ACTIVE DIAGNOSTIC TROUBLE CODE (DTC)
1. Turn the ignition on.
2. Using the scan tool, read the active DTCs.
  Does the scan tool display this DTC as active?
  
  Yes
  - Go to step 2
  No
  - If the DTC is stored, check for an intermittent condition. Visually inspect the related wiring harness connectors. Look for broken, bent, pushed out or corroded terminals.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure .
STARTER RELAY
1. Turn the ignition off.
2. Install a substitute relay in place of the original Starter Relay.
3. Cycle the ignition switch from off to on, leaving the ignition on for a minimum of 90 seconds.
4. Using the scan tool, read the active FCM DTCs.
  Does the scan tool display this DTC as active?
  
  Yes
  - Go to step 3
  No
  - Replace the original Starter Relay.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure .
(F924) FUSED IGNITION SWITCH OUTPUT (START) CIRCUIT SHORTED TO GROUND

Fig 1: Checking Fused Ignition Switch Output (Start) Circuit
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Remove the Starter Motor Relay.
3. Disconnect the FCM C1 harness connector.
4. Using an Ohmmeter, measure the resistance between the (F924) Fused Ignition Switch Output (Start) circuit and ground.
  Is the resistance below 5.0 Ohms?
  
  Yes
  - Repair the (F924) Fused Ignition Switch Output (Start) circuit for a short to ground.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure .
  No
  - Replace the FCM in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure .