Diagnostic Test

WARNING: This page is about a different car, the 2011 RAM Dakota. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FOR ACTIVE DTC
1. Turn the ignition on.
2. With the scan tool, read the active DTCs.
  Does the scan tool display this DTC as active?
  
  Yes
  - Go To 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. Refer to BODY VERIFICATION TEST .
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. With the scan tool, read the active FCM DTCs.
  Does the scan tool display this DTC as active?
  
  Yes
  - Go To 3.
  No
  - Replace the original Starter Relay.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
(F924) FUSED IGNITION SWITCH OUTPUT (START) CIRCUIT SHORTED TO VOLTAGE

Fig 1: Checking Fused Ignition Switch Output (Start) Circuit Shorted To Voltage
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Disconnect the IPM C2 harness connector.
3. Disconnect the FCM C1 harness connector.
4. Turn the ignition on.
5. Using a voltmeter, measure the voltage of the (F924) Fused Ignition Switch Output (Start) circuit and ground.
  Is voltage present?
  
  Yes
  - Repair the (F924) Fused Ignition Switch Output (Start) circuit for a short to voltage.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Replace the FCM in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .