Diagnostic Test

WARNING: This page is about a different car, the 2012 RAM Pickup and 2012 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

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 DTC's to set.

NOTE:
Diagnose any related Powertrain DTC(s) before continuing.
1. Turn the ignition on.
2. With the scan tool, read TIPM DTC(s).
  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 AT THE TIPM

Fig 1: Measure Voltage AT TIPM
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off.
2. Disconnect the TIPM C7 harness connector.
3. Turn the ignition on.
4. Measure the voltage between ground and the (F20) Ignition Run/Start Control Output circuit.
  Is the voltage above 10.0 volts?
  
  Yes
  - Replace the Totally Integrated Power Module (TIPM) in accordance with the Service Information. Refer to MODULE, TOTALLY INTEGRATED POWER (TIPM), REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go To 3.
CHECK THE (F20) IGNITION RUN/START CONTROL OUTPUT CIRCUIT FOR A SHORT TO GROUND

Fig 2: Checking Ignition Run/Start Control Output Circuit For A Short To Ground
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off.
2. Disconnect the WIN harness connector.
3. Measure the resistance between ground and the (F20) Ignition Run/Start Control Output circuit.
  Is the resistance above 10k Ohms?
  
  Yes
  - Replace the WIN in accordance with the Service Information. Refer to RECEIVER, WIRELESS IGNITION NODE, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Repair the short to ground in the (F20) Ignition Run/Start Control Output circuit.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .