Diagnostic Test

WARNING: This page is about a different car, the 2014 Dodge Journey. However, it is still accessible from the selected car via links, so may be relevant.

RADIATOR COOLING FAN MODULE OPERATION
1. Ignition on, engine not running.
2. With a scan tool, select Radiator Cooling Fan Relay #1 Control State to actuate the Cooling Fan (Low/High).
  Is the one Cooling Fan operating?
  
  Yes
  - Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT CONDITION .
  No
  - Go To 2
(N201) LOW/HIGH RAD FAN CONTROL CIRCUIT
1. Turn the ignition on, engine not running.
2. With a scan tool, select Radiator Cooling Fan Relay 1 Control State, Toggle, to actuate the Cooling Fan (Low/High).
3. Using a 12-volt test light connected to battery voltage, probe the (N201) Low/High Rad Fan Control circuit in the Low/High Rad Relay terminal.
  Does the test light illuminate brightly and flash on and off during the actuation?
  
  Yes
  - Replace the Low/High Rad Fan Relay.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  No
  - Go To 3
(N201) LOW/HIGH RAD FAN CONTROL CIRCUIT OPEN
1. Measure the resistance of the (N201) Low/High Rad Fan Control circuit from the PCM C1 harness connector to the Power Distribution Center (PDC) C3 harness connector.
  Is the resistance below 5.0 Ohms?
  
  Yes
  - Go To 4
  No
  - Repair the open in the (N201) Low/High Rad Fan Control circuit.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
(N201) LOW/HIGH RAD FAN CONTROL CIRCUIT SHORTED TO GROUND

Fig 1: Checking Low & High Rad Fan Control Circuit For Short To Ground
Courtesy of CHRYSLER GROUP, LLC
1. Measure the resistance between ground and the (N201) Low/High Rad Fan Control circuit in the PCM C1 harness connector.
  Is the resistance below 100 Ohms?
  
  Yes
  - Repair the short to ground in the (N201) Low/High Rad Fan Control circuit.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  No
  - Replace the Powertrain Control Module (PCM) in accordance with the Service Information. Refer to MODULE, POWERTRAIN CONTROL, REMOVAL .
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .