Diagnostic Test

RADIATOR FAN CONTROL RELAY OPERATION
NOTE: When actuating the radiator fan relays, the radiator fan(s) may have a delay in operation and ramp up slowly.
1. Turn the ignition on.
2. Using a scan tool, select Radiator Cooling Fan Relay #1 Control State to actuate the Radiator Fan Control Relay.
  Is the Radiator Cooling Fan Relay operating?
  
  Yes
  - Refer to CHECKING FOR AN INTERMITTENT DTC Diagnostic Procedure. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .
  No
  - Go To 2
FUSED B(+) CIRCUITS

Fig 1: Using 12-Volt Test Light Connected To Ground To Check Fused B(+) Circuits
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Remove the Radiator Fan Control Relay.
3. Using a 12-volt test light connected to ground, check the Fused B(+) circuits.
  Is the test light illuminated and bright?
  
  Yes
  - Go To 3
  No
  - Repair the open or short to ground in the Fused B(+) circuits. Inspect the related fuse and repair as necessary.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure
(N24) RADIATOR FAN CONTROL RELAY OUTPUT CIRCUIT

Fig 2: Using 12 Volt Test Light Connected To Battery Voltage To Check Radiator Control Relay Output Circuit
Courtesy of CHRYSLER LLC
1. Turn the ignition on, engine not running.
2. Using a scan tool, actuate the Radiator Cooling Fan Relay #1 Control State.
3. Using a 12 Volt test light connected to battery voltage, check the (N24) Radiator Control Relay Output circuit.
  Does the test light illuminate with the actuation?
  
  Yes
  - Replace the Radiator Fan Control Relay.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure
  No
  - Replace the TIPM in accordance with the Service information.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure