Diagnostic Test
WARNING: This page is about a different car, the 2010 Dodge Charger and 2010 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
- 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.
- Turn the ignition on.
- 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 step 2
- FUSED B(+) CIRCUITS
- Turn the ignition off.
- Remove the Radiator Fan Control Relay.
- Using a 12-volt test light connected to ground, check the Fused B(+) circuits.
Is the test light illuminated and bright?
Yes
- Go to step 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
- Turn the ignition on, engine not running.
- Using a scan tool, actuate the Radiator Cooling Fan Relay #1 Control State.
- 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 .