Diagnostic Test
WARNING: This page is about a different car, the 2013 Dodge Avenger and 2013 Chrysler 200. However, it is still accessible from the selected car via links, so may be relevant.
- RADIATOR COOLING FAN MODULE OPERATION
- Ignition on, engine not running.
- With a scan tool, actuate both the Radiator Cooling Fan Relays #1 and #2.
Are both cooling fan operating at medium speed?
Yes
- Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to STANDARD PROCEDURE .
No
- Go To 2
- (A16) FUSED B+ CIRCUIT Fig 1: Using 12-Volt Test Light Connected To Ground To Probe Fused B+ Circuit At Both Med/High Rad Fan Relay & Series/Parallel Rad Fan Relay Connectors
Courtesy of CHRYSLER GROUP, LLC
- Ignition on.
- Disconnect the Med/High Rad Fan Relay from the Fuse/Relay Block.
- Disconnect the Series/Parallel Rad Fan Relay from the Fuse/Relay Block.
- Using a 12-volt test light connected to ground, probe the (A16) Fused B+ circuit at both the Med/High Rad Fan Relay and the Series/Parallel Rad Fan Relay connectors.
Does the test light illuminate brightly at each terminal?
Yes
- Go To 3
No
- Repair the (A16) Fused B+ circuit. Inspect the related fuse and repair as necessary.
- Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
- MED/HIGH RAD FAN RELAY Fig 2: Using 12-Volt Test Light Connected To Battery Voltage To Probe Rad Fan Relay Control Circuit At Med/High Rad Fan Relay
Courtesy of CHRYSLER GROUP, LLC
- Install the Series/Parallel Rad Fan Relay.
- Turn the ignition on, engine not running.
- With a scan tool, select Radiator Cooling Fan Relay 2 Control State, Toggle, to actuate the Cooling Fan (Med/High Rad Fan Relay).
- Using a 12-volt test light connected to battery voltage, probe the (N112) Rad Fan Relay Control circuit at the Med/High Rad Fan Relay.
Does the test light illuminate brightly and flash on and off?
Yes
- Replace the Med/High Rad Fan Relay.
- Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
No
- Go To 4
- SERIES/PARALLEL RAD FAN RELAY) Fig 3: Using 12-Volt Test Light Connected To Battery Voltage To Probe Rad Fan Relay Control Circuit At Series/Parallel Rad Fan Relay
Courtesy of CHRYSLER GROUP, LLC
- Remove the Series/Parallel Rad Fan Relay.
- Install the Med/High Rad Fan Relay.
- Turn the ignition on, engine not running.
- With a scan tool, select Radiator Cooling Fan Relay 2 Control State, Toggle, to actuate the Cooling Fan (Series/Parallel Rad Fan Relay).
- Using a 12-volt test light connected to battery voltage, probe the (N112) Rad Fan Relay Control circuit at the Series/Parallel Rad Fan Relay.
Does the test light illuminate brightly and flash on and off?
Yes
- Replace the Series/Parallel Rad Fan Relay.
- Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
No
- Go To 5
- (N112) RAD FAN RELAY CONTROL CIRCUIT SHORTED TO BATTERY VOLTAGE Fig 4: Measuring Voltage Of Rad Fan Relay Control Circuit In Med/High Rad Fan Relay Harness Connector
Courtesy of CHRYSLER GROUP, LLC
- Disconnect the TIPM C11 harness connector.
- Using a voltmeter, measure the voltage of the (N112) Rad Fan Relay Control circuit in the Med/High Rad Fan Relay harness connector.
Is there voltage present?
Yes
- Repair the short to voltage in the (N112) Rad Fan Relay Control circuit.
- Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
No
- Go To 6
- (N112) RAD FAN RELAY CONTROL CIRCUIT OPEN Fig 5: Measuring Resistance Of Rad Fan Relay Control Circuit From Med/High Rad Fan Relay Harness Connector To TIPM C11 Harness Connector
Courtesy of CHRYSLER GROUP, LLC
- Measure the resistance of the (N112) Rad Fan Relay Control circuit from the Med/High Rad Fan Relay harness connector to the TIPM C11 harness connector.
Is the resistance below 5.0 Ohms?
Yes
- Go To 7
No
- Repair the open in the (N112) Rad Fan Relay Control circuit.
- Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
- Measure the resistance of the (N112) Rad Fan Relay Control circuit from the Med/High Rad Fan Relay harness connector to the TIPM C11 harness connector.
- (N112) RAD FAN RELAY CONTROL CIRCUIT SHORTED TO GROUND Fig 6: Measuring Resistance Between Ground Rad Fan Relay Control Circuit In TIPM C11 Harness Connector
Courtesy of CHRYSLER GROUP, LLC
- Measure the resistance between ground and the (N112) Rad Fan Relay Control circuit in the TIPM C11 harness connector.
Is the resistance below 100 Ohms?
Yes
- Repair the short to ground in the (N112) Rad Fan Relay Control circuit.
- Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
No
- Replace the Totally Integrated Power Module in accordance with the Service Information.
- Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
- Measure the resistance between ground and the (N112) Rad Fan Relay Control circuit in the TIPM C11 harness connector.