Diagnostic Test

WARNING: This page is about a different car, the 2009 Dodge Caliber. However, it is still accessible from the selected car via links, so may be relevant.

ACTIVE DTC
1. Start the engine and allow it to reach normal operating temperature.
  WARNING: When the engine is operating, do not stand in direct line with the fan. Do not put your hands near the pulleys, belts or fan. Do not wear loose clothing. Failure to follow these instructions may result in possible serious or fatal injury.
  
  NOTE: It may be necessary to test drive the vehicle in order for this DTC to set.
2. With a scan tool, select View DTCs.
  Is the DTC Active at this time?
  
  Yes
  - Go to step 2
  No
  - Perform the CHECKING FOR AN INTERMITTENT DTC diagnostic procedure. Refer to DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .
MED/HIGH RAD FAN RELAY
1. Turn the ignition off.
2. Verify the Med/High Rad Fan Relay is installed properly and that the terminals are making a tight fit.
3. Remove the Med/High Rad Fan Relay and substitute it with a known good Relay.
4. Ignition on, engine not running.
5. With a scan tool, actuate the Radiator Fan 2 Control.
  Is the Cooling Fan operating?
  
  Yes
  - Replace the Med/High Rad Fan Relay.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
  No
  - Go to step 3
MED/HIGH RAD FAN RELAY

Fig 1: Checking Radiator Fan Relay Control Circuit
Courtesy of CHRYSLER LLC
1. Turn the ignition on, engine not running.
2. With a scan tool, select Radiator Fan 2 Control State, Toggle, to actuate the Cooling Fan (Med/High Rad Fan Relay).
3. 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. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
  No
  - Go to step 4
SERIES/PARALLEL RAD FAN RELAY

Fig 2: Checking Radiator Fan Relay Control Circuit
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Remove the Series/Parallel Rad Fan Relay.
3. Install the Med/High Rad Fan Relay.
4. Turn the ignition on, engine not running.
5. With a scan tool, select Radiator Fan 2 Control State, Toggle, to actuate the Cooling Fan (Series/Parallel Rad Fan Relay).
6. 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. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
  No
  - Go to step 5
(N112) RAD FAN RELAY CONTROL CIRCUIT SHORTED TO BATTERY VOLTAGE

Fig 3: Checking Radiator Fan Relay Control Circuit
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Disconnect the TIPM C11 harness connector.
3. Turn the ignition on, engine not running.
4. 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. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
  No
  - Go to step 6
(N112) RAD FAN RELAY CONTROL CIRCUIT OPEN OR HIGH RESISTANCE
1. Turn the ignition off.
2. 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.
3. Measure the resistance of the (N112) Rad Fan Relay Control circuit from the Series/Parallel Rad Fan Relay harness connector to the TIPM C11 harness connector.
  Is the resistance below 5.0 Ohms?
  
  Yes
  - Go to step 7
  No
  - Repair the open or high resistance in the (N112) Rad Fan Relay Control circuit.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
TOTALLY INTEGRATED POWER MODULE (TIPM)
1. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the Cooling Fan Module, TIPM, and the Powertrain Control Module (PCM).
2. Look for any chafed, pierced, pinched, or partially broken wires.
3. Look for broken, bent, pushed out or corroded terminals. Verify that there is good pin to terminal contact in the Cooling Fan Module, TIPM, and Powertrain Control Module connectors.
4. Perform any Technical Service Bulletins that may apply.
  Were there any problems found?
  
  Yes
  - Repair as necessary.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
  No
  - Replace the Totally Integrated Power Module in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .