Diagnostic Test

CHECK FOR AN INTERMITTENT CONDITION
1. Turn the ignition on.
2. With the scan tool, clear all DTCs.
3. With the scan tool, read DTCs.
  Does the scan tool display DTC: P0693-COOLING FAN 2 CONTROL CIRCUIT LOW?
  
  Yes
  - Go To 2
  No
  - Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
CHECK THE (K175) RAD FAN HIGH SPEED CONTROL CIRCUIT FOR AN OPEN IN THE HARNESS

Fig 1: Checking Rad Fan High Speed Control Circuit For An Open
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off.
2. Disconnect the TIPM C3 harness connector.
3. Disconnect the Radiator Cooling Fan Module harness connector.
4. Measure the resistance of the (K175) Rad Fan High Speed Control circuit between the TIPM C3 harness connector and Radiator Cooling Fan Module harness connector.
  Is the resistance below 5.0 Ohms?
  
  Yes
  - Go To 3
  No
  - Repair the open or excessive resistance in the (K175) Rad Fan High Speed Control circuit.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
CHECK THE (K175) RAD FAN HIGH SPEED CONTROL CIRCUIT FOR A SHORT TO GROUND IN THE HARNESS

Fig 2: Checking Rad Fan High Speed Control Circuit For A Short To Ground
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off.
2. Measure the resistance between ground and the (K175) Rad Fan High Speed Control circuit at the Radiator Cooling Fan Module harness connector.
  Is the resistance above 10k Ohms?
  
  Yes
  - Go To 4
  No
  - Repair the short to ground in the (K175) Rad Fan High Speed Control circuit.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
CHECK THE TIPM FOR CORRECT OPERATION

Fig 3: Checking TIPM For Correct Operation
Courtesy of CHRYSLER GROUP, LLC

NOTE:
Before continuing, check the TIPM harness connector terminals for corrosion, damage, or terminal push out. Repair as necessary.
1. Reconnect the TIPM C3 harness connector.
2. Turn the ignition on.
3. Using a 12-volt test light connected to 12-volts, check the (K175) Rad Fan High Speed Control circuit.
4. With the scan tool, actuate the Radiator Fan 2 actuator using the On and Off commands.
  Does the test light dimly blink on and off while Radiator Fan 2 is commanded on?
  
  Yes
  - Replace the Cooling Fan Module in accordance with the Service Information.
  - 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 .