Diagnostic Test

WARNING: This page is about a different car, the 2012 RAM Pickup and 2012 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

ACTIVE DTC
1. Turn the ignition on.
2. With the scan tool, clear all DTC's.
3. With the scan tool, actuate Radiator Fan 2.
4. With the scan tool, read DTC's.
  Does the scan tool display DTC: P0694-COOLING FAN 2 CONTROL CIRCUIT HIGH?
  
  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 BODY VERIFICATION TEST .
RADIATOR FAN HIGH RELAY
1. Turn the ignition off.
2. Remove the Radiator Fan High Relay and substitute it with a known good relay.
3. Turn the ignition on.
4. With the scan tool, clear all DTC's.
5. Turn the ignition off.
6. Turn the ignition on.
7. With the scan tool, actuate Radiator Fan 2.
8. With the scan tool, read DTC's.
  Does the scan tool display DTC: P0694-COOLING FAN 2 CONTROL CIRCUIT HIGH?
  
  Yes
  - Go To 3.
  No
  - Replace the Radiator Fan High Relay.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
CHECK THE (K175) RAD FAN HIGH SPEED CONTROL CIRCUIT FOR A SHORT TO VOLTAGE

Fig 1: Checking Rad Fan High Speed Control Circuit For A Short To Voltage
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off.
2. Disconnect the TIPM C3 harness connector.
3. Remove the Radiator Fan High Relay.
4. Turn the ignition on.
5. Measure the voltage between ground and the (K175) Rad Fan High Speed Control circuit.
  Is there any voltage present?
  
  Yes
  - Repair the short to voltage in the (K175) Rad Fan High Speed Control circuit.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go To 4.
TOTALLY INTEGRATED POWER MODULE (TIPM)
NOTE:
Before continuing, check the TIPM harness connector terminals for corrosion, damage, or terminal push out. Repair as necessary.
1. Using the schematics as a guide, inspect the wire harness and connectors.
  Pay particular attention to all Power and Ground circuits.
  
  Were there any problems found?
  
  Yes
  - Repair as necessary.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Replace the TIPM in accordance with the Service Information. Refer to MODULE, TOTALLY INTEGRATED POWER (TIPM), REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .