Diagnostic Test

DTC IS ACTIVE
1. Turn the ignition on.
2. With the scan tool, select View DTCs. Record DTC and Freeze Frame information.
3. Start the engine and allow it to reach 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:
  Review Freeze Frame information. Operate the vehicle under conditions similar to which the DTC was set.
4. With the scan tool, select View DTCs.
  Is the DTC Active at this time?
  
  Yes
  - Go To 2
  No
  - Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT CONDITION .

FUEL INJECTOR 4 CIRCUIT RESISTANCE

Turn the ignition off.
Disconnect the PCM C2 harness connector.
Remove the ASD Relay.
NOTE:
The resistance of the circuit will vary according to the temperature of the injector coil. Use the table below to determine the resistance range of the injector.

Measure the resistance of the Fuel Injector 4 circuit from the PCM C2 harness connector and the ASD Relay.

Fuel Injector Coil Resistance Based on Engine Temperature
Temperature	Resistance
-20°C (-4°F)	10 Ohms (+/-.6 Ohm)
20°C (68°F)	12 Ohms (+/-.6 Ohm)
60°C (140°F)	14 Ohms (+/-.6 Ohm)
100°C (212°F)	16 Ohms (+/-.6 Ohm)

Is the resistance of the injector within the specified range?

Yes

Go To 7

Go To 3

FUEL INJECTOR 4 WIRING AND CONNECTOR INSPECTION
1. Turn the ignition off.
2. Disconnect the Fuel Injector 4 harness connector and inspect the terminals for any condition that would result in a poor connection.
3. Using the wiring diagram/schematic as a guide, inspect the Fuel Injector 4 wiring and connector.
  - Look for any chafed, pierced, pinched or partially broken wires.
  - Look for broken, bent, pushed out or corroded terminals.
  - Verify that there is good pin to terminal contact in the Injector and Powertrain Control Module connectors.
  Were there any issues?
  
  Yes
  - Repair as necessary.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  No
  - Go To 4
(F342) ASD RELAY OUTPUT CIRCUIT OPEN OR HIGH RESISTANCE

Fig 1: Checking ASD Relay Output Circuit For Open Or High Resistance
Courtesy of CHRYSLER GROUP, LLC
1. Install the ASD Relay.
2. Connect the PCM C2 harness connector.
3. Turn the ignition on.
4. With the scan tool, actuate the Auto Shutdown (ASD) Relay Control State.
5. Using a 12-Volt test light connected to ground, check the (F342) ASD Relay Output circuit in the Fuel Injector 4 harness connector.
  NOTE:
  The test light should be illuminated and bright. Compare the brightness to that of a direct connection to the battery.
  
  Is the test light illuminated and bright?
  
  Yes
  - Go To 5
  No
  - Repair the excessive resistance or short to ground in the (F342) ASD Relay Output circuit.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
(K14) INJECTOR 4 CONTROL CIRCUIT OPEN OR HIGH RESISTANCE

Fig 2: Checking Injector 4 Control Circuit For Open Or High Resistance
Courtesy of CHRYSLER GROUP, LLC
1. Measure the resistance of the (K14) Injector 4 Control circuit between the Fuel Injector 4 harness connector and the PCM C2 harness connector.
  Is the resistance below 5.0 Ohms?
  
  Yes
  - Go To 6
  No
  - Repair the excessive resistance or open in the (K14) Injector 4 Control circuit.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
FUEL INJECTOR 4
1. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the Fuel Injector 4 and the Powertrain Control Module (PCM).
  - Look for any chafed, pierced, pinched or partially broken wires.
  - Look for broken, bent, pushed out or corroded terminals.
  - Perform any Technical Service Bulletins that may apply.
  - Verify that there is good pin to terminal contact in the Injector and Powertrain Control Module harness connectors.
  Were there any issues?
  
  Yes
  - Repair as necessary.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  No
  - Replace the Fuel Injector in accordance with the Service Information. Refer to INJECTOR(S), FUEL, REMOVAL .
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
(K14) INJECTOR 4 CONTROL CIRCUIT SHORTED TO GROUND

Fig 3: Checking Injector Control Circuit For Short To Ground
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off.
2. Disconnect the PCM C2 harness connector.
3. Measure the resistance between ground and the (K14) Injector 4 Control circuit in the Fuel Injector 4 harness connector.
  Is the resistance above 100 Ohms?
  
  Yes
  - Go To 8
  No
  - Repair the (K14) Injector 4 Control circuit for a short to ground.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
POWERTRAIN CONTROL MODULE (PCM)
1. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the Fuel Injector 4 and the Powertrain Control Module (PCM).
  - Look for any chafed, pierced, pinched or partially broken wires.
  - Look for broken, bent, pushed out or corroded terminals.
  - Perform any Technical Service Bulletins that may apply.
  - Verify that there is good pin to terminal contact in the Injector and Powertrain Control Module harness connectors.
  Were there any issues?
  
  Yes
  - Repair as necessary.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  No
  - Replace and program the Powertrain Control Module (PCM) in accordance with the Service Information. Refer to MODULE, POWERTRAIN CONTROL, REMOVAL .
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .