Diagnostic Test

WARNING: This page is about a different car, the 2016 Dodge Journey and 2015 Dodge Journey. However, it is still accessible from the selected car via links, so may be relevant.

DTC IS ACTIVE
1. Start the engine and allow it to reach operating temperature. If the engine will not start, crank the engine for several seconds.
  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.
2. With the scan tool, select View DTCs.
  Is the status Active for this DTC?
  
  Yes
  - Go To 2
  No
  - Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT CONDITION .
(F855) 5 VOLT SUPPLY CIRCUIT VOLTAGE

Fig 1: Checking 5-Volt Supply Circuit For Short To Voltage
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off.
2. Disconnect the Camshaft 1/2 Position Sensor harness connector.
3. Turn the ignition on.
4. Measure the voltage of the (F855) 5 Volt Supply circuit in the Camshaft 1/2 Position Sensor harness connector.
  Is the voltage between 4.5 and 5.5 volts?
  
  Yes
  - Go To 3
  No
  - Go To 7
(K441) CMP 1/2 SIGNAL CIRCUIT VOLTAGE

Fig 2: Checking CMP 1/2 Signal Circuit Voltage
Courtesy of CHRYSLER GROUP, LLC
1. Measure the voltage of the (K441) CMP 1/2 Signal circuit in the Camshaft 1/2 Position Sensor harness connector.
  Is the voltage between 4.5 and 5.5 volts?
  
  Yes
  - Go To 4
  No
  - Go To 11
(K914) SENSOR GROUND CIRCUIT TEST

Fig 3: Checking CMP Sensor Ground Circuit
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off.
2. Using a 12-volt test light connected to 12 volts, check the (K914) Sensor Ground in the Camshaft 1/2 Position Sensor 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
  - Go To 15
(F855) 5 VOLT SUPPLY CIRCUIT SHORTED TO THE (K441) CMP 1/2 SIGNAL CIRCUIT

Fig 4: Checking 5-Volt Supply Circuit For Short To CMP 1/2 Signal Circuit
Courtesy of CHRYSLER GROUP, LLC
1. Measure the resistance between the (F855) 5 Volt Supply circuit and the (K441) CMP 1/2 Signal circuit in the Camshaft 1/2 Position Sensor harness connector.
  Is the resistance above 100 Ohms?
  
  Yes
  - Go To 6
  No
  - Repair the (F855) 5 Volt Supply circuit for a short to the (K441) CMP 1/2 Signal circuit.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
CAMSHAFT 1/1 POSITION SENSOR IRREGULAR SIGNAL

Fig 5: Checking CMP 1/1 Sensor For Irregular Signal
Courtesy of CHRYSLER GROUP, LLC
1. Connect the Camshaft 1/2 Position Sensor harness connector.
2. Using a lab scope and the back probing tool (special tool #6801, Terminal Probe), backprobe the (K44) CMP 1/1 Signal circuit in the Camshaft 1/1 Position Sensor harness connector.
3. Ignition on, engine not running.
4. Wiggle the related wire harness and lightly tap on the Camshaft 1/1 Position Sensor while monitoring the lab scope screen.
5. Start the engine.
6. Monitor the Camshaft 1/1 Position Sensor signal on the lab scope screen.
  Were any Camshaft 1/1 Position Sensor signals irregular or missing?
  
  Yes
  - Go To 16
  No
  - Go To 17
(F855) 5 VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE

Fig 6: Checking 5-Volt Supply Circuit For Short To Voltage
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off.
2. Disconnect the PCM C2 harness connector.
3. Turn the ignition on.
4. Measure the voltage of the (F855) 5 Volt Supply circuit in the Camshaft 1/2 Position Sensor harness connector.
  Is there any voltage present?
  
  Yes
  - Repair the (F855) 5 Volt Supply circuit for a short to voltage.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  No
  - Go To 8
(F855) 5 VOLT SUPPLY CIRCUIT SHORTED TO GROUND

Fig 7: Checking 5-Volt Supply Circuit For Short To Ground
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off.
2. Measure the resistance between ground and the (F855) 5 Volt Supply circuit in the Camshaft 1/2 Position Sensor harness connector.
  Is the resistance above 100 Ohms?
  
  Yes
  - Go To 9
  No
  - Repair the (F855) 5 Volt Supply circuit for a short to ground.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
(F855) 5 VOLT SUPPLY CIRCUIT SHORTED TO THE (K914) SENSOR GROUND CIRCUIT

Fig 8: Checking 5-Volt Supply Circuit For Short To Sensor Ground Circuit
Courtesy of CHRYSLER GROUP, LLC
1. Measure the resistance between the (F855) 5 Volt Supply circuit and the (K914) Sensor Ground circuit in the Camshaft 1/2 Position Sensor harness connector.
  Is the resistance above 100 Ohms?
  
  Yes
  - Go To 10
  No
  - Repair the (F855) 5 Volt Supply circuit for a short to the (K914) Sensor Ground circuit.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
(F855) 5 VOLT SUPPLY CIRCUIT OPEN OR HIGH RESISTANCE

Fig 9: Checking 5 Volt Supply Circuit For Open Or High Resistance
Courtesy of CHRYSLER GROUP, LLC
1. Measure the resistance of the (F855) 5 Volt Supply circuit between the Camshaft 1/2 Position Sensor harness connector and the Powertrain Control Module (PCM) harness connector.
  Is the resistance below 5.0 Ohms?
  
  Yes
  - Go To 18
  No
  - Repair the (F855) 5 Volt Supply circuit for an open circuit or high resistance.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
(K441) CMP 1/2 SIGNAL CIRCUIT SHORTED TO VOLTAGE

Fig 10: Checking CMP 1/2 Signal Circuit Voltage
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off.
2. Disconnect the PCM C2 harness connector.
3. Turn the ignition on.
4. Measure the voltage of the (K441) CMP 1/2 Signal circuit in the Camshaft 1/2 Position Sensor harness connector.
  Is there any voltage present?
  
  Yes
  - Repair the (K441) CMP 1/2 Signal circuit for a short to voltage.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  No
  - Go To 12
(K441) CMP 1/2 SIGNAL CIRCUIT SHORTED TO GROUND

Fig 11: Measuring Resistance Between Ground And CMP 1/2 Signal Circuit
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off.
2. Measure the resistance between ground and the (K441) CMP 1/2 Signal circuit in the Camshaft 1/2 Position Sensor harness connector.
  Is the resistance above 100 Ohms?
  
  Yes
  - Go To 13
  No
  - Repair the (K441) CMP 1/2 Signal circuit for a short to ground.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
(K441) CMP 1/2 SIGNAL CIRCUIT SHORTED TO THE (K914) SENSOR GROUND CIRCUIT

Fig 12: Checking CMP 1/2 Signal Circuit For Short To Sensor Ground Circuit
Courtesy of CHRYSLER GROUP, LLC
1. Measure the resistance between the (K441) CMP 1/2 Signal circuit and the (K914) Sensor Ground circuit in the Camshaft 1/2 Position Sensor harness connector.
  Is the resistance above 100 Ohms?
  
  Yes
  - Go To 14
  No
  - Repair the (K441) CMP 1/2 Signal circuit for a short to the (K914) Sensor Ground circuit.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
(K441) CMP 1/2 SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE

Fig 13: Checking CMP 1/2 Signal Circuit For Open Or High Resistance
Courtesy of CHRYSLER GROUP, LLC
1. Measure the resistance of the (K441) CMP 1/2 Signal circuit between the Camshaft 1/2 Position Sensor harness connector and the PCM C2 harness connector.
  Is the resistance below 5.0 Ohms?
  
  Yes
  - Go To 18
  No
  - Repair the (K441) CMP 1/2 Signal circuit for an open circuit or high resistance.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
(K914) SENSOR GROUND CIRCUIT OPEN OR HIGH RESISTANCE

Fig 14: Checking Sensor Ground Circuit For Open Or High Resistance
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off.
2. Disconnect the PCM C1 harness connector.
3. Measure the resistance of the (K914) Sensor Ground circuit between the Camshaft 1/2 Position Sensor harness connector and the PCM C1 harness connector.
  Is the resistance below 5.0 Ohms?
  
  Yes
  - Go To 18
  No
  - Repair the circuit for an (K914) Sensor Ground open circuit or high resistance.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
CAMSHAFT 1/1 POSITION SENSOR
1. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the Camshaft 1/1 Position Sensor 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.
4. Inspect the Camshaft 1/1 Position Sensor for conditions such as loose mounting screws, damage, or cracks.
5. If no other problems are found, remove the Camshaft 1/1 Position Sensor.
6. Inspect the Camshaft 1/1 Position Sensor and mounting area for any condition that would result in an incorrect signal, such as damage, foreign material, or excessive movement.
  Were any problems found?
  
  Yes
  - Repair as necessary.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  No
  - Replace the Camshaft 1/1 Position Sensor. Refer to SENSOR, CAMSHAFT POSITION, REMOVAL .
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
CAMSHAFT 1/2 POSITION SENSOR
1. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the Camshaft 1/2 Position Sensor 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.
4. Inspect the Camshaft 1/2 Position Sensor for conditions such as loose mounting screws, damage, or cracks.
5. If no other problems are found, remove the Camshaft 1/2 Position Sensor.
6. Inspect the Camshaft 1/2 Position Sensor and mounting area for any condition that would result in an incorrect signal, such as damage, foreign material, or excessive movement.
  Were any problems found?
  
  Yes
  - Repair as necessary.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  No
  - Replace the Camshaft 1/2 Position Sensor. Refer to SENSOR, CAMSHAFT POSITION, REMOVAL .
  - 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 Camshaft 1/2 Position Sensor 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.
4. Perform any Technical Service Bulletins that may apply.
  Were any problems found?
  
  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 .