Dodge Caliber. Manual - part 752
•
When Monitored:
With the engine cranking.
•
Set Condition:
The PCM receives either no signal or an incorrect signal from the Crankshaft Position Sensor.
Possible Causes
INTERMITTENT DTC
(F855) 5 VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE
(K24) CKP SIGNAL CIRCUIT SHORTED TO VOLTAGE
(F855) 5 VOLT SUPPLY CIRCUIT SHORTED TO GROUND
(K24) CKP SIGNAL CIRCUIT SHORTED TO GROUND
(F855) 5 VOLT SUPPLY CIRCUIT SHORTED TO THE (K24) CKP SIGNAL CIRCUIT
(F855) 5 VOLT SUPPLY CIRCUIT SHORTED TO THE (K900) SENSOR GROUND CIRCUIT
(K24) CKP SIGNAL CIRCUIT SHORTED TO THE (K900) SENSOR GROUND CIRCUIT
(F855) 5 VOLT SUPPLY CIRCUIT OPEN OR HIGH RESISTANCE
(K24) CKP SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE
(K900) SENSOR GROUND CIRCUIT OPEN OR HIGH RESISTANCE
CRANKSHAFT POSITION SENSOR
POWERTRAIN CONTROL MODULE (PCM)
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 9 - ENGINE -
DIAGNOSIS AND TESTING)
Diagnostic Test
1.
DTC IS ACTIVE
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 can result in
personal injury or death.
With the scan tool, select View DTCs.
Is the status Active for this DTC?
Yes
>> Go to 2
No
>> Refer to the *CHECKING FOR AN INTERMITTENT DTC Diagnostic Procedure. (Refer to 9 - ENGINE -
DIAGNOSIS AND TESTING)
2.
(F855) 5 VOLT SUPPLY CIRCUIT VOLTAGE
Turn the ignition off.
Disconnect the Crankshaft Position Sensor connector.
Turn the ignition on.
Measure the voltage of the (F855) 5 Volt Supply circuit in the Crank-
shaft Position Sensor harness connector.
Is the voltage between 4.5 and 5.5 volts?
Yes
>> Go to 3
No
>> Go to 7
PM
ENGINE ELECTRICAL DIAGNOSTICS - GPEC
9 - 295