Chrysler 300M 2002 Service Manual page 2561

DRIVEABILITY - NGC
Symptom:
P0339-CRANKSHAFT POSITION SENSOR INTERMITTENT
When Monitored and Set Condition:
P0339-CRANKSHAFT POSITION SENSOR INTERMITTENT
When Monitored: Engine running or Cranking.
Set Condition: When the failure counter reaches 20. One Trip Fault.
WIRING HARNESS INSPECTION
5 VOLT SUPPLY CIRCUIT OPEN OR SHORTED TO GROUND
TONE WHEEL/PULSE RING INSPECTION
CHECKING CAMSHAFT POSITION SENSOR SIGNAL WITH THE DRBIII LAB
CRANKSHAFT POSITION SENSOR
SIGNAL CIRCUIT OPEN
SIGNAL CIRCUIT SHORT TO GROUND
SIGNAL CIRCUIT SHORTED TO B+
SIGNAL CIRCUIT SHORT TO 5 VOLTS
INTERMITTENT CONDITION
PCM
TEST
1 Ignition on, engine not running.
With the DRBIII , read DTCs and record the related Freeze Frame data.
Is the Good Trip Counter displayed and equal to zero?
Yes → Go To 2
→ Go To 13
No
2 With the DRBIII , read and record Freeze Frame Data specific to the CKP signal,
ECT, RPM, Sync state, vehicle speed, etc.)
Turn the ignition off.
With the DRBIII lab scope probe and the Miller special tool #6801, backprobe the
CKP Signal circuit at the Sensor harness connector.
WARNING: WHEN THE ENGINE IS OPERATING, DO NOT STAND IN A
DIRECT LINE WITH THE FAN. DO NOT PUT YOUR HANDS NEAR THE
PULLEYS, BELTS OR FAN. DO NOT WEAR LOOSE CLOTHING.
Ignition on, engine not running.
Observe the lab scope screen.
Start the engine.
Observe the lab scope screen.
Are there any irregular or missing signals?
Yes → Go To 3
→ Go To 8
No
POSSIBLE CAUSES
ACTION
132
APPLICABILITY
All
All