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Symptom List:
P0340-CMP/CKP POSITION SENSOR CIRCUIT - SIGNAL FRE-
QUENCY TOO HIGH
P0340-CMP/CKP POSITION SENSOR CIRCUIT - STATIC PLAUSI-
BILITY
Test Note: All symptoms listed above are diagnosed using the same tests.
The title for the tests will be P0340-CMP/CKP POSITION
SENSOR CIRCUIT - SIGNAL FREQUENCY TOO HIGH.
When Monitored and Set Condition:
P0340-CMP/CKP POSITION SENSOR CIRCUIT - SIGNAL FREQUENCY TOO
HIGH
When Monitored: With the engine running.
Set Condition: The ECM detects that engine speed is greater than 10,000 RPM.
P0340-CMP/CKP POSITION SENSOR CIRCUIT - STATIC PLAUSIBILITY
When Monitored: With the engine running.
Set Condition: The ECM detects the Camshaft Sensor Signal is missing while the engine
is running.
CHECKING FOR DAMAGE
ECM
SENSOR GROUND CIRCUIT OPEN
INTERMITTENT CONDITION
VERIFY ASD RELAY OUTPUT
CMP SENSOR SIGNAL CIRCUIT OPEN
CMP SENSOR SIGNAL CIRCUIT SHORTED TO GROUND
ECM SENSOR GROUND CIRCUIT OPEN
VERIFY CMP SENSOR OPERATION DURING CRANKING CRANK
CMP SENSOR SIGNAL CIRCUIT SHORTED TO THE SENSOR GROUND CIRCUIT
CMP SENSOR CIRCUIT SHORTED TO VOLTAGE
POSSIBLE CAUSES
77
DRIVEABILITY - DIESEL
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