Symptom:
P0340-CAMSHAFT POSITION SENSOR CIRCUIT
When Monitored and Set Condition:
P0340-CAMSHAFT POSITION SENSOR CIRCUIT
When Monitored: Engine cranking/running. Battery voltage greater than 10 volts.
Set Condition: At least 5 seconds or 2.5 engine revolutions have elapsed with crankshaft
position sensor signals present but no camshaft position sensor signal. One Trip Fault.
POSSIBLE CAUSES
INTERMITTENT CRANKSHAFT POSITION SENSOR SIGNAL
INTERMITTENT CAMSHAFT POSITION SENSOR SIGNAL
(K7) 5 VOLT SUPPLY CIRCUIT SHORTED TO GROUND
(K7) 5 VOLT SUPPLY CIRCUIT OPEN
(K7) 5 VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE
(K44) CMP SIGNAL CIRCUIT SHORTED GROUND
(K44) CMP SIGNAL CIRCUIT OPEN
(K44) CMP SIGNAL CIRCUIT SHORTED TO VOLTAGE
(K44) CMP SIGNAL SHORTED TO (K7) 5 VOLT SUPPLY CIRCUIT
(K4) SENSOR GROUND CIRCUIT OPEN
PCM - (K7) 5 VOLT SUPPLY
PCM - (K44) CMP SIGNAL
CAMSHAFT POSITION SENSOR
TEST ACTION APPLICABILITY
1 Start the engine.
With the DRBIIIt, read the CMP SYNC State.
Does the DRBIIIt display the CMP SYNC State IN SYNC?
All
Yes → Go To 2
No → Go To 4
144
DRIVEABILITY - NGC
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