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Symptom: P0340-NO CAM SIGNAL AT PCM When Monitored and Set Condition: P0340-NO CAM SIGNAL AT PCM When Monitored: Engine cranking/running. Set Condition: At least 5 seconds have elapsed with crankshaft position sensor signals present but no camshaft position sensor signal. POSSIBLE CAUSES CHECKING INTERMITTENT CKP SIGNAL WITH LAB CHECKING INTERMITTENT CMP SIGNAL WITH LAB CHECKING INTERMITTENT WIRING WITH LAB SCOPE INTERMITTENT CONDITION 5 VOLT SUPPLY CIRCUIT SHORTED TO GROUND 5 VOLT SUPPLY CIRCUIT OPEN 5 VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE CMP SENSOR SIGNAL CIRCUIT SHORTED GROUND CMP SENSOR SIGNAL CIRCUIT OPEN CMP SENSOR SIGNAL CIRCUIT SHORTED TO VOLTAGE CMP SENSOR SIGNAL SHORTED TO 5 VOLT SUPPLY CIRCUIT SENSOR GROUND CIRCUIT OPEN PCM - 5 VOLT SUPPLY PCM - CMP SENSOR SIGNAL CAMSHAFT POSITION SENSOR TEST ACTION APPLICABILITY 1 With the DRBIII t, read the Current CMP State while cranking the engine. Does the DRBIII t display Current CMP State Present while cranking the engine? All Yes → No → 137 DRIVEABILITY - GAS |