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Symptom: P0344-CAMSHAFT POSITION SENSOR INTERMITTENT When Monitored and Set Condition: P0344-CAMSHAFT POSITION SENSOR INTERMITTENT When Monitored: Engine running or Cranking. Set Condition: When the failure counter reaches 20. One Trip Fault. POSSIBLE CAUSES GOOD TRIP EQUAL TO ZERO WIRING HARNESS INSPECTION (K7) 5 VOLT SUPPLY CIRCUIT OPEN OR SHORTED TO GROUND TONE WHEEL/PULSE RING INSPECTION CHECKING CKP SIGNAL WITH THE DRBIII t LAB CAMSHAFT POSITION SENSOR (K44) CMP SIGNAL CIRCUIT OPEN (K44) CMP SIGNAL CIRCUIT SHORT TO GROUND (K44) CMP SIGNAL CIRCUIT SHORTED TO B+ (K44) CMP SIGNAL CIRCUIT SHORT TO (K7) 5 VOLTS PCM TEST ACTION APPLICABILITY 1 Ignition on, engine not running. t, read DTCs and record the related Freeze Frame data. Is the Good Trip Counter displayed and equal to zero? All Yes → Go To 2 No → Refer to the INTERMITTENT CONDITION symptom in the Driveability category. 2 Turn the ignition off. t lab scope probe and the Miller special tool #6801, backprobe the (K44) CMP Signal circuit in the CMP harness connector. All Yes → Go To 3 No → Go To 8 149 DRIVEABILITY - NGC |