P0340

Test 1 - 2:

Test 3 - 8:

Test 9 - 13:

Test 14 - 15:

SYMPTOM
P0340-NO CAM REFERENCE 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 CMP signal with lab scope
- Crank position sensor signal
- (K7) 5 volt supply circuit shorted to voltage
- (K7) 5 volt supply circuit open
- (K7) 5 volt supply circuit shorted to ground
- (K44) CMP sensor signal circuit shorted to voltage
- (K44) CMP sensor signal circuit open
- (K44) CMP sensor signal circuit shorted ground
- (K44) CMP sensor signal shorted to (K7) 5 volt supply circuit
- (K4) sensor ground circuit open
- Camshaft position sensor
- PCM