P0340

Tests 1 - 2:

Tests 3 - 6:

Tests 7 - 12:

Tests 13 - 16:

SYMPTOM
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
- CMP signal circuit shorted to voltage
- Tone wheel/pulse ring damaged
- Sensor ground circuit open
- 5 volt supply circuit open
- Irregular lab scope pattern of CMP signal
- Wiring harness intermittent problem
- Stray signal from the Crankshaft Position Sensor
- CMP signal circuit open
- CMP signal circuit shorted to ground
- CMP signal circuit shorted to sensor ground circuit
- 5 volt supply circuit shorted to CMP signal circuit
- Camshaft Position Sensor
- Powertrain Control Module (CMP signal circuit)
- Powertrain Control Module (sensor ground circuit)