P0340

DTC P0340
Camshaft sensor fault/Valve timing error Drive cycle A:Signal implausible.

Possible causes by suggested order of priority:
- Camshaft sensor fault.
- Open circuit - C636/20 (SU) to C176/2 (SU).
- Open circuit - C636/17 (B) to C176/1 (B).
- Voltage incorrect C176/3 (NK) to C176/1 (B).
- Connector C176.
- Crankshaft sensor problem.

Camshaft sensor fault.
CHECK THE FOLLOWING:
- Inspect camshaft sensor for evidence of damage.
- Check camshaft sensor by substitution with a known good unit.
POSSIBLE FAULTS
- Faulty camshaft sensor.

Open circuit - C636/20 (SU) to C176/2 (SU).
- Check resistance > 1M Ohm

Open circuit - C636/17 (B) to C176/1 (B).
- Check resistance > 1M Ohm

Voltage incorrect C176/3 (NK) to C176/1 (B).
- Voltage incorrect C176/3 (NK) to C176/1 (B).
Between 11.5V and 15.0V.
DIAGNOSTIC HINTS
- If the voltage is not present check F2 Engine Compartment Fusebox and open circuit C176/3 (NK) to C570/1 (NK).

Connector C176.
- Check for connector not correctly latched, backed out pins, damaged pins, corroded pins

Crankshaft sensor problem.
CHECK THE FOLLOWING:
- Crankshaft tooth or reference mark fault flag is set.
POSSIBLE FAULTS
- Faulty crankshaft sensor.