23 · Diagnostics

P0340 - timing sensor (signal plausibility)

Make: Alfa Romeo
Model: Brera and Spider Factory Service Manual
Year: 2005–2010
Section: Examiner - diesel electronic management › P0340 - timing sensor (signal plausibility)

Fault diagnosisP0340 - timing sensor (signal plausibility)

P0340 - TIMING SENSOR (SIGNAL PLAUSIBILITY)

2.4 JTD 20v

The diagnostic equipment signals: Error P0340 (Timing sensor), with detail "signal plausibility"

This error is detected if the engine is running and the control unit cannot synchronize the camshaft signal.

1	Engine speed check	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the engine speed is correct by carrying out the See Test 1060GI ENGINE SPEED CHECK	Move on to Step 2
2	Check on correct engine timing	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the engine timing is correct Op. 0510A20 TIMING GEAR WITH BELT DRIVE - CHECK - CARRY OUT OPERATION WITH CAM COVER(S) REMOVED AND TAPPETS ADJUSTED AND CRANKSHAFT PULLEY DETACHED (IF NECESSARY)	Move on to Step 3	Timing not correct	Restore the correct engine timing Op. 1032B10 TOOTHED TIMING BELT - R + R FOR TIMING ADJUSTMENT OR REPLACEMENT
3	Timing sensor check	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check correct operation of the timing sensor by carrying out the See Test 5510CG CHECK TIMING SENSOR OPERATION	End of diagnosis

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