Contents

			Test results
1	COMPONENT CONCERNED	ELECTRICAL CONNECTIONS CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Connections on timing sensor and Powertrain Control Module	Check for loose electrical connections at the sensor and/or at the Powertrain Control Module.	Go to Step 2	Presence of loose electrical connections.	Restore the correct connections.
2	COMPONENT CONCERNED	TIMING SENSOR WIRING CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Wiring between timing sensor and Powertrain Control Module	Check for a short circuit to earth in the wiring from timing sensor to pin 36 of the Powertrain Control Module	Go to Step 3	Presence of short circuit to earth in the wiring	Restore the correct wiring insulation to earth
3	COMPONENT CONCERNED	TIMING SENSOR WIRING CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Wiring between timing sensor and Powertrain Control Module	Check for a short circuit to battery in the wiring from timing sensor to pin 36 of the Powertrain Control Module	Go to Step 4	Presence of short circuit to battery on wiring	Restore the correct wiring insulation to battery
4	COMPONENT CONCERNED	TIMING SENSOR WIRING CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Wiring between timing sensor and Powertrain Control Module	Check for an open circuit in the wiring from timing sensor to pin 36 of the Powertrain Control Module	Go to Step 5	Presence of open circuit in the wiring	Restore the correct continuity for the wiring
5	COMPONENT CONCERNED	TIMING CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Engine	Check that the timing is correct	Go to Step 6	Timing not correct.	Restore the correct timing
6	COMPONENT CONCERNED	SENSOR POSITION CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Timing sensor	Check that the sensor is correctly positioned	Go to Step 7	Sensor not in the correct position.	Place the sensor in the correct position.
7	COMPONENT CONCERNED	CHECK ON OPERATION OF TIMING SENSOR	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Timing sensor	Check that the timing sensor is working properly.	End of diagnosis	Timing sensor not working	Replace the timing sensor Op. 1056B50 ENGINE COOLANT TEMPERATURE SENSOR - R + R