Contents

			Test results
1	COMPONENT CONCERNED	FAN RELAY AND POWERTRAIN CONTROL MODULE CONNECTION CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Powertrain Control Module and fan 1 relay connections	Check for the presence of loose connections on the solenoid valve relay and the Powertrain Control Module	Go to Step 2	Presence of loose connections	Restore the correct connections
2	COMPONENT CONCERNED	WIRING CHECK BETWEEN SOLENOID VALVE RELAY AND POWERTRAIN CONTROL MODULE	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Wiring between fan 1 relay and Powertrain Control Module	Check the continuity of the wiring between the fan relay and pin 39 of the Powertrain Control Module	Go to Step 3	Breaks in the wiring continuity	Restore the correct continuity of the wiring
3	COMPONENT CONCERNED	WIRING CHECK BETWEEN FAN RELAY AND POWERTRAIN CONTROL MODULE	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Wiring between fan 1 relay and Powertrain Control Module	Check for the presence of a short circuit to earth on the wiring between the fan relay and pin 39 of the Powertrain Control Module	Go to Step 4	Presence of a short circuit to earth on the wiring	Restore the correct wiring insulation to earth
4	COMPONENT CONCERNED	WIRING CHECK BETWEEN FAN RELAY AND POWERTRAIN CONTROL MODULE	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Wiring between fan 1 relay and Powertrain Control Module	Check for the presence of a short circuit to battery on the wiring between the fan relay and pin 39 of the Powertrain Control Module	End of diagnosis	Presence of a short circuit to battery on the wiring	Restore the correct wiring insulation to battery