Contents

		Test results
1	WIRING CHECK	All OK	Problems encountered	Operation
	Check the continuity of the signal between the tyre control unit and activator, and that the aerial is receiving the correct power supply	Move on to Step 2	1. Activator signal interrupted 2. Aerial power supply interrupted	1. Restore correct operation 2. Restore correct operation
2	AERIAL OPERATION CHECK	All OK	Problems encountered	Operation
	Check that the TPMS transmitting aerial is working properly See Test 4450BB TPMS SYSTEM TRANSMITTER AERIAL OPERATION CHECK	Move on to Step 3	Aerial not working properly	Replace the aerial
3	SENSOR OPERATION CHECK	All OK	Problems encountered	Operation
	Check that the wheel sensor is working properly, using tool n°2000027000	Move on to Step 4	Wheel sensor not working properly	Replace the wheel sensor Op. 4450B90 TYRE INFLATION PRESSURE SENSOR (ONE)
4	TPMS CONTROL UNIT OPERATION CHECK	All OK	Problems encountered	Operation
	Check that the TPMS control unit is working properly See Test 4450BA TPMS CONTROL UNIT OPERATION CHECK	End of diagnosis	TPMS control unit not working properly	Replace the TPMS control unit Op. 4450B91 TPMS SYSTEM CONTROL UNIT R R