Contents

			Test results
1	COMPONENT CONCERNED	PROXY ALIGNMENT CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Body computer	Connect the diagnosis equipment to the car and check that "winter mode" is not present in the TPMS control unit (for countries where provided) and that winter tyres and rims are not fitted on the car. Check that the TPMS fault warning light on the instrument panel is not on constantly	End of diagnosis	Warning light on constantly	Go to Step 2
2	COMPONENT CONCERNED	CHECK USING DIAGNOSIS EQUIPMENT	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Wheel sensors	Connect the diagnosis equipment to the car and check that errors C1001, C1002, C1003, & C1004 are not also present	Go to Step 3	Presence of errors C1001, C1002, C1003 & C1004	Continue as instructed by the diagnosis equipment
3	COMPONENT CONCERNED	CONTROL UNIT POWER SUPPLY CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	TPMS control unit	Check that the power supply for the TPMS control unit is correct	Go to Step 4	Power supply not correct	Restore correct operation
4	COMPONENT CONCERNED	OPERATION CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	TPMS control unit	Check that the TPMS control unit is operating correctly	End of diagnosis	Incorrect operation	Replace the TPMS control unit Op. 4450B91 TPMS SYSTEM CONTROL UNIT R R