312000649 - K073 SEAT BELT UNFASTENED WARNING LIGHT ON

The warning light remains on even when the driver''s seat belt is fastened. N.B: The seat belt not fastened warning light is turned on by a command sent via the B-CAN from the "Air Bag Node" to the Body Computer. The latter sends the signal, via the B-CAN, to the Instrument Panel Node.

		Test results
1	SWITCH CHECK	All OK	Problems encountered	Operation
	Check the correct operation of the seat belt unfastened warning light switch	Move on to Step 2	Switch not operating	Replace the lower branch of the belt    Op. 7065A14 ANCHORAGE ROD FOR , (ONE), FRONT SEAT BELT LEFT OR RIGHT - R.R.
2	CHECK USING DIAGNOSTIC EQUIPMENT	All OK	Problems encountered	Operation
	Keeping the diagnostic equipment connected, check for faults at the AIR BAG NODE	Move on to Step 3	1. Air bag control unit defective2. Presence of faults	1. Replace the Air Bag control unit    Op. 5580C14 AIR BAG ECU - R+R 2. Continue as instructed by the diagnostic equipment
3	ACTIVE DIAGNOSIS CHECK	All OK	Problems encountered	Operation
	With the Examiner in Instrument Panel Node mode check that the seat belt unfastened warning light is correctly activated in Active Diagnosis	End of diagnosis	The seat belt warning light does not flash	Replace the Instrument Panel.    Op. 5560B10 CONTROL PANEL - R+R