Contents

			Test results
1	COMPONENT CONCERNED	INSTRUMENT PANEL CONNECTION CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	CAN LINE WIRING BETWEEN RADIO NAVIGATOR CONTROL UNIT AND INSTRUMENT PANEL	Check that the CAN connections between the radio navigator control unit and instrument panel are not faulty. In particular, that there are no open circuit or short circuit problems See E1050 CAN CONNECTION LINES	Go to Step 2	There are faulty connections	Restore or, if necessary, replace the wiring
2	COMPONENT CONCERNED	RADIO NAVIGATOR CONTROL UNIT CONNECTION CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	RADIO NAVIGATOR CONTROL UNIT CONNECTIONS	Disconnect/reconnect the radio navigator control unit connectors and check for the presence of loose pins	Go to Step 3	Presence of a loose pin	Restore the correct operation of the connector
3	COMPONENT CONCERNED	INSTRUMENT PANEL CONNECTION CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	INSTRUMENT PANEL CONNECTIONS	Disconnect/reconnect the instrument panel connectors and check for the presence of loose pins	Go to Step 4	Presence of a loose pin	Restore the correct operation of the connector
4	COMPONENT CONCERNED	INSTRUMENT PANEL SUPPLY CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	INSTRUMENT PANEL SUPPLY	Check that the power supply to the Instrument Panel is correct	Go to Step 5	Power supply not correct	Restore the correct power supply
5	COMPONENT CONCERNED	RADIO NAVIGATOR CONTROL UNIT POWER SUPPLY CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	RADIO NAVIGATOR CONTROL UNIT SUPPLY	Check that the power supply for the radio navigator control unit is correct	Go to Step 6	Power supply not correct	Restore the correct power supply
6	COMPONENT CONCERNED	INSTRUMENT PANEL OPERATION CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	INSTRUMENT PANEL	Check that the instrument Panel is working correctly	Go to Step 7	Incorrect instrument panel operation	Replace the Instrument Panel Op. 5560B10 CONTROL PANEL - R+R
7	COMPONENT CONCERNED	RADIO NAVIGATOR CONTROL UNIT OPERATION CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	RADIO NAVIGATOR CONTROL UNIT	Check that the radio navigator control unit is working correctly	End of diagnosis	The radio navigator control unit is not working correctly	Replace the radio navigator control unit Op. 5580M02 PANEL FOR ON-BOARD NAVIGATOR/RADIO/AUDIO CD PLAYER - R.R.