Remove/install injection system control unit - AR07.08-P-7008GY

ENGINES 642.970 in MODEL 463.303 /340 /341 

ENGINES 642.886 in MODEL 463.306 /336 /346 

Fig 1: Identifying CDI Control Unit, Electrical Connector And Screw

Courtesy of MERCEDES-BENZ USA

	Remove/install
	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
1	Read out the coding of the CDI control unit (N3/9)	When exchanging the CDI control unit (N3/9), in as far as possible.	AD00.00-P-2000-04A
2	Detach ground line from battery		AR54.10-P-0003G
3	Disconnect electrical connectors (1, 2) on CDI control unit (N3/9)	To do this pull these locks outwards.
4	Remove bolt (3)
5	Pull out CDI control unit (N3/9) from bracket
6	Install in the reverse order
7	Code CDI control unit (N3/9)	After replacing the CDI control unit (N3/9)
8	Perform basic programming		AR00.19-P-0200P