Purge system, ME-SFI fuel injection system electrical testing

AD07.61-P-6000-31D

Purge system, ME-SFI fuel injection system electrical testing

Model 129 as of 9/97 ,
model 140 





Test of

Tester/test connection

Operation/

Requirement

Specified value

 Possible cause/

Remedy

1.0









System purge

tightness

Model 129 as of 9/97 , model 140 

 right ME-SFI control module only (N3/12)

Activate shutoff valve for activated charcoal canister (Y58/4)

26 

(1.26)

N3/12





 34

(1.34)

Remove purge line (A) to activated charcoal canister at right purge control valve (Y58/3) in engine compartment on the left-hand side and connect vacuum tester to purge line, refer to 

GF07.61-P-0001-01U

Ignition: ON

Apply approx. 25 mbar of pressure using vacuum tester.

After

approx. 1 min

< 5 mbar pressure loss

 Filler cap

 Purge line to the activated charcoal canister

 Purge line from activated charcoal canister to activated charcoal canister shut-off valve (Y58/4)

 Activated charcoal canister

 Activated charcoal canister shutoff valve (Y58/4)

 Tank pressure sensor (B4/3)