IFI test of electrical system EGR switchover valve

AD07.12-P-6000-16D

 	Scope of test	Measuring instrument/ Test connection			Operation/Requirement	Specified value	 Possible cause/Remedy

1.0 	EGR switchover valve (Y27) (=Y31/1) Note on test connection: Insert pressure tester with Y-distributor arm between vacuum transducer (OUT) and EGR valve	35 	N3/7  	 37	Check vacuum at vacuum transducer OUT outlet AD07.12-P-2000-11A Engine: Start 560-660 rpm 1500 rpm Blip throttle from 1500 rpm	< 0.5 V < 100 mbar 11–14 V > 400 mbar Voltage and pressure drop	 Y27  Check supply pressure AD07.12-P-6000-14D  Pressure lines  Electric cables  Vent filter contaminated  f2 in K40/3  K40/3  IFI control module (N3/7)  1.1
1.1	Current consumption	18 	N3/7  	 35	Ignition: ON	0.8-1.2 A	 Y27  1.2
1.2	EGR valve leaktightness				Ignition: OFF Disconnect vacuum line and connect pressure tester. Pressurize EGR valve with 400 mbar	EGR valve closes audibly	 EGR valve