Air pump switchover valve, ME-SFI fuel injection system electrical testing

AD07.61-P-6000-25D

Air pump switchover valve, ME-SFI fuel injection system electrical testing

with CODE (620a) vehicles with catalytic converters





Test of

Tester/test connection

Operation/

Requirement

Specified value

 Possible cause/

Remedy

1.0







Air pump switchover valve (Y32)

Actuation

with CODE (620a) vehicles with catalytic converters

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

114 

(2.114)

N3/12





 25

(1.25)

Remove connector from right-hand coolant temperature sensor (B11/10) and simulate with 2.5 kΩ ohm decade resistor at
sockets 1 and 4.

Engine: Idling

11 - 14 V

for approx.
2 minutes and air pump running

 1.1

 ME-SFI control module (N3/12)

1.1

Power consumption Y32

38 

(1.38)

N3/12





 114

(2.114)

Ignition: ON

0.3 - 0.5 A

 Fuse

 Cable

 Y32