Air pump switchover valve - check electrics - ME-SFI fuel injection system

AD07.61-P-6000-25B

Air pump switchover valve - check electrics - ME-SFI fuel injection system

    as of 07/97 and D3 low emission standard





Scope of test

Tester/test connection

Operation/

Prerequisite:

Specified value

 Possible cause/

Remedy

1.0



Air pump switchover valve (Y32)

    as of 07/97 and D3 low emission standard

Actuation

Power consumption Y32

66 

(10E)

3 

(3A)

N3/10





N3/10





 2

(2A)

 66

(10E)

Unplug coupling at coolant temperature sensor (B11/4) and simulate using Ohm decade 2.5 kΩ at sockets 1 and 2.

Engine: At idle speed:

Ignition: ON:

11 - 14 V

for approx.
2 min and air pump running

0.4 - 0.6 A

 Fuse

 Line

 Y32

 ME-SFI control module (N3/10)