Secondary air injection relay - ME-SFI fuel injection system electrical testing

AD07.61-P-6000-24E

Secondary air injection relay - 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







Secondary air injection relay (K17)

Actuation

with CODE (620a) Vehicles with catalytic converters

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

57 

(1.57)

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

K17 power consumption

38 

(1.38)

N3/12





 57

(1.57)

Ignition: ON

0.1 - 0.3 A

 Fuse

 Cable

 K17