Secondary air injection relay, testing of electrical system, ME-SFI gasoline injection system

AD07.61-P-6000-24B

Secondary air injection relay, testing of electrical system, ME-SFI gasoline injection system

 with CODE (925) low-emission EURO3





Scope of test

Tester/test connection

Operation/

prerequisite:

Specified value

 Possible cause/

remedy

1.0



Secondary air injection relay

Activation

Model 208/210 in the

front passenger fuse and relay module (K40/4)

Model 129 relay (K17)

Model 163 in the fuse and relay module (F1k28)

 with CODE (925) low-emission EURO3

Power consumption K 17, K40/4 or F1k28

20 

(28C)

3 

(3A)

N3/10





N3/10





 2

(2A)

 20

(28C)

Disconnect connector at coolant temperature sensor (B11/4) and using ohm decade simulate 2.5 kΩ at sockets 1 and 2.

Engine: idling

Ignition: ON

11-14 V
for approx. 2 minutes and air pump running

0.1-0.3 A

 Fuse

 Line

 K17, K40/4 or F1k28

 ME-SFI control module (N3/10)