Secondary air injection relay - check electrics - ME-SFI fuel injection system

AD07.61-P-6000-24C

Secondary air injection relay - 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



Secondary air injection relay

Actuation

Models 129/140 (K17)

Model 202 fuse and relay module (K40/4)

Model 210 relay module (K40)

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

Power consumption

K17, K40, K40/4

20 

(28C)

3 

(3A)

N3/10





N3/10





 2

(2A)

 20

(28C)

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

0.1 - 0.3 A

 Line

 Air pump fuse

 K17, K40, K40/4

 ME-SFI control module (N3/10)