ad0761p600026a

Secondary air injection - Testing electrical system, ME-SFI gasoline injection system

Type ad · thema 07.61 · versie 0107 · 2003-06-10

Geldig voor: ENGINE 112.910, 112.911 up to 31.5.00, 112.920, 112.921 up to 31.5.00, 112.923, 112.940 /941 /942 up to 31.5.00, 112.943 with CODE (494a) USA version with CODE (925) low emission EURO3 ENGINE 113.940 /942 /943 up to 31.5.00, 113.961 with CODE (494a) USA version with CODE (925) low emission EURO3

Niet beschikbaar in “nl”; getoond in Engels.

Plaats

Functiegroep 1 Motor › 07 Mengselvorming › 07.61 Benzine-inspuit- en ontstekingssysteem ME

EinPAS 15 Motor › 15.45 Motormanagement › 15.45.1 Basisinformatie

Geldt ook voor motoren/versnellingsbakken: 112 910, 112 911, 112 920, 112 921, 112 923, 112 940, 112 941, 112 942, 112 943, 113 940, 113 942, 113 943, 113 961

AD07.61-P-6000-26A

Secondary air injection - Testing 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

(causal chain)

with CODE (925) low-emission EURO3

23

(31C)

3

(3A)

3

(3A)

N3/10

N3/10

24

(32C)

66

(10E)

20

(28C)

Note: Measurement is on

the oxygen sensor signal upstream of

TWC.

At coolant temperature

> 80 °C allow engine to idle for at least 2 minutes.

Insert bridges at socket box.

Voltage of oxygen sensor surges in the range of

-0.2 V to +1.0 V

Air pump running

Voltage changes to <100mV within

20 s

Secondary air injection switchover valve (Y32)

Combination valve for secondary air injection

Air pump no output