ad0761p600026b

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

Tip ad · temă 07.61 · versiune 0102 · 2003-06-10

Valabil pentru: ENGINES 104.941 /943 /944 /991 /994 as of 1.8.96 ENGINE 104.995 with CODE (494a) USA version with CODE (807) Model year 1997 with CODE (808) Model year 1998 with CODE (498) as of Model Year 97 Japanese version

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Încadrare

Grupă funcțională 1 Motor › 07 Pregătirea amestecului › 07.61 Sistem de injecţie şi aprindere pe benzină ME

EinPAS 15 Motor › 15.45 Management motor › 15.45.1 Informaţie de bază

Valabil și pentru motoare/cutii de viteze: 104 941, 104 943, 104 944, 104 991, 104 994, 104 995

AD07.61-P-6000-26B

Secondary air injection - 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

(causal chain)

Measurement is of

the O2 sensor signal, upstream of the

TWC

as of 07/97 and D3 low emission standard

23

(31C)

3

(3A)

3

(3A)

N3/10

N3/10

24

(32C)

20

(28C)

66

(10E)

At coolant temperature

> 80 °C, engine to run for a min.

of 2 minutes at idle speed

Insert jumpers at socket box

The voltage for the O2 sensor fluctuates in a range of between

-0.2 V up to +1.0 V

Air pump running, voltage changes to

< 100 mV within

20 s

Secondary air injection switchover valve (Y32) jammed

Secondary air injection combination valve

No air pump output