ad0761p600004a

Testing of electrical system for ME-SFI fuel injection system hot film air mass sensor

Type ad · emne 07.61 · version 0105 · 2003-06-10

Gælder for: 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 ENGINE 112.945 up to 30.11.00 in MODEL 463

Ikke tilgængelig på “da”; vises på Engelsk.

Placering

Funktionsgruppe 1 Motor › 07 Blandingstilberedning › 07.61 Benzinindsprøjtnings- og tændingssystem ME — Serie 463

EinPAS 15 Motor › 15.45 Motorstyring › 15.45.1 Grundinformation — Serie 463

Gælder også for motorer/gearkasser: 112 910, 112 911, 112 920, 112 921, 112 923, 112 940, 112 941, 112 942, 112 943, 112 945

AD07.61-P-6000-04A

Testing of electrical system for ME-SFI fuel injection system hot film air mass sensor

Scope of test

Tester/test connection

Operation/

Prerequisite:

Specified value

Possible cause/

Remedy

1.0

Hot film mass air flow sensor (B2/5)

Hot film signal

104

N3/10

103

(47E)

Ignition: ON

Engine: idling

Coolant temperature

> 70° c

0.9-1.1 V

1.3-1.7 V

Increasing rpm, increasing voltage

1.1

1.2

1.3

Cable

Unmetered air

B2/5

1.1

Hot film mass air flow sensor (B2/5)

Voltage supply

5 V

N3/10

104

(48E)

B2/5

4

Unplug coupling to hot film

mass air flow sensor (B2/5)

and check direct at socket 4 (brown/yellow)

Ignition: ON

4.7-5.2 V

Cable

N3/10

1.2

Ground lead for hot film air mass sensor (B2/5)

B2/5

3

N3/10

102

(46E)

Unplug coupling to hot film

mass air flow sensor (B2/5)

and check direct at socket 3 (brown)

Ignition: ON

4.7-5.2 V

Cable

1.3

Hot film mass air flow sensor (B2/5)

Voltage supply

12 V

N3/10

104

(48E)

B2/5

2

(2)

Unplug coupling to hot film

mass air flow sensor (B2/5)

and connect voltmeter plus to socket 2 (red/blue)

Ignition: ON

11-14 V

Cable

Fuse and relay module, base module

(K40/4, F1f11 or N16/1)