ad0752s600002a

PEC fuel injection and ignition system test of electrical system intake air temperature sensor

Type ad · emne 07.52 · version 0100 · 2003-06-06

Gælder for: ENGINE 111.948 /978 in MODEL 638

Ikke tilgængelig på “da”; vises på Engelsk.

Placering

Funktionsgruppe 1 Motor › 07 Blandingstilberedning › 07.52 Benzinindsprøjtnings- og tændingssystem PMS — Serie 638

EinPAS 15 Motor › 15.30 Luftindsugning/opladning › 15.30.1 Grundinformation — Serie 638

Gælder også for motorer/gearkasser: 111 948, 111 978

AD07.52-S-6000-02A

PEC fuel injection and ignition system test of electrical system intake air temperature sensor

Scope of test

Measuring instrument/
Test connection

Operation/Requirement

Specified value

Possible cause/Remedy

1.0

NTC intake air sensor

Cable

Ignition: ON

Current DTC memory

Disconnect coupling at NTC intake air sensor

If the fault code does not change:

Cables

If the fault code changes:

1.2

1.1

NTC intake air sensor

–//–

Cable

NTC intake air sensor coupling

Ignition: ON

Current DTC memory

Coupling disconnected at NTC intake air sensor

If the fault code does not change:

Cables

If the fault code changes:

1.2

1.2

NTC intake air sensor

Resistance

NTC intake air sensor

Ignition: OFF

Coupling disconnected at NTC intake air sensor

°C =̂ Ω

10 =̂ 9670

20 =̂ 6060

30 =̂ 3900

40 =̂ 2600

50 =̂ 1760

60 =̂ 1220

70 =̂ 860

80 =̂ 620

5 %

NTC intake air sensor

1.3

NTC intake air sensor

Loose contact

Ignition: ON

Current DTC memory

Shake cables

Work through current faults