ad0752d600008a

PEC fuel injection and ignition system test of electrical system O2 sensor

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

Applies to: ENGINE 111.979 in MODEL 901, 902, 903, 904

Where it sits

Function group 1 Engine › 07 Mixture formation › 07.52 PEC-SFI fuel injection/ignition system — Series 901 · Series 902 · Series 903 · Series 904

EinPAS 15 Engine › 15.45 Engine management › 15.45.1 Basic information — Series 901 · Series 902 · Series 903 · Series 904

Also applies to engines/gearboxes: 111 979

AD07.52-D-6000-08A

PEC fuel injection and ignition system test of electrical system O2 sensor

Scope of test

Measuring instrument/Test connection

Operation/

Requirement

Specified value

Possible cause/

Remedy

1.0

O2 sensor (R22)

O2 sensor signal

Engine: Idling

at operating temperature

Actual value 07

Fluctuates between

- 0.2 V and

+ 1 V

1.1

1.1

Cable

3

4

Connector

O2 sensor/

control module disconnected

Engine: Idling

at operating temperature

Actual value

Measured at

O2 sensor/control module

coupling

1440 mV at open-circuit

20 mV at

short-circuit

Cables

1.2

1.2

Insulation

O2 sensor cable

4

Ignition: OFF

Connector

O2 sensor/

control module disconnected

Measured at

O2 sensor coupling

> 30 kΩ

O2 sensor (R22)