volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Fault memory > < Reading measuring value block
Motronic injection and ignition system (4-Cyl. engine)
Self diagnosis
Display group overview

Display group 00 (decimal figures displayed)

Display zones

1

2

3

4

5

6

7

8

9

10

Display

Coolant temperature

Engine load signal

Engine speed

Lambda factor

Learned idling adaption value

Learned full load adaption value

Learned part load adaption value

Learned air mass meter value

Not relevant

Ignition timing

Specification1)

182...224

26...44

80...88

92...164

-

-

-

-

-

93...76

Corresponds to

80...
110 °C

1...
60 %

800...
880 rpm

0.7...1.3

-

-

-

-

-

0...15 <°

1)     Specifications are valid for control unit in basic setting

Display zones

1

2

3

4

Display group 01

Display

xxxx rpm

xxx °C

x.x

x.x <°

Indicated

Engine speed

Coolant temperature

Lambda factor

Ignition timing

Specification1)

800...880

80...110

0.7...1.3

0...15

Display group 02

Display

xxxx rpm

xx.xx ms

xx.xx V

xxx °C

Indicated

Engine speed

Injection period

Battery voltage

not relevant

Specification1)

800...880

2.4...5.2

11.5...15

-

Display group 03

Display

xxxx rpm

xxx %

xx.xx <°

xx °C

Indicated

Engine speed

Engine load signal

Throttle valve angle

Intake manifold temperature

Specification1)

800...880

1...60

5...19

10...50

1)     Specifications are valid for control unit in basic setting

Display zones

1

2

3

4

Display group 04

Display

xxxx rpm

xxx %

xxx

xxxxx

Indicated

Engine speed

Engine load signal

Road speed signal

Operating condition2)

Specification1)

800...880

1...60

-

-

Display group 05

Display

xxxx rpm

xxx

xx %

xxxxx

Indicated

Engine speed

Learned idling stabilization value

Idling stabilization valve duty cycle

Adjustment requirements2)

Specification1)

800...880

-

30...65

-

Display group 06

Display

x.x

x.x

x.x

x.x

Indicated

Lambda factor

Learned idling adaption value3)

Learned part load adaption value3)

Learned full load adaption value3)

Specification1)

0.7...1.3

-

-

-

1)     Specifications are valid for control unit in basic setting

2)     Significance of figures in 5 digit number block .

3)     Specification range not yet determined, will be published in a Technical Bulletin.

Relevance of figures in 5 digit number block

Relevance when displayed digit = 1

x

x

x

x

x

Adjustment condition (display group 05)

Operating condition (display group 04)

1

not relevant

Overrun

1

Signal from autom. gearbox

Idling

1

not relevant

Part load

1

Conditioner standby

Full load

1

Conditioner compressor switched on

Acceleration

  • ‒ Additional measures see Repair procedures:

Notes:

  • ◆ Press ⇒ button to end read measuring value block.
  • ◆ After terminating read measuring value block input 06 for "End output" function and confirm with Q.

Fault memory > < Reading measuring value block