Audi Workshop Service and Repair Manuals

Display group No.

Indicated on display

Designation

000

Reading measured value block

1

=

Coolant temperature

Basic function

1 2 3 4 5 6 7 8 9 10

2

=

Air mass meter output voltage

3

=

Engine speed

4

=

Learned value for idle stabilisation

5

=

Learned value for idle stabilisation

6

=

Idling stabilisation feedback

7

=

Switching inputs

8

=

Lambda control value

9

=

Lambda learning demand

10

=

Learned value for throttle valve potentiometer

Display group No.

Indicated on display

Designation

001

Reading measured value block 1

1

=

Coolant temperature

Basic function

1 2 3 4

2

=

Air mass meter output voltage

3

=

Unallocated (only for vehicles with secondary air)

4

=

Engine control unit power supply

002

Reading measured value block 2

1

=

Throttle valve potentiometer voltage - idling speed to full throttle

Throttle

1 2 3 4

2

=

Throttle valve positioner potentiometer voltage - idling speed, lower part throttle

valve

3

=

Learned value for throttle valve potentiometer

potentiometer

4

=

Idling switch

003

Reading measured value block 3

1

=

Engine speed

Basic function

1 2 3 4

2

=

Engine load - idling speed

3

=

Throttle valve angle

4

=

Road speed

Display group No.

Indicated on display

Designation

004

Reading measured value block 4

1

=

Idling speed control

Idling speed

1 2 3 4

2

=

Learned value for idle stabilisation

stabilisation

3

=

Idling stabilisation learned value for automatic gearbox

4

=

Switching inputs (auxiliary signals)

005

Reading measured value block 5

1

=

Lambda learned value - idling speed (bank 1)

Lambda

1 2 3 4

2

=

Lambda learned value - part throttle 1 (bank 1)

learned values

3

=

Lambda learned value - part throttle 2 (bank 1)

4

=

Lambda learned value - part throttle 3 (bank 1)

006

Reading measured value block 6

1

=

Lambda learned value - idling speed (bank 2)

Lambda

1 2 3 4

2

=

Lambda learned value - part throttle 1 (bank 2)

learned values

3

=

Lambda learned value - part throttle 2 (bank 2)

4

=

Lambda learned value - part throttle 3 (bank 2)

Display group No.

Indicated on display

Designation

007

Reading measured value block 7

1

=

Lambda control (bank 1)

Lambda

1 2 3 4

2

=

Lambda learning range - display

control

3

=

Lambda learning demand - diagnosis

4

=

Lambda learning demand - display

008

Reading measured value block 8

1

=

Lambda control (bank 2)

Lambda

1 2 3 4

2

=

Lambda learning range - display

control

3

=

Lambda learning demand - diagnosis

4

=

Lambda learning demand - display

009

Reading measured value block 9

1

=

Lambda control (bank 1)

Lambda

1 2 3 4

2

=

Lambda control (bank 2)

control

3

=

Duty cycle of ACF solenoid 1 -N80

4

=

Throttle valve angle

Display group No.

Indicated on display

Designation

010

Reading measured value block 10

1

=

Sum total of lambda control and instantaneous lambda learned value (bank 1)

Lambda
control/

1 2 3 4

2

=

Sum total of lambda control and instantaneous lambda learned value (bank 2)

voltage

3

=

Lambda probe 1 voltage signal (bank 1)

signal

4

=

Lambda probe 1 voltage signal (bank 2)

011

Reading measured value block 11

1

=

Ignition timing without knock control and digital idling-speed stabilisation

Ignition timing

1 2 3 4

2

=

Ignition timing with knock control and digital idling-speed stabilisation (mean value of all cylinders)

3

=

Ignition timing intervention for digital idling-speed stabilisation

4

=

Idling switch

012

Reading measured value block 12

1

=

Engine speed

Ignition timing

1 2 3 4

2

=

Engine load

3

=

Ignition timing map switching

4

=

Ignition timing retardation by knock control (mean value of all cylinders)

Display group No.

Indicated on display

Designation

013

Reading measured value block 13

1

=

Ignition timing map switching

Knock

1 2 3 4

2

=

Ignition timing retardation by knock control, cylinder 1

control

3

=

Ignition timing retardation by knock control, cylinder 2

4

=

Ignition timing retardation by knock control, cylinder 3

014

Reading measured value block 14

1

=

Ignition timing map switching

Knock

1 2 3 4

2

=

Ignition timing retardation by knock control, cylinder 4

control

3

=

Ignition timing retardation by knock control, cylinder 5

4

=

Ignition timing retardation by knock control, cylinder 6

015

Reading measured value block 15

1

=

Engine speed

Knock

1 2 3 4

2

=

Knock sensor signal, cylinder 1

sensor

3

=

Knock sensor signal, cylinder 2

4

=

Knock sensor signal, cylinder 3

Display group No.

Indicated on display

Designation

016

Reading measured value block 16

1

=

Engine speed

Knock

1 2 3 4

2

=

Knock sensor signal, cylinder 4

sensor

3

=

Knock sensor signal, cylinder 5

4

=

Knock sensor signal, cylinder 6

017

Reading measured value block 17

1

=

Time counter 1

EGR

1 2 3 4

2

=

Time counter 2

.

3

=

Engine load

4

=

EGR temperature

018

Reading measured value block 18

1

=

Internal specified duty cycle of idling stabilisation valve

Idling speed

1 2 3 4

2

=

Current input of idling stabilisation valve

stabilisation

3

=

Current regulation of idling stabilisation valve

4

=

Engine control unit power supply

Display group No.

Indicated on display

Designation

019

Reading measured value block 19

1

=

Engine power (internal calculated value)

Mixture

1 2 3 4

2

=

Intake air mass

preparation

3

=

Road speed

4

=

Injection period (mean value of all cylinders)

020, 021

Unallocated (only for vehicles with secondary air)

022

Reading measured value block 22

1

=

Reduction stages

Traction

1 2 3 4

2

=

Ignition timing retardation by ASR

control

3

=

Reduced engine torque (actual torque)

control

4

=

Non-reduced engine torque

023

Reading measured value block 23

1

=

Change-up/change-down signal

Operating

1 2 3 4

2

=

Signal for gear recognition and gear shift

statuses

3

=

Air-conditioner/heated rear window operating status

4

=

Air-conditioner compressor shut-off

Display group No.

Indicated on display

Designation

024...098

Unallocated

099

Reading measured value block 99

1

=

Engine speed

Operating

1 2 3 4

2

=

Engine load (injection period per crankshaft revolution)

statuses

3

=

Coolant temperature

Lambda

4

=

Lambda control OFF/ON

control