Volkswagen Golf / Golf GTI / Jetta. Manual — part 174

01-238

Display group 54 - Speed control

While driving

Read measured value
block 54

Indicated on

display

xxxx
rpm

Text

xxx.x

%

xxx.x

%

1

2

3

4

Display zones

Specification Evaluation

Throttle valve angle

Angle sensor -1- for
throttle drive -G187-

0.0...100.0 %

---

Throttle valve angle

Throttle Position (TP) Sensor 1
-G79-

0.0...100.0 %

---

Operating condition

(idling, part throttle, enrichment,
overrun, wide open throttle)

---

---

Engine speed

640...2520

rpm

---

Note on display zone 1:

Above an engine speed of approx. 2520 rpm no indication will appear on display.

Note on display zone 2:

The operating condition is displayed according to engine speed or load. At a higher
engine speed, "overrun" is displayed when throttle valve is closed up to 1450 rpm only,
and then idle appears thereafter.

Note on display zone 3 and 4:

The specifications do not fully reach the max. min. figures.

Measured value (data) blocks

01-239

Display group 55 - Speed control - Idling stabilization

Engine running at idle

Read measured value
block 55

Indicated on

display

xxxx
rpm

xx.x

%

xx.x

%

xxxxx

1

2

3

4

Display zones

Specification

Evaluation

Operating
condition

xxxxx

Page 01-

240

Idling stabilization learning
value

-5.0...5.0 %

---

Idling control

-5.0...10.0 %

---

Engine speed (actual idle speed)

640...720 rpm

Page 01-

188

Note on display zone 1:

The rpm in display zone 1 (measured revolutions) is the actual engine speed.

Note on display zone 3:

Displayed is the amount that the idle speed stabilization has moved away from the
prescribed average. For a new engine the values lie in the positive range, because of the
higher friction and in the negative range with an engine that has run-in.

Measured value (data) blocks

01-240

Significance of figures in 5 digit number block, display zone 4 - Operating
conditions

Significance if display = 1

1 2 3 4 5

Significance

1 Air conditioner compressor switched on

1 Drive gear selected

1

Air conditioning system switched on

x

Not relevant

x

Not relevant

Measured value (data) blocks

01-241

Display group 56 - Speed control - Idling stabilization

Engine running at idle

Read measured value
block 56

Indicated on

display

xxxx
rpm

xxxx
rpm

xx.x

%

xxxxx

1

2

3

4

Display zones Specification

Evaluation

Operating
condition

xxxxx

Page 01-

240

Idling control

-5.0...10.0 %

---

Engine speed (specified idle
speed)

700 rpm

---

Engine speed (actual idle speed)

640...720 rpm

Page 01-

188

Notes on display zones 1 and 2:

The rpm in display zone 1 (measured revolutions) is the actual engine speed.

The rpm in display zone 2 (specified rpm) is theoretical engine speed calculated by

the Motronic Engine Control Module (ECM) -J220-. at idle, the Motronic Engine
Control Module (ECM) -J220- always tries to adapt the actual engine speed to the
specified engine speed.

Measured value (data) blocks