Volkswagen Golf / Golf Plus. Manual - part 214

 

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Volkswagen Golf / Golf Plus. Manual - part 214

 

 

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Measurement at increased idling speed:
It is automatically switched to display for measuring increased

idling speed.
– Follow instructions on display.
Measurement starts when the engine speed has reached the re‐

quired level.

Note

Measurement can be skipped using 

 button, i.e. the exhaust

emissions test has failed.

Measured values are reset using 

 button and the test can be

repeated.

– Maintain engine speed in required engine speed range.
The remaining time to perform measurement is displayed

-arrow A-.

Measuring idling speed and CO content:
It is automatically switched to display for measuring the idling

speed and CO content.
Measurement starts when the engine speed has reached the re‐

quired level.
The remaining time to perform measurement is displayed

-arrow A-.
Regulating probe test:

Note

The regulating probe test is only performed, when “NOT” all dis‐

play values are set to zero at the test for readiness of operation.

It is automatically switched to display for regulating probe test.

Note

The regulating probe test is performed for every lambda probe

individually.

Measurement starts when the engine speed has reached the re‐

quired level.
– Maintain engine speed in required engine speed range.
The remaining time to perform measurement is displayed

-arrow A-.

Maintenance - Edition 11.2009

166

    5. Exhaust emissions test

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Evaluation:
When the exhaust emissions test has been performed, the log is

shown on display.
The test result is displayed.
Now remarks concerning the exhaust emissions test can be en‐

tered -arrow A-. They will then be included in the test log.
– When the exhaust emissions test is classed as passed, select

-arrow B- “EET sticker issued” in drop-down menu and date.

– Then confirm with “Yes”, see -arrow C-.

After confirming, the two “TEST CERTIFICATES” are printed out

automatically.
– If a further test certificate is required, press -arrow A- “Print”

button.

– Follow instructions on display.
– Take emission probe out of exhaust tail pipe.
– Then press 

 button -arrow B-

The exhaust emissions test is completed and a new exhaust

emissions test can be performed.

5.2

Exhaust emissions test for diesel en‐

gines without OBD

Special tools and workshop equipment required
♦ Diesel tester -V.A.G 1743-

♦ Engine speed adapter -VAS 5087-

Maintenance - Edition 11.2009

5. Exhaust emissions test    

167

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♦ Adapter cable -VAS 5087/3-

Note

All test conditions and data required for exhaust emissions

test: ⇒ Data sheets for exhaust emission test

If possible, the test should be completed outdoors following a

road test. If this is not possible for various reasons (weather,

excessive noise in residential areas), then the test can be car‐

ried out in a workshop.

To reduce noise levels, the bonnet should be closed on first

catch during tests.

Performing visual check of components influencing emissions
⇒ Data sheets for exhaust emission test
– Perform visual check for:
♦ Installation
♦ Completeness
♦ Leakage
♦ Damage

Note

Faults found are to be rectified.

With ignition switched off, connect testers as follows:
– Pull on handbrake.
– Manual gearbox: Gear lever in neutral.
– Automatic gearbox: Selector lever in position “P” or “N”.
– Connect diesel tester -V.A.G 1743- according to operating in‐

structions with ignition switched off.

Connect engine speed adapter -VAS 5087- as follows:

Note

Observe operating instructions for engine speed adapter -VAS

5087- !

Strictly follow the safety precautions in the operating instruc‐

tions!

Maintenance - Edition 11.2009

168

    5. Exhaust emissions test

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– Using adapter cable -VAS 5087/3- , connect “Output” of en‐

gine speed adapter -VAS 5087- to pick-up clamp input of

diesel tester -V.A.G 1743- .

– Turn switch for number of cylinders to respective number of

cylinders.

– Connect a wire from adapter -VAS 5087/1- to -VAS 5087-

(socket -VAS 5087/1- ).

– Using the other wires from adapter -VAS 5087/1- make a con‐

nection to the vehicle battery, by connecting:

♦ Red clamp on positive
♦ Black clamp on negative.
– Start engine and run at idling speed.
– Press the 

Start

 button on engine speed adapter -VAS 5087- .

The red signal lamp must flash for about 10 seconds. Then the

green signal lamp must light up.

The engine speed must now be displayed on diesel tester -

V.A.G 1743- .
If the engine speed is displayed incorrectly or not at all: see “Op‐

erating instructions for VAS 5087”.
Perform exhaust emissions test according to instructions on die‐

sel tester -V.A.G 1743- display.
If the following is indicated on display:

n rpm       mode    k 1/m           T °C
 XXX XXXX   B   X.XX               XX  

Unit ready to carry out measurements.
Checking idling speed:
Idling speed not within specified range:

Note

The idling speed and maximum speed can be checked but not

adjusted.

– If the values are not within specified range, a repair measure

must be made.

Perform acceleration test:
– Press button for “Acceleration test”.
First, a fresh air comparison is performed.
If the following is indicated on display:

n rpm        tB s k 1/m  Gas T °C      M
 XXX XXXX -.-  X.XX     0     XX      -

Current values for temperature and speed are displayed.
The arrow pointing upwards indicates that the unit is waiting for

the throttle burst.
– Depress accelerator pedal fully and hold for specified time.
– Check maximum engine speed (not adjustable).

Maintenance - Edition 11.2009

5. Exhaust emissions test    

169

 

 

 

 

 

 

 

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