1998 VOLKSWAGEN JETTA check engine

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Display group number 69: zero compensation
of longitudinal acceleration sensor -G251-

Note:
All functions which could previously be
performed with V.A.G 1551 can now also be
carried out with the tester VAS 5051.

Position vehicle on a flat level surface.

- Connect V.A.G 1551 scan tool and select
(address word 03) brake electronics control
module with ignition switched on; Page 01
-
163 .

- Check measured values with help of function 08
"Read measured value block" Page 01
-240 ,
Display group number 006.
First perform function 11 "Login procedure"
successfully using V.A.G 1551 scan tool
Page 01
-287
Rapid data transfer HELP
Enter address word XX Indicated on display:
- Press keys 0 and 4. (The function "Initiating
basic setting" is selected with 04).
Стр. 123из 129 On Board Diagnostic (OBD), performing

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Rapid data transfer Q
04 - Basic settin
g
Indicated on display:
- Confirm entry with key Q.
Basic setting HELP
Enter dis
play group number XXX
Indicated on display:
- Press keys 0, 6 and 9
- Confirm entry with key Q.
ABS warning light flashes.
Basic setting 69 OFF <4-ON>
Compens. OK 0.3m/s2 Indicated on display:
Note:
After successfully completing the zero
compensation the values in display do not
go to 0.00 m/s2
Function is unknown or cannot be
-
performed at moment
If this display appears the login procedure
has not been performed successfully.
- or:
Basic setting 69 OFF <4-ON>
Compens. n. poss. 5.0m/s2 If this appears on display, the measured
values are not within the accepted tolerance
for zero compensation.
- Check measured values with help of
function 08 "Read measured value block"
Page 01
-240 , Display group number
006.
Стр. 124из 129 On Board Diagnostic (OBD), performing

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1. Check DTC memory (Function 02)
2. Erase DTC memory (Function 05)
3. End output (Function 06)
4. Switch off ignition.
5. Switch on ignition.
6. Perform zero compensation again.

-
Press key.
Rapid data transfer HELP
Enter address word XX Indicated on display:
- Press keys 0 and 6, this ends the output.
Rapid data transfer Q
06 - End output Indicated on display
ABS and ESP warning lights light up for
approx. 2 seconds.
Стр. 125из 129 On Board Diagnostic (OBD), performing

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Display group number 93: activation of ESP
driving test
The ESP driving test is used to check the
plausibility of the signals from sensor for
transverse acceleration -G200-, sender for
rotation rate -G202- and sender 1 for brake
booster -G201-.
The ESP driving test should be performed each
time parts of the ESP system are removed or
replaced.

- Connect V.A.G 1551 scan tool and select
(address word 03) brake electronics control
module (address word 03) with ignition switched
on; Page 01
-163 .
Rapid data transfer HELP
Enter address word XX Indicated on display:
- Press keys 0 and 4. (The function "Initiating
basic setting" is selected with 04).
Rapid data transfer Q
04 - Basic settin
g
Indicated on display:
- Confirm entry with key Q.
Basic setting HELP
Enter displa
y group number XXX
Indicated on display:
- Press keys 0, 9 and 3
Стр. 126из 129 On Board Diagnostic (OBD), performing

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- Now perform test drive for maximum 50 seconds
at a speed of 15km/h...30km/h:

It must be driven so that no ABS, EDL, ASR or
ESP regulation is performed.

Make a turn with steering wheel turned at least
90 .
When the ABS warning lamp -K47- and ESP
warning lamp -K155- go out, the ESP driving
test has been successfully completed.

WARNING!

Always comply with road traffic regulations
and drive according to the traffic conditions.

Note:

If the ABS warning light -K47- does not go out,
then the ESP driving test has not been
performed correctly.

If the ABS warning light -K47- does not go out
and the ESP control lamp -K155- lights up
again, check DTC memory Page 01
-170 .
Стр. 128из 129 On Board Diagnostic (OBD), performing

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Electrical
check of
Mark 60
Special tools and
equipment

V.A.G 1598/36
Adapter

V.A.G 1594 A
Adapter set

V.A.G 1526 A
Hand multimeter

V.A.G 1921 Pliers

V.A.G 1598 A
Test box
Стр. 1из 38 Electrical check of Mark 60

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The test steps Page 01-297 apply only to
vehicles with ABS/EDL/ASR/ESP
For vehicles on which the On Board Diagnostic
(OBD) does not give any indication of the
source of the malfunction. Work through the
complete electrical check.

For vehicles on which the OBD provides a
direct indication of the source of the
malfunction. Only carry out the test steps
recommended in the DTC table (directed entry).
An overview of all the test steps in the electrical
check Page 01
-297 .
Стр. 2из 38 Electrical check of Mark 60

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Test prerequisites

Switch ignition and electrical
consumers off before commencing the
check (headlights, lighting, fans ...).

Fuses must be OK (remove fuses from
fuse holder to check).
Electrical Wiring Diagrams,
Troubleshooting & Component
Locationsbinder

- Pull fuse holder out of cable channel.
- Release ABS Control Module (w/EDL) -
J104- connector -arrow 1- and pull off -
arrow 2-.
Стр. 3из 38 Electrical check of Mark 60