wheel VOLKSWAGEN JETTA 1998 Service Manual

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Note:
For display group number 002 remember:
The reading of measured value blocks in display group number 002 must be undertaken when
driving off slowly. Then the ABS Control Module (w/EDL) -J104- will store the first usable
voltage signals provided by the speed sensors and display these as a fixed value in the
measured value block.
Read measured value block
2 Display group number: 002
3 km/h
1)
6 km/h1)
2 km/h2)
1 km/h2)
Indicated on display: (when driving off slowly)

Wheel speed at right rear speed sensor
(0...255 km/h)

Wheel speed at left rear speed sensor

(0...255 km/h)

Wheel speed at right front speed sensor
(0...255 km/h)

Wheel speed at left front speed sensor

(0...255 km/h)
1) If the deviations in display zones 1 and 2 are greater than 6 km/h (approx. 3.75 mph), the
following faults may be present:
2) If the deviations in display zones 3 and 4 are greater than 2 km/h (approx. 1.25 mph), the
following faults may be present:
Note:

Air gap between speed sensor and rotor may be too big.
- Check that speed sensor is screwed correctly to wheel bearing housing.

Speed sensor or rotor exterior damaged.
- Change damaged component.
Стр. 90из 129 On Board Diagnostic (OBD), performing

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Read measured value block
125 Display group number: 125
Engine
1 St.ang.
1 4WD
1 Gear.
1 Indicated on display (example)

Data Bus for transmission1)
1 Data bus connection is available.
0 Data bus connection is not available.3)

Data bus for all-wheel drive2)

1 Data bus connection is available.
0 Data bus connection is not available.3)

Data bus for steering angle

1 Data bus connection is available.
0 Data bus connection is not available.3)

Data bus for engine

1 Data bus connection is available.
0 Data bus connection is not available.3)
1) Vehicles with automatic transmission only.

Incorrect transmission control module or incorrect transmission control module coding.

Transmission control module malfunction.
Repair Manual, Transmission, Repair Group 01 for relevant transmission code.
2) For 4MOTION vehicles only
3) Data bus connection is interrupted or data bus wires are interchanged.
Electrical Wiring Diagrams, Troubleshooting & Component Locations binder.
Стр. 104из 129 On Board Diagnostic (OBD), performing

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Display group number 40: switching off
longitudinal acceleration sensor -G251-

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

Display group 040 is necessary for shutting off
longitudinal acceleration sensor -G251- in order
to utilize the maximum engine performance for
a test, e.g. on a rolling road test bed. In
addition, the all wheel drive is shut off and the
vehicle behaves like a front wheel drive vehicle.

Switch ignition off and on again to reactivate the
longitudinal acceleration sensor -G251-.

- Connect V.A.G 1551 scan tool and select
(address word 03) brake electronics control
module with ignition switched on; Page 01
-
163 .
Стр. 111из 129 On Board Diagnostic (OBD), performing

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Display group number 60: zero compensation
of steering angle sensor -G85-

Note:

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

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

- Start engine.

- Carry out a short test drive over a flat and level
surface. Drive straight-ahead and not faster then
20 km/h (12.5 mph) and observe the following
points:

If the steering wheel is not in the centered
position when driving straight ahead, the
steering must be corrected within the
framework of an alignment check.
Repair Manual, Suspension, Wheels,
Steering, Repair Group 44; Vehicle alignment.
Стр. 113из 129 On Board Diagnostic (OBD), performing

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If the steering wheel is in the straight ahead
position during the test drive, stop the vehicle
while still driving straight ahead.

- Check specifications with help of function 08
"Read measured value block" Page 01
-240 ,
Display group number 004.

Make sure steering wheel does not moved.
Do not turn ignition switch off!

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).
Rapid data transfer Q
04 - Basic settin
g
Indicated on display:
- Confirm entry with key Q.
Стр. 114из 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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01-293


Contact
Wiring connection to component ...
1
Voltage supply fr om battery +
2
Connector T16/7, K wire
3

Longitudinal acceleration sens or -G251- sensor wire(4MOTION vehicles only)
Vacant (4MOTION vehicles with ESP-sensor unit -G419, vehicles from 11.01)
4
Voltage supply from igni tion/starter switch
5

Longitudinal acceleration se nsor -G251- Ground(4MOTION vehicles only)
Vacant (4MOTION vehicles with ESP-sensor unit -G419- , vehicles from 11.01)
6

Sensor for transverse acceleration -G200-
Voltage supply for ESP-sensor unit -G419-, vehicles from 02.02
7

Longitudinal acceleration se nsor -G251- voltage supply(4MOTION vehicles
only)
Vacant (4MOTION vehicles with ESP-sensor unit -G419- , vehicles from 11.01)
8
Vehicles with navi gation system only
9
Coding bridge to contact 12 (vehicle s with ABS/EDL/ASR/ESP 4MOTION
only)
10
Vehicles with navi gation system only
11
Data bus wire Wiring diagrams
12
Coding bridge to contact 9 (vehicles with ABS/EDL/ASR/ESP 4MOTION only)
Coding bridge to contact 38 (vehicles with ABS/EDL/ASR/ESP front wheel
drive only)
Стр. 6 из 38
Electrical check of Mark 60
Volkswagen Technical Site: http://v olkswagen.msk.ru http://vwts.info http://vwts.ru
огромный архив документации по автомобилям Volkswagen, Skoda, Seat, Audi

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Contact
Wiring connection to component ...
13
ASR/ESP button -E256-
14
Coding bridge to contact 38 (vehicles with ABS and ABS/EDL/ASR front wheel
drive only)
15
Data bus wire Wiring diagrams
16 Ground point on left-hand longitudinal member
17
Vacant
18
Sender 1 for brake booster -G201- voltage supply
19
Sender 1 for brake booster -G201- signal wire
20
Sender 1 for brake booster -G201- ground wire
21
Vacant
22
Vacant
23
Vacant
24

Ground wire for sensor for transverse acceleration -G200- and sender for
rotation rate -G202-
Ground wire for ESP-sensor unit -G419-, vehicles from 02.02
25

Vacant
Data bus wire for ESP-sensor unit -G419-, vehicles from 02.02
26
Voltage supply for sensor for transverse acceleration -G200- and sender for
rotation rate -G202-
Стр. 7из 38 Electrical check of Mark 60

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Contact
Wiring connection to component ...
27
Vacant
28
Vacant
29

Vacant
Data bus wire for ESP-sensor unit -G419-
30
Vacant
31
Vacant
32
Voltage supply from battery +
33
Right front ABS wheel speed sensor -G45-
34
Right front ABS wheel speed sensor -G45-
35
Vacant
36
Left rear ABS wheel speed sensor -G46-
37
Left rear ABS wheel speed sensor -G46-
38

Coding bridge to contact 12 (vehicles with ABS/EDL/ASR/ESP front wheel
drive only)
Coding bridge to contact 14 (vehicles with ABS and ABS/EDL/ASR front wheel
drive only)
Стр. 8из 38 Electrical check of Mark 60

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Contact
Wiring connection to component ...
39
Vacant
40
Sender for rotation rate -G202- signal wire
41
Brake light switch -F-
42
Right rear ABS wheel speed sensor -G44-
43
Right rear ABS wheel speed sensor -G44-
44
Vacant
45
Left front ABS wheel speed sensor -G47-
46
Left front ABS wheel speed sensor -G47-
47
Ground point on left-hand longitudinal member
Стр. 9из 38 Electrical check of Mark 60