check engine VOLKSWAGEN JETTA 1998 Service Manual

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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

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The specified values are matched to the
V.A.G 1526 and are not necessarily
applicable for other test modules. - Connect test box V.A.G 1598/36 -1- to
multi-pin connector of ABS control
module (w/EDL) -J104- -2-.
Стр. 4из 38 Electrical check of Mark 60

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Multi-pin connector with contact
assignments


Note:
All contacts not listed are currently not
assigned and must never be connected to
other components!
Contact assignment of connectors for
voltage supply and self-diagnosis with
the V.A.G 1551 scan tool
Contact
4 = Ground (terminal 31)
Contact
16 = Positive (terminal 30)
Contact
7 = K wire to contact 2 of multi-
pin connector T47 of ABS
control module (w/EDL) -
J104-
Contact assignment of connector T47
wiring harness/ABS control module
(w/EDL) -J104-
Стр. 5из 38 Electrical check of Mark 60

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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
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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

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Test step overview
Component to be tested

Voltage supply for ABS hydraulic pump -V64- to ABS control module
(w/EDL) -J104- - Perform test
step 1
Voltage supply for valves in ABS hydraulic unit -N55- to ABS control
module (w/EDL) -J104- - Perform test
step 2
Voltage supply (ignition/starter switch) to ABS control module (w/EDL) -
J104- - Perform test
step 3
Function of brake light switch -F-
- Perform test
step 4
Resistance of right front ABS wheel speed sensor -G45-
- Perform test
step 5
Resistance of left front ABS wheel speed sensor -G47-
- Perform test
step 6
Resistance of right rear ABS wheel speed sensor -G44-
- Perform test
step 7
Resistance of left rear ABS wheel speed sensor -G46-
- Perform test
step 8
Voltage signal of right front ABS wheel speed sensor -G45-
- Perform test
step 9
Voltage signal of left front ABS wheel speed sensor -G47-
- Perform test
step 10
Voltage signal of right rear ABS wheel speed sensor -G44-
- Perform test
step 11
Стр. 10из 38 Electrical check of Mark 60

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Component to be tested

Voltage signal of left rear ABS wheel speed sensor -G46-
- Perform test step 12
Warning lamp function for ABS warning light -K47-
- Perform test step 13
Warning lamp function for warning light for brake system -K118-
- Perform test step 14
Warning lamp function for ESP control lamp -K155-
- Perform test step 15
Function of ASR/ESP button -E256-
- Perform test step 16
Activation of steering angle sensor -G85-
- Perform test step 17
Activation of sensor for transverse acceleration -G200-
Activation of sender for rotation rate -G202- - Perform test step 18
Activation of sender 1 for brake booster -G201-
- Perform test step 19
Check of data bus wiring
- Perform test step 20
Voltage supply for V.A.G 1551, connector T16
- Perform test step 21
Resistance of K wire for self-diagnosis, connector T16
- Perform test step 22
Coding bridge
- Perform test step 23
Стр. 11из 38 Electrical check of Mark 60