ABS VOLKSWAGEN BORA 1998 Workshop Manual

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V.A.G 1551
print-out Possible cause
Repair
01276
ABS hydraulic
pump
-V64-
Signal outside
tolerances
1)
ABS hydraulic pump
-V64-connector to
control module faulty- Perform output Diagnostic Test Mode (DTM)
Page 01
-74

Open circuit, short to
positive or Ground in
the wiring - Check wiring and connections using wiring
diagram

- Perform electrical checks from Page 01
-102

ABS hydraulic pump
-V64- faulty - If the ABS hydraulic pump -V64- runs free while
electrical check test step 18 performed Page
01-102 , replace ABS control module (w/EDL) -
J104-

ABS control module
(w/EDL) -J104- faulty
Repair Manual, Brake System, Repair Group 45;
Hydraulic unit, brake booster/brake master cylinder
- Assembly overview; Removing and installing
control module and hydraulic unit - Replace ABS control module (w/EDL) -J104-
1) Type of DTC; this DTC is only recognized above 20 km/h (13 mph) (carry out test drive).
Стр. 31из 81 ABS ITT Mk 20 IE On Board Diagnostic (OBD) program

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V.A.G 1551
print-out Possible cause
Repair
01312
Drive train data
bus faulty
1)


or:
ABS control module (w/EDL) -
J104- incorrectly coded

Engine control module
incorrectly coded
Repair group 01 for relevant
engine code - Check ABS control module
(w/EDL) -J104- coding Page 01
-
58
- Check engine control module
coding

Open circuit, short to positive or
Ground in the wiring - Check wiring and connections
using wiring diagram

- Perform electrical checks Page
01-102
Drive train data
bus faulty
1)

Sporadic
Ignition/starter switch turned
too slowly - Erase DTC memory Page 01-56
- No further measures required
- Inform customer
1) The DTC "Drive train data bus" will not cause the ABS warning light -K47- or warning light for
brake system -K118- to light up. The ABS function is retained over the complete range.
Стр. 32из 81 ABS ITT Mk 20 IE On Board Diagnostic (OBD) program

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V.A.G 1551 print-out
Possible cause
Repair
01314
Engine control module
No communication
- Read measured value block
Page 01
-61 display group number
125

Open circuit, short to
positive or Ground in data
bus wiring - Check wiring and connections of
data bus wiring using wiring
diagram
- Perform electrical checks
Page 01
-102
01315
Transmission Control
Module (TCM)
1)
No communication
- Read measured value block
Page 01-61 display group number
125

Open circuit, short to
positive or Ground in data
bus wiring - Check wiring and connections of
data bus wiring using wiring
diagram
- Perform electrical checks
Page 01
-102
1) Vehicles with automatic transmission only.
Стр. 33из 81 ABS ITT Mk 20 IE On Board Diagnostic (OBD) program

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V.A.G 1551 print-
out Possible cause
Repair
01316
Brake control
module
No
communication
Open circuit, short circuit to
positive or Ground in data bus
wiring - Check data bus wiring and
connection using wiring diagram
- Perform electrical checks
Page 01
-102
Стр. 34из 81 ABS ITT Mk 20 IE On Board Diagnostic (OBD) program

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V.A.G 1551
print-out Possible cause
Repair
18256
Check Engine
Control Module
(ECM) memory
DTC in ECM
Repair Manual, Fuel Injection & Ignition, Repair
Group 01 for relevant engine code - Check engine control module DTC memory
65535
Control module
faulty ABS Control
Module (w/EDL)
-J104- faulty Repair Manual, Brake System, Repair Group 45;
Hydraulic unit, brake booster/brake master cylinder -
Assembly overview; Removing and installing control
module and hydraulic unit - Replace ABS control module (w/EDL) -J104-
Стр. 35из 81 ABS ITT Mk 20 IE On Board Diagnostic (OBD) program

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Diagnostic Trouble Code (DTC)
memory, erasing and ending output


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

Test requirements:

DTC memory checked Page 01-28 .

1. Erasing DTC memory

-
Press key.
Rapid data transfer HELP
Select function XX Indicated on display
- Press keys -0- and -5-; 05 enters "Erase
DTC memory" function.
Rapid data transfer Q
05 - Erase DTC memor
y
Indicated on display
- Confirm entry with Q key
Rapid data transfer
DTC memory is erased!
Indicated on display
-
Press key.
Rapid data transfer HELP
Select function XX Indicated on display
Стр. 36из 81 ABS ITT Mk 20 IE On Board Diagnostic (OBD) program

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Warning!
DTC memor
y was not interrogated.
Indicated on display
Note:
Adhere exactly to test sequence: First
check DTC memory, then erase
2. Ending output
- Press keys -0- and -6-, to end output.
Rapid data transfer Q
06 - End output Indicated on display
- Confirm input with Q key.
Rapid data transfer HELP
Select function XX Indicated on display
ABS warning light -K47- and warning light
for brake system -K118- must go out after
approx. 2 seconds. - Switch ignition off.
- Disconnect V.A.G 1551 Scan Tool at
Data Link Connector (DLC).
- Switch ignition on.
Стр. 37из 81 ABS ITT Mk 20 IE On Board Diagnostic (OBD) program

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ABS control module, coding

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

Warning light for ABS -K47- and warning light
for brake system -K118- flash when control
module is coded with 00000. An entry is not set
in the DTC memory.

The ABS control module (w/EDL) -J104- must
be recoded if the vehicle relevant coding is not
displayed or the control module has been
replaced.
Coding is only possible after the workshop code
(WSC) has been entered into the V.A.G 1551
Scan Tool.

Test sequence

- Connect V.A.G 1551 Scan Tool and select
(address word 03) "Brake electronics" with
ignition switched on; Page 01
-23

- Establish which type of ABS hydraulic control
module is installed Page 01
-4 .

- Establish engine code.
Стр. 38из 81 ABS ITT Mk 20 IE On Board Diagnostic (OBD) program

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Rapid data transfer HELP
Select function XX Indicated on display
- Input 07 for "Code control module" and
confirm with Q key.
Rapid data transfer Q
07 - Code control module Indicated on display
- Confirm input with Q key.
Coding control module Q
Enter code number XXXXX
(0-32000)
Indicated on display
- Enter relevant code number for this
vehicle and confirm with Q key.
Coding variations Page 01
-60 .
1J0 907 379 D ABS 20 IE CAN 0001
Coding 03604 WSC 00000
On the display the control module
identification and coding are displayed,
e.g.:
Стр. 39из 81 ABS ITT Mk 20 IE On Board Diagnostic (OBD) program

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01-60


Coding table

Code
number Engine
code Variant

03504 AEG ABS
13504 AEG ABS/EDL
03504 AFP ABS
13504 AFP ABS/EDL
13204 AFP ABS/EDL/ASR
03504 ALH ABS
13504 ALH ABS/EDL
13204 APH ABS /EDL/ASR
Стр. 40из 81
ABS ITT Mk 20 IE On Board Diagnostic (OBD) program
Volkswagen Technical Site: http://v olkswagen.msk.ru http://vwts.info http://vwts.ru
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