1998 VOLKSWAGEN JETTA fuses

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Test requirements

The tires installed to all wheels must be of
the same (approved) size; tires inflated to
prescribed pressure.

Mechanical/hydraulic parts of the brake
system including brake light switch and
brake lights OK.

Hydraulic lines and connections not leaking
(visual check of hydraulic unit, brake
calipers, wheel cylinders, tandem master
brake cylinder).

Wheel bearings and wheel bearing play
OK.

ABS control module (w/EDL) -J104- is
correctly bolted to hydraulic unit -N55-.

Connector on ABS control module (w/EDL)
-J104- correctly plugged-in (retainer is
engaged).

Check contacts of ABS components for
damage and correct seating.

All fuses OK according to wiring diagram
(remove fuse from fuse holder to check).

Supply voltage OK (at least 10.0 V).
Стр. 2из 81 ABS ITT Mk 20 IE On Board Diagnostic (OBD) program

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Test requirements

Switch ignition and electrical
consumers off before beginning the
check (headlights, lighting, fan ...).

Fuses S9, S13, S178 and S179 must
be OK (remove fuses from fuse holder
to check).

Removing air cleaner
- Pull connector -2- off mass air flow
sensor.
- Release spring-type clip -1- on air duct
hose with pliers V.A.G 1921 and pull
hose off air cleaner.
- Remove air cleaner bolts -3- and take
out air cleaner -4-.
Стр. 3из 31 ABS, ABS/EDL and ABS/EDL/ASR ITT Mark 20 IE, electrical check

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On Board Diagnostic (OBD),
performing
Test prerequisites for OBD

The tires installed to all wheels must be of
the same (approved) size; tires inflated to
prescribed pressure.

Mechanical/hydraulic parts of the brake
system including brake light switch and
brake lights OK.

Hydraulic lines and connections not leaking
(visual check of hydraulic unit, brake
calipers, wheel cylinders, tandem master
brake cylinder).

ABS Control Module (w/EDL) -J104- is
correctly bolted to ABS Hydraulic Unit -
N55-.

Connector on ABS Control Module (w/EDL)
-J104- correctly plugged-in (retainer is
engaged).

Check contacts of ABS components for
damage and correct seating.

All fuses according to wiring diagram OK
(remove fuse from fuse holder to check).

Supply voltage OK (at least 10.0 V).
Стр. 1из 129 On Board Diagnostic (OBD), performing

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V.A.G 1551 print-out
Possible cause
Repair
01276
ABS hydraulic pump -
V64-
Electrical malfunction in
current circuit
1)
Battery positive fuse faulty- Check fuses


Open circuit, short to positive
or ground in the wiring - Check wiring and
connections using wiring
diagram
- Perform electrical check
Page 01
-288

Hydraulic pump -V64- faulty
Repair Manual, Brake
System, Repair Group 45
Replace ABS hydraulic unit
-N55-
1) This DTC is only recognized above 20 km/h (13 mph) (carry out test drive).
Стр. 57из 129 On Board Diagnostic (OBD), performing

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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