2000 AUDI A4 Brakes ESP DTC Table Workshop Manual

01-371

Printed output from VAG1551
Scan Tool (ST) Possible cause
Corrective action
DTC
00302
ABS solenoid valve relay -J106-

Voltage supply too low for ABS solenoid valve
relay -J106- (terminal 30).
- Carry out "Electrical test", step
22 page 01
-323
.
Continuation:

ABS solenoid valve relay -J106- or ABS
hydraulic unit -N55- malfunctioning.
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01-372

Printed output from
VAG1551 Scan Tool (ST) Possible cause
Corrective action
DTC
00526
Brake light switch -F-
Open circuit
Left brake light -M9- or right brake light -
M10- malfunctioning. Open circuit in wiring between brake lights
and the ABS control module -J104-. Electrical Wiring Diagrams,
Troubleshooting & Component Locations - Check the wiring. Carry out "Electrical
test", step 26 page 01
-323
.
- Replace bulbs.


See continuation on next
page
ABS control module -J104- malfunctioning
Repair Manual, Brake System, Repair
Group 45
- If the malfunction cannot be fixed,
replace the ABS control module -J104-.
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01-373

Printed output from
VAG1551 Scan Tool
(ST) Possible cause
Corrective action



DTC
00526
Continuation:
Brake light switch -F-
Implausible signal
The brake light switch is not adjusted
correctly.
Note: The brake light switch must be
adjusted exactly. - Check brake light switch, "Read measuring
value block", display group 2 page 01
-256



Open circuit/short circuit to B+ or Ground
(GND) in wiring between brake light switch -
F- and the ABS control module -J104-. - Check wiring between brake light switch -F-
and the ABS control module -J104-. Carry out
"Electrical test", step 26 page 01
-323
.

See continuation on
next page
Brake light switch malfunctioning.
Repair Manual, Brake System, Repair
Group 46
- If the malfunction cannot be fixed. replace
the brake light switch.
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01-374

Printed output from VAG1551
Scan Tool (ST) Possible cause
Corrective action
DTC
00526
Brake light switch -F-
Implausible signal

Continuation:
ABS control module -J104-
malfunctioning
Repair Manual, Brake System, Repair Group 45

- If the malfunction cannot be fixed, replace the
ABS control module -J104-.

Master brake cylinder
malfunctioning.
Repair Manual, Suspension, Wheels, Steering,
Repair Group 47
- Check the master brake cylinder, and replace if
necessary.

Brake booster malfunctioning
Repair Manual, Suspension, Wheels, Steering,
Repair Group 47
- Check the brake booster, and replace if
necessary.
Pa
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pair&id=AUDI.B5.SU02.01.17

01-375
DTC table; DTCs from 00532 to 01421

Printed output from VAG1551 Scan Tool
(ST) Possible cause
Corrective action
DTC
00532
Voltage supply
See continuation on next page
This malfunction affects the voltage supply
of the control module.
This DTC is only stored, if it occurs the first
time the vehicle exceeds 6 km/h.
As soon as the supply voltage is again
within the valid voltage range, the system
is switched back on and the warning lights
turn off.
Open circuit or resistance too high
between voltage supply of terminal 15
and ABS control module -J104-
(terminal 1). Open circuit or resistance too high in
the Ground (GND) supply to ABS
control module -J104- (terminals 28
and 29). Voltage jumps in vehicle system. Electrical Wiring Diagrams,
Troubleshooting & Component
Locations
Electrical Wiring Diagrams,
Troubleshooting & Component
Locations
Repair Manual, Electrical
Equipment, Repair Group 27, Battery
- "Read measuring value block"
function 08 page 01
-256
,
display group 6.
- Carry out "Electrical test",
step 21 page 01
-323

- Check Generator (GEN) and
Voltage Regulator (VR). - Check battery
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01-376

Printed output from VAG1551 Scan Tool
(ST) Possible cause
Corrective action
DTC
00532
Continuation:
Voltage supply
Signal too small

This malfunction affects the voltage supply
of the control module.
This DTC is only stored, if it occurs the first
time the vehicle exceeds 6 km/h.
As soon as the supply voltage is again
within the valid voltage range, the system
is switched back on and the warning lights
turn off.
Open circuit or resistance too high
between voltage supply of terminal 15
and ABS control module -J104-
(terminal 1). Open circuit or resistance too high in
the Ground (GND) supply to ABS
control module -J104- (terminals 28
and 29). Voltage jumps in vehicle system. Electrical Wiring Diagrams,
Troubleshooting & Component
Locations
Electrical Wiring Diagrams,
Troubleshooting & Component
Locations
Repair Manual, Electrical
Equipment, Repair Group 27, Battery
- "Read measuring value block"
function 08 page 01
-256
,
display group 6.
- Carry out "Electrical test",
step 21 page 01
-323

- Check Generator (GEN) and
Voltage Regulator (VR). - Check battery
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01-377

Printed output from
VAG1551 Scan Tool (ST) Possible cause
Corrective action
DTC
00597
Varying wheel speed
impulse
Wheel or tire sizes not the same on all four
wheels. - Check wheel and tire sizes.

ABS wheel speed sensor rotor dirty or
damaged.
Repair Manual, Brake System, Repair
Group 45
- Check rotor.


Excessive wheel bearing play.
Repair Manual, Suspension, Wheels,
Steering, Repair Group 40

Repair Manual, Suspension, Wheels,
Steering, Repair Group 42
- Check wheel bearing


ABS wheel speed sensors -G44-, -G45-, -G46-
, and -G47- installed incorrectly.
ABS wheel speed sensors -G44-, -G45-, -G46-
, and -G47- malfunctioning Repair Manual, Brake System, Repair
Group 45
- Check ABS wheel speed sensors.
- Carry out "electrical test", steps 7
through 10 page 01
-318
.
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01-378

Printed output from
VAG1551 Scan Tool
(ST) Possible cause
Corrective action
00778
Steering angle sensor -
G85-
no communication
Open circuit or loose contact in data-BUS
wires between steering angle sensor -G85-
and ABS control module (w/EDL) -J104- - Check fuses, wires and harness
connectors as well as voltage supply to the
control module: test step no. 13 page
01
-323

Check specified values of:

Steering angle sensor -G85-- Read measuring value block, function 08
page 01
-256
, display group number 004


Steering angle sensor -G85- malfunctioning
Repair Manual, Brake System, Repair
Group 45
- Replace steering angle sensor.

- Code the ABS control module (w/EDL) -
J104- page 01
-234

- Then perform zeroing procedure page 01
-243

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