Volkswagen Golf / Golf GTI / Jetta. Manual — part 920

01-17

VAG 1551
printout

Possible cause

Corrective actions

00532

Supply
Voltage
(B+)

Signal too
large

1)

Generator (GEN)
malfunctioning

- Check voltage (terminal 15) using
function 08 Read measuring value block

Page 01-43

- Check generator

Electrical Wiring

Diagrams, Troublehooting & Component
Locations binder

Signal too
small

1)

Wires or connectors to
Climatronic Control Module -
J255-

- Check voltage (terminal 15) using
function 08 Read measuring value bock

Page 01-43

- Repair wires and connectors to control
module using wiring diagram

- Check generator

Electrical Wiring

Diagrams, Troublehooting & Component
Locations binder

1)

One of these messages will be displayed in addition to indication of relevant

component.

Climatronic On Board Diagnostic (OBD) through m.y. 2001

13/2/2005

01-18

VAG 1551
printout

Possible cause

Corrective actions

00538

Reference
voltage

Signal too
large

1)

Signal too
small

1)

Short circuit or open circuit in
wiring or connectors. Pay
special attention to the wires
from contact 8 of connector
housing T16b on Climatronic
control module -J255- to flap
motors.

- Check wiring and connectors to control
module using wiring diagram.

- Check function of flap motors for
regulating air conditioner using function
03 Output Diagnostic Test Mode (DTM)

Page 01-32

Flap position sensors -G92-, -
G112-, -G113- or -G114-
malfunctioning .

- Disconnect electrical connectors to
listed sensors one after another, erase
DTC memory (

Page 01-39

) and

check DTC memory again (

Page 01-

12

). If the "Reference voltage"

malfunction is no longer recognized (and
the DTC reappears after reconnecting),
the applicable flap motor must be
replaced.

Control module malfunctioning

- Replace control module if necessary.
Then select the following functions one
after another: 07 Code control module

Page 01-41

& 04 Basic setting

Page 01-35

.

1)

One of these messages will be displayed in addition to indication of relevant

component.

Climatronic On Board Diagnostic (OBD) through m.y. 2001

13/2/2005

01-19

VAG 1551 printout

Possible cause

Corrective actions

00603

Footwell/Defroster
Flap Motor -V85-

Short circuit or open circuit in
wiring or connectors to
footwell/defroster flap motor -
V85-

- Perform function 03
Output Diagnostic Test
Mode (DTM)

Page 01-

32

.

- Check -V85- using
function 08 Read
measuring value block

Page 01-43

- Repair wiring and
connectors using wiring
diagram

-V85-malfunctioning

1)

- Replace -V85-. Then
select function 04 Basic
setting

Page 01-35

1)

This DTC is recognized in function 04 Basic setting, function 03 Output Diagnostic

Test Mode (DTM), and in normal operation. Flap must reach both end stops.

Climatronic On Board Diagnostic (OBD) through m.y. 2001

13/2/2005

01-20

VAG 1551
printout

Possible cause

Corrective actions

00779

Outside Air
Temperature
Sensor -G17-

Open/short circuit
to B+

1)

Short to positive or open circuit in
wiring or connectors to outside
temperature sensor -G17-

- Check -G17- using
function 08 Read
measuring value block

Page 01-43

- Repair wiring or
connectors using wiring
diagram.

Short circuit to
Ground

1)

Short circuit to Ground in wiring or
connectors to outside temperature
sensor -G17-.

- Check -G17- using
function 08 Read
measuring value block

Page 01-43

- Repair wiring or
connectors using wiring
diagram.

-G17- malfunctioning

- Replace -G17-

1)

One of these messages will be displayed in addition to indication of relevant

component.

Climatronic On Board Diagnostic (OBD) through m.y. 2001

13/2/2005