Volkswagen Golf 1999 Service Manual page 4150

Instrument cluster m.y. 2000 through m.y. 2001, On Board Diagnostic (OBD)
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Instrument cluster m.y.
2000 through m.y. 2001, On
Board Diagnostic (OBD)
General information
The instrument cluster contains an electronic
speedometer, tachometer, liquid crystal
(LCD) displays for odometer, trip
odometer/clock, as well as analog coolant
temperature and fuel level gauges. Control
and warning lamps are situated within and
between the speedometer and tachometer.
Automatic transmission models also contain
an LCD gear indicator display.
Where available, an LCD multi-function trip
computer (MFI) with two operating modes is
located in the tachometer display. The MFI
includes selectable displays for trip
time/mileage, average trip speed, average
trip fuel consumption and outside
temperature.
The instrument cluster is controlled by an
internal microprocessor with On Board
Diagnostic (OBD) capability. If malfunctions
occur in monitored sensors and
components, Diagnostic Trouble Codes
(DTC) will be stored in memory together with
an indication of malfunction type. A
maximum of 4 DTCs can be stored
simultaneously.
Sporadic malfunctions (indicated in the
readout by "SP") are automatically cancelled
if not repeated in the next 50 engine starts.
Instrument clusters from m.y. 2000
integrated into the "Powertrain" CAN Data
Bus network (may also be known as "CAN-
Bus" or "Data-Bus").
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