Audi Workshop Service and Repair Manuals

Trip Computer: Technical Service Bulletins
Terminal Identification

TERMINAL IDENTIFICATION

Terminal Identification
Terminal

Wire Color

Function

1

vacant

2

white/red

12 volts from
minimum/maximum illumination button

3

vacant

4

red/black/yellow          

Engine speed signal

from Terminal #7 of Hall ignition control unit

5

red/yellow

Signal from speed
sensor (4 ground pulses per revolution)

6

blue/green

Left tilt of trip
computer switch. Switches to ground.

Terminal Wire Color

Function

7

blue/green

Right tilt of trip

computer switch. Switches to ground.

8

gray/red

To external light
sensor

9

green/violet

From reset button of
trip computer switch. Switches to ground.

10

yellow/black

8 volts from Terminal
#18 of fuel injection control unit and sensor
plate potentiometer.

11,12

white/yellow

12 volts from
Terminal X (ignition on)

Terminal Wire Color

Function