audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Board Computer - Repair and Troubleshooting Guide|Page 6033 > < Board Computer - Repair and Troubleshooting Guide|Page 6031
Page 4
background image

Speedometer sensor, checking

-

disconnect wiring from speedometer sensor

Fuel Sensor Connector

-

connect voltmeter to outer contacts of fuel sensor connector

-

switch ignition ON

^

specified value: 12.0 V

If specified value is not attained, - repair break in wiring

If specified value is attained, - remove speedometer sensor from transmission

Speedometer Cable

-

reconnect wires to speedometer sensor

-

connect voltmeter between contacts 2 and 3

-

switch ignition ON

-

turn speedometer cable clockwise

^

specified value: 0.0 to 8.0 V (pulsing voltage reading)

-

switch ignition OFF

If specified voltage is not attained, - replace speedometer sensor

If specified voltage is attained.

Board Computer - Repair and Troubleshooting Guide|Page 6033 > < Board Computer - Repair and Troubleshooting Guide|Page 6031