Audi Workshop Service and Repair Manuals > A3 Mk1 > Power transmission | Automatic gearbox 01M, self-diagnosis | Self diagnosis, V.A.G Inspection Service | Electrical check | Checking vehicle speed sender G68 with 3-pin connector

Checking gearbox speed sender G38 with 2-pin connector > < Checking multi-function switch F125 with 8-pin connector

Checking vehicle speed senderG68 with 3-pin connector

Checking vehicle speed sender -G68- with 3-pin connector

–	Press release tabs -arrows B- on the sides to unplug electrical connector and pull off upwards.

A38-0053

–	Connect multimeter for resistance measurement between contacts on the 3-pin connector and the sockets on adapter cable, (68-pin) -V.A.G 1598/18A- (test box), as shown in the following table.

l	Specification: in each case less than 1.5 Ω.

V28-1074

Connector Contact	-V.A.G 1598/18A- Socket	Connector Contact	-V.A.G 1598/18A- Socket
1	65	3	43
2	20

Note

t	If readout does not match specification, rectify open circuit in wiring according to current flow diagram and check connector for contact corrosion, moisture and leaks.

t	If readout obtained in this wiring check matches specification, vehicle speed sender -G68- must be renewed → Rep. Gr.38.

Power transmission
Automatic gearbox 01M, self-diagnosis / Self diagnosis, V.A.G Inspection Service
Electrical check
Checking vehicle speed sender G68 with 3-pin connector

Checking gearbox speed sender G38 with 2-pin connector > < Checking multi-function switch F125 with 8-pin connector