13, Speed Sensor N3

P0715

NOTE:
- The speed sensors are housed in the electrical part of the hydraulic control unit.
- If a speed sensor is faulty, the complete electrical part of the hydraulic control unit must be replaced.

13, Speed sensor n3
This checks if the speed sensor signal n3 is present.

Diagnostic conditions
- Ignition on
- Engine speed [>] 450 min-1
- Vehicle speed [>] 30 km/h (18.75 mph)
- Straight ahead at constant speed
- No gearshift active
- Transmission in third or fourth gear

Possible cause of fault
- Short circuit to B+/ground/between wires or open circuit
- Speed sensor n3 faulty
- Tiptronic control unit faulty

Affected pins
Plug A: Pin 35

Diagnosis/troubleshooting

Part 1:

Part 2: