Alfa Romeo Selespeed

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Basic Selespeed Concept

Hydraulic system

System components

- Electro-hydraulic groep
- Solenoid valves and actuators
- Electric pump
- Measuring sensors
- Drivers controls
- Selespeed ecu pin out

System operation

- Overview of operation
- System activation
- Functioning with engine off
- Engine start
- Car start
- Car stop
- Semiautomatic MAN operation
- Automatic CITY operation
- Fault warnings
- Bump start
- Parking the car
- Towing

Routine maintenance

- Selespeed oil level

Faults and troubleshooting

- System diagnostics
- Fault downgrade table
- The car jerks
- Noisy gearbox
- The car doen't start
- Gears are not engaged
- Gears are not engaged CITY mode
- Gears are locked
- Car revs on start on
- Car goes to idle on its own
- During gear shifts car revs
- City> manual uncommanded
- Manual> City uncommanded
- Uncommanded engine switch off
- Selespeed fault flashes on display

Faults and troubleshooting

- P2 - Oil level check
- P3 - Oil leak check
- P4 - Oil pressure check
- P5 - Electric pump op check
- P6 - Clutch stop pin adjustment
- P7 - Brake pedal switch check
- P8 - Buttons on steering wheel and gear level check
- P9 - CITY button check
- P11 - Engagement of all gears with gear shift lever and engine off
- P14 - Clutch drag check
- P17 - Selespeed ecu errors
- P18 - clutch disk speed sensor check with road test

156 2.0 JTS

- Wiring diagrams

SYSTEM COMPONENTS - DRIVERS CONTROLS

Gear selection control lever
The lever has only one stable position (A) and 4 unstable (+, -, N, R).

Gear selection lever

It has four normally open switches, each with two electric resistors (one in parallel at contact, the other in series). To go to a higher gear, push the lever toward (+), to have a lower gear, push toward (-). To insert idle (N) move the control lever to the right Reverse gear (R) can be engaged from any gear, moving the gear lever to the right then back, with the vehicle stationary and the brake pedal pressed.

Gear selection lever electrical connection