Alfa Romeo Selespeed system

Home - Home Basic Selespeed Concept - Introduction - System components Hydraulic system - Overview - Operation 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

FAULTS and TROBLESHOOTINGS

The gear flashes on the display

Symptom/conditions: The gear flashes on the display * Travelling with any gear engaged

Step Operations Test results

0 Gear engagement All OK Problems found Intervention

With the engine off and key on MAR engage the gear that caused the problem. Continue with step 1

1 Connector (20 pins) for car wiring/hydraulic unit inter-connection check All OK Problems found Intervention

"Stress" the 20-pin connector and check that the gear does not flash on the display There is no flashing. Continue with step 3 The gear flashes on the display Restore /replace the 20-pin connector

2 Check that the problem is no longer present. All OK Problems found Intervention

The fault is no longer present End of procedure The problem persists Go to step 3

3 Engagement /selection connectors potentiometers check All OK Problems found Intervention

"Stress" the engagement/selection connectors and check that gear does not flash on the display There is no flashing. Continue with step 5 The gear flashes on the display Restore /replace the pre-wiring

4 Check that the problem is no longer present. All OK Problems found Intervention

The fault is no longer present End of procedure The problem persists. Go to step 5

5 Engagement/selection potentiometers replacement All OK Problems found Intervention

Replace the potentiometers.     Insert tool n.1870753001 then replace the engagement and selection potentiometers

6 Check that the problem is no longer present. All OK Problems found Intervention

The fault is no longer present End of procedure The problem persists. Go to step 7

7 The problem persists All OK Problems found Intervention

Contact technical assistance for additional information on the problem