Automatic gearbox (Stepspeed Em-CVT) (Fault diagnosis): Description and operation

FAULT DIAGNOSIS

Before commencing any gearbox fault diagnosis check that:

• The engine is correctly tuned
• The gearbox fluid and fluid level is correct
• The selector cable is correctly adjusted
• All gearbox and GIU connectors are correctly assembled.

The following tables list possible faults and corrective action required. If the fault remains after the corrective action has been applied, then the gearbox must be replaced.

The tables show tests which can be carried out to determine the fault. The tests are detailed at the end of this section.

Fault: Engine will not start in ’P’ or ’N’

Fault: Park lock does not hold vehicle

Fault: Vehicle moves when ’N’ is selected

Fault: Engine can be started in ’D’ or ’R’ positions