MAINTENANCE WORK ON FRAME AND ENGINE 172
– Switch off the ignition by turning the orange programming key to the OFF position .
– Pull out the orange programming key.
– Insert the black ignition key in the ignition lock.
– Switch off the ignition by turning the black programming key to the position ON .
EFI warning lamp (MIL) lights up, switches off, and then starts to flash.
The immobilizer indicator lamp lights up, switches off briefly, and switches
on again.
– Switch off the ignition by turning the black programming key to the position OFF .
– Remove the black ignition key.
– To activate further ignition keys, repeat the last 4 steps with the respective ignition
key.
– Insert the orange programming key in the ignition lock.
– Switch on the ignition by turning the orange programming key to the ON position .
EFI warning lamp (MIL) lights up, switches off, and then starts to flash.
The immobilizer indicator lamp lights up, switches off briefly, and flashes
according to the number of functioning black ignition keys including the orange
programming key.
– Switch off the ignition by turning the orange programming key to the OFF position .
– Pull out the orange programming key.
All black ignition keys are activated included in this job sequence are activated.