Mitsubishi Lancer Evolution-VII Workshop Manual page 150

DISPOSITION WHEN REPLACING IMMOBILIZER SYSTEM RELATED PARTS
To replace immobilizer related parts, observe the table below. When the ignition key is re-registered with
the MUT-II, the originally registered ignition key registration information will be lost.
When replacing engine-ECU –
When rewriting engine-ECU
ECU
When adding ignition key
newly
When ignition key is lost
Ignition key
Transponder
EQUIPMENT – Immobilizer System
Engine-ECU Immobilizer-ECU
Replacement required
– Replacement not required
Replacement not re- –
quired
Replacement not re- Replacement not required
quired
Replacement not re- Replacement not required
quired
Integrated immobilizer-ECU and antenna
Power
Encrypted code
Steering lock key cylinder and
immobilizer-ECU
Ignition key
Replacement and re-registration
are required.
Replacement not required, re-
registration not required
Replacement not required, regis-
tration are required
Register an additional ignition key
and re-register all other ignition keys.
re-register all other ignition keys
except the lost one.
Start of permis-
sion signal
Engine-ECU
MUT-II
Registration
of ignition key
7-5