Mitsubishi Electric Lancer Evolution-VII Workshop Manual page 1188

Code No.P1610 Immobilizer system <Europe and
General Export-spec. models>
Inspection Range
D Ignition switch: ON
Set Conditions
D Improper communication between the engine-ECU and the immobilizer-ECU
NOTE
(1) If the registered ignition keys are close each other when starting the engine, radio interference may
cause this code to be displayed.
(2) This code may be displayed when registering the key encrypted code.
Check the following connectors:
C-202, C-130, C-118
OK
Check the harness wire between the
immobilizer-ECU and the
engine-ECU, and repair if necessary.
OK
Check the trouble symptoms.
NG
Replace the immobilizer-ECU
Check the trouble symptoms.
NG
Replace the engine-ECU.
MPI -
Troubleshooting
NG
Repair
NG
Replace
Probable cause
D Open or short circuit, or loose connector contact
D Malfunction of the immobilizer-ECU
D Malfunction of the engine-ECU
13A-51