Mitsubishi FUEL Manual page 260

13I-66
Cord No. P1610 Immobilizer system
Range of Check
D Ignition switch: ON
Set Conditions
D Improper communication between the engine-ECU <M/T> or engine-A/T-ECU
<A/T> 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 ID code.
Check the following connectors:
C-81, C-163 <M/T>, C-174 <A/T>
OK
Check the harness wire between the
immobilizer-ECU and the engine-ECU
<M/T> or engine-A/T-ECU <A/T>.
OK
Check the trouble symptoms.
NG
Replace the immobilizer-ECU.
Check the trouble symptoms.
NG
Replace the engine-ECU <M/T> or
engine-A/T-ECU <A/T>.
GDI -
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 <M/T>
D Malfunction of the engine-A/T-ECU <A/T>