Mitsubishi FUEL Manual page 44

13A-44
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-38 <M/T>, C-174 <A/T>, C-81,
C-173
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>.
MPI <4G6> -
NG
Repair
NG
Replace
Troubleshooting
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>