Mitsubishi Electric Lancer Evolution-VII Workshop Manual page 1209

13A-72
Inspection Procedure 14
Knocking
Causes shown on right are suspected.
MUT-II Self-Diag code
D Is a diagnosis code output?
Check the spark plug cable.
(Refer to GROUP 16 - Ignition Device.)
Check the spark plug. (Refer to GROUP 16 - Ignition Device.)
Check the following connectors: B-114, B-119
Check the ignition coil parts.
(Refer to GROUP 16 - Ignition Device.)
Check the harness and connector between each cylinder's ignition
coil and body earth and between engine-ECU and ignition coil for
disconnection, short-circuit or damage.
Check the Code No. P0325: Detonation sensor system.
(Refer to P.13A-34.)
MPI -
Troubleshooting
NO
OK
OK
OK
OK
OK
Probable cause
D Detonation sensor malfunction
D Knocking control system malfunction
D Spark plug malfunction
D Ignition system malfunction
D Engine-ECU malfunction
YES
INSPECTION CHART FOR DIAGNOSIS CODE
(Refer to P.13A-12.)
NG
Replace the spark plug cable.
NG
Replace the spark plug.
NG
Repair
NG
Replace the ignition coil.
NG
Repair