Mitsubishi Electric Lancer Evolution-VII Workshop Manual page 439

54A-16
INSPECTION PROCEDURE FOR TROUBLE SYMPTOMS
Inspection procedure 1
Speedometer inoperative (other meters are operated)
Failure may occur on engine-ECU system, harnesses, connectors, meter
assembly.
MUT-II Self-Diag. Code
Is diagnostic code P0500 for MPI output?
Check the following connectors:
<L.H. drive vehicles> C-01, C-29, C-130, B-03
<R.H. drive vehicles> C-01, C-102, C-130, B-03
Check trouble symptom.
Check harnesses:
D Combination meter to engine-ECU.
Check trouble symptom.
Check for input signal from ETACS-ECU with MUT-II
D Vehicle speed signal (engine-ECU)
Replace meter assembly.
NOTE
When vehicle speed signal is checked with MUT-II in the ETACS-ECU input signal test, drive the vehicle
with MUT-II connected to diagnostic connector. When the buzzer sounds, this test is evaluated OK.
Inspection procedure 2
Tachometer inoperative (other meters are operated)
No input of ignition signal from engine, or failure may occur on power and earth
circuits of meter.
MUT-II Self-Diag. Code
Is DTC P0300 for MPI output?
Check the following connectors:
<L.H. drive vehicles> C-01, C-129, C-108, C-118
<R.H. drive vehicles> C-01, C-128, C-108, C-118
Check trouble symptom.
Check harnesses:
D Combination meter to engine-ECU
Repair
CHASSIS ELECTRICAL -
NO
OK
NG
OK
NG
OK
NO
OK
NG
Combination Meter
Probable cause
D Engine-ECU fault
D Harness or connector fault
D Meter assembly fault
YES
Perform troubleshooting for MPI (Refer to GROUP 13A -
Troubleshooting)
NG
Repair
NG
Repair
NG
Replace engine-ECU
Probable cause
D Harness or connector fault
D Meter assembly fault
YES
Perform troubleshooting for MPI (Refer to GROUP 13A -
Troubleshooting.)
NG
Repair
OK
Replace meter assembly.