Mitsubishi Electric Lancer Evolution-VII Workshop Manual page 1231

13A-94
From the previous page
OK
Measure at the C-126 engine-ECU
connector.
D Measure the engine-ECU terminal
voltage.
D Ignition switch: ON
D Voltage between terminal No. 8
and earth
OK: System voltage
OK
Check the following connectors: C-128 <R.H. drive vehicles>,
C-130 <L.H. drive vehicles>, C-102, C-209, C-210, C-201
OK
Check the harness between the ignition switch and A/C
compressor relay.
D Check for damage of the power cable.
OK
Check the following connector: C-136 <R.H. drive vehicles>,
A-43 <L.H. drive vehicles>
OK
Check the harness between the battery and A/C compressor
relay.
D Check for damage of the power cable.
OK
Check the harness between the A/C compressor relay and
engine-ECU.
D Check for damage of the earth cable.
OK
Check the harness between the A/C compressor relay and
A/C compressor.
D Check for damage of the output cable.
OK
Replace the A/C compressor magnetic clutch.
MPI -
Troubleshooting
NG
Check the following connector: C-126
Check the harness between the A/C
compressor relay and engine-ECU.
D Check for disconnection and
damage of the earth cable.
MUT-II Data list
D No. 49: A/C relay
D Engine: Idling
D A/C setting temperature
When room temperature is 25_
or more: Max Cool
When room temperature is 25_
or less: Max Hot
D A/C switch: ON
OK: ON
D A/C switch: OFF
OK: OFF
Replace the engine-ECU.
NG
NG
NG
NG
NG
NG
NG
OK
NG
OK
OK
NG
Repair
Repair
Repair
Repair
Repair
Repair
Repair
Repair
Intermittent malfunction (Refer to
GROUP 00 - Points to Note for
Intermittent Malfunctions.)