Mitsubishi Electric Lancer Evolution-VII Workshop Manual page 937

22A-30
MANUAL TRANSMISSION - Troubleshooting <ACD>
Code No.82 Electric pump relay system
Code No.82 is output when the pressure sensor does not reach the specified
value even if the 4WD-ECU has output the electric pump motor drive command.
Is the fluid amount in the reservoir tank appropriate?
MUT-II Diagnosis Code
D Are Diagnosis Code Nos.45, 46, or 47 output?
MUT-II Diagnosis Code
D Is the Diagnosis Code No.81 output?
MUT-II Actuator Test
D No.12 Electric pump drive
OK: Operating sounds of the electric pump can be heard.
OK→Intermittent malfunction (Refer to GROUP 00 - Points to
Note for Intermittent Malfunctions)
Measure at electric pump relay connector B-139.
D Disconnect the connector and measure at the harness
side.
D Voltage between terminal 5 and earth
OK: System voltage
Check the following connector: B-139
NG→Repair
Check the harness between the fusible link No.7 and electric
pump relay.
D Check for open, ground and damage of the power line.
NG→Repair
YES
NO
NO
NG
NG
OK
Probable cause
D Insufficient fluid
D Pressure sensor fault
D Electric pump relay fault
D Hydraulic unit fault
D Harness or connector fault
D 4WD-ECU fault
NO
Is the fluid leaking?
NO→Replenish the fluid.
Repair the leaking location.
YES
Check code Nos. 45, 46, and 47 pressure sensor system.
(Refer to P.22A-19, 20.)
YES
Code No.81 Check the electric pump relay system (Refer to
P.22A-29.)
OK
Check the following connectors:
<L.H. drive vehicles> B-139, C-42, C-45, F-23
<R.H. drive vehicles> B-139, F-23
NG→Repair
Check the harness between the electric pump relay and body
earth.
D Check for open circuit and damage on earth line
NG→Repair
Replace the hydraulic unit.
MUT-II Actuator Test
D No.12 Electric pump drive
OK: Operating sounds of the electric pump can be heard.
NG→Replace the 4WD-ECU.
OK→Intermittent malfunction (Refer to GROUP 00 - Points to
Note for Intermittent Malfunctions)
YES
OK
OK