Mitsubishi Lancer Evolution 7. Manual — part 251
MANUAL TRANSMISSION - Troubleshooting <ACD>
22A-27
Code No.63 Parking brake switch system
Probable cause
Code No.63 is output when the parking brake switch is ON for more than 15
minutes with the vehicle speed above 15 km/h.
D
Parking brake switch fault
D
Harness or connector fault
D
ABS-ECU fault <Vehicles with ACD and AYC>
D
4WD-ECU fault
OK
NG
YES
NG
(3) OK
(1) OK
Replace the hydraulic unit and
ABS-ECU.
MUT-II Data List
D
No.62 Parking brake switch
(1) Pull the parking brake lever.
OK: ON
(2) Release the parking brake lever.
OK: OFF
OK→Intermittent malfunction (Refer
to GROUP 00 - Points to Note for
Intermittent Malfunctions)
Measure at parking brake switch
connector D-23.
D
Disconnect the connector and
measure at the harness side.
D
Ignition switch: ON
D
Voltage between terminal 1 and
earth
OK: System voltage
Release the parking brake lever.
Does the brake warning lamp go off?
OK
Check the following connector:
D-23
NG→Repair
OK
Replace the combination meter
OK
Check the brake warning bulb.
NG→Replace
Check the parking brake switch.
(Refer to GROUP 36 - On-vehicle
Service.)
NG→Replace
OK
Check and adjust the parking brake
lever stroke. (Refer to GROUP 36 -
On-vehicle Service.)
NG→Adjust
MUT-II Data List
D
No.62 Parking brake switch
(1) Pull the parking brake lever.
OK: ON
(2) Release the parking brake lever.
OK: OFF
NG→Replace the 4WD-ECU.
OK→Intermittent malfunction (Refer
to GROUP 00 - Points to Note for
Intermittent Malfunctions)
NO
OK
Check the following connectors:
<L.H. drive vehicles> C-43, C-26,
C-130
<R.H. drive vehicles> C-43, C-26
NG→Repair
Check the following connectors:
<L.H. drive vehicles with ACD and
AYC> D-23, C-26, C-130, C-43,
C-02, B-123
<R.H. drive vehicles with ACD and
AYC> D-23, C-26, C-43, C-02,
B-123
<L.H. drive vehicles with ACD>
D-23, C-26, C-130, C-43, C-02
<R.H. drive vehicles with ACD>
D-23, C-26, C-43, C-02
NG→Repair
(2) OK
(1) Check the harness between the
parking brake switch and
4WD-ECU.
D
Check for ground and dam-
age of the power line.
(2) Check the harness between the
parking brake switch and
combination meter.
D
Check for ground and dam-
age of the power line.
(3) Check the harness between the
parking brake switch and
ABS-ECU. <Vehicles with ACD
and AYC>
D
Check for ground and dam-
age of the power line.
NG→Repair
OK
Check the harness between the J/C
(4) and 4WD-ECU.
D
Check for open and damage of
the power line.
NG→Repair
MANUAL TRANSMISSION - Troubleshooting <ACD>
22A-28
Code No.65 ABS monitor system
Probable cause
Code No.65 is output when ABS is detected to be operating for more than 1
minute continuously.
D
Harness or connector fault
D
ABS-ECU fault <Vehicles with ACD and AYC>
D
4WD-ECU fault
<Vehicles with ACD and AYC>
OK
(2) NG
(1) NG
MUT-II Data List
D
No.61 ABS monitor
(1) ABS-ECU connector: Disconnected
OK: ON
(2) ABS-ECU connector: Connect
OK: OFF
OK→Intermittent malfunction (Refer to GROUP 00 - Points to
Note for Intermittent Malfunctions)
Check the following connectors:
<L.H. drive vehicles> C-43, B-123
<R.H. drive vehicles> C-43, B-128, B-123
NG→Repair
MUT-II Data List
D
No.61 ABS monitor
OK: OFF
NG→Replace the 4WD-ECU.
OK→Intermittent malfunction (Refer to GROUP 00 - Points to
Note for Intermittent Malfunctions)
OK
Check the following connectors:
<L.H. drive vehicles> C-43, B-123
<R.H. drive vehicles> C-43, B-128, B-123
NG→Repair
Check the harness between the 4WD-ECU and ABS-ECU.
D
Check for short circuit and damage of the output line.
NG→Repair
NG
OK
Measure at 4WD-ECU connector C-43.
D
Disconnect the connector and measure at the harness
side.
D
Voltage between terminal 49 and body earth.
OK: System voltage
OK
Check the harness between the 4WD-ECU and ABS-ECU.
D
Check for open circuit, ground, and damage of the output
line.
NG→Repair
Measure at ABS-ECU connector B-123.
D
Measure the ECU terminal voltage.
D
Voltage between terminal 3 and body earth.
D
Implement ABS actuator test (No.05: ABS signal).
OK: Below 1 V for 10 seconds while executing , after
which system voltage.
NG→Replace the hydraulic unit and ABS-ECU.
OK
Check the following connector: C-43
NG→Repair
<Vehicles with ACD>
OK
Check the following connectors:
<L.H. drive vehicles> C-43
<R.H. drive vehicles> C-43, C-08
NG→Repair
Check the harness between 4WD-ECU and body earth.
D
Check for open circuit and damage of the power line
NG→Repair
NG
OK
Measure at 4WD-ECU connector C-43.
D
Disconnect the connector and measure at the harness
side.
D
Resistance between terminal 50 and body earth
OK: 2 Ω or less
OK
Replace the 4WD-ECU.
Check the following connector: C-43
NG→Repair
MANUAL TRANSMISSION - Troubleshooting <ACD>
MANUAL TRANSMISSION - Troubleshooting <ACD>
22A-29
Code No.74 Proportional valve <ACD> system
Probable cause
Code No.74 is output when open circuit or short circuit of the control circuit of
the proportional valve <ACD> has occurred.
D
Proportional valve <ACD> fault
D
Harness or connector fault
D
4WD-ECU fault
OK
OK
OK
Replace the hydraulic unit.
NG
NG
MUT-II Data List
D
No.11 Proportional valve current <ACD>
OK: Refer to P.22A-35 (Data List Reference Table).
OK→Intermittent malfunction (Refer to GROUP 00 - Points to
Note for Intermittent Malfunctions)
MUT-II Data List
D
No.11 proportional valve current <ACD>
OK: Refer to P.22A-35 (Data List Reference Table).
NG→Replace the 4WD-ECU.
OK→Intermittent malfunction (Refer to GROUP 00 - Points to
Note for Intermittent Malfunctions)
OK
Measure at proportional valve <ACD> connector F-27.
D
Disconnect the connector, and measure at the proportional
valve.
D
Resistance between terminals 2 and 3.
OK: Below 4.7 Ω
Measure at proportional valve <ACD> connector F-27.
D
Disconnect the connector and measure at the harness
side.
D
Resistance between terminal 2 and body earth.
OK: 2 Ω or less
Check the harness between the proportional valve <ACD> and
body earth.
D
Check for open circuit and damage of the earth line.
NG→Repair
Check the following connectors: F-27, F-24
NG→Repair
OK
Check the following connectors:
<L.H. drive vehicles> F-27, F-24, C-134, C-130, C-44
<R.H. drive vehicles> F-27, F-24, C-134, C-44
NG→Repair
OK
Check the harness between the 4WD-ECU and proportional
valve <ACD>.
D
Check for open circuit, ground, and damage of the output
line.
NG→Repair
Code No.81 Electric pump relay system
Probable cause
Output when the coil circuit of the electric pump relay has open circuited or
short circuited.
D
Electric pump relay fault
D
Harness or connector fault
D
4WD-ECU fault
OK
OK
NG
Replace the electric pump relay.
NG
NG
MUT-II Actuator Test
D
No.12 Electric pump drive
OK: The operating sound of the electric pump can be
heard.
OK→Intermittent malfunction (Refer to GROUP 00 - Points to
Note for Intermittent Malfunctions)
OK
Check the harness between the electric pump relay and body
earth.
D
Check for open circuit and damage of the earth line.
NG→Repair
Check the following connector: B-139
NG→Repair
OK
Check the following connectors:
<L.H. drive vehicles> B-139, C-44
<R.H. drive vehicles> B-139, C-147, C-44
NG→Repair
Check the electric pump relay. (Refer to P.22A-57.)
Measure at electric pump relay connector B-139.
D
Disconnect the connector and measure at the harness
side.
D
Resistance between terminal 1 and body earth
OK: 2 Ω or less
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)
OK
Check the harness between the 4WD-ECU and electric pump
relay.
D
Check for open circuit, short circuit, and damage of the
power line.
NG→Repair
MANUAL TRANSMISSION - Troubleshooting <ACD>
22A-30
Code No.82 Electric pump relay system
Probable cause
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.
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
OK
OK
NG
NG
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)
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
OK
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
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
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
NO
Is the fluid amount in the reservoir tank appropriate?
YES
Is the fluid leaking?
NO→Replenish the fluid.
Repair the leaking location.
YES
NO
MUT-II Diagnosis Code
D
Are Diagnosis Code Nos.45, 46, or 47 output?
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.)
NO
MUT-II Diagnosis Code
D
Is the Diagnosis Code No.81 output?
OK
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.
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