MITSUBISHI LANCER EVOLUTION 2007 Service Repair Manual

MANUAL TRANSMISSION - Troubleshooting <ACD>22A-23
Code No.56 Lateral G sensor systemProbable cause
Code No.56 is output when the output signal of the lateral G sensor is below
0.5 V or above 4.5 V.DHarness or connector fault
DLateral G sensor fault
DABS-ECU fault <Vehicles with ACD and AYC>
D4WD-ECU fault
OK
OK
(1) NG
NG
Check the following connectors:D-33, C-213, C-210
NG→Repair
MUT-IIData List
DNo.15 Lateral G sensor voltage
OK:Refer to P.22A-35 (Data List Reference Table).
OK→Intermittent malfunction (Refer to GROUP 00 - Points to
Note for Intermittent Malfunctions)
Check the harness between the lateral G sensor and ignition
switch.
DCheck for the open circuit, ground and damage of the
power line.
NG→Repair
Measure at lateral G sensor connector D-33.
DDisconnect the connector and measure at the harness
side.
DIgnition switch: ON
(1) Voltage between terminal 1 and earth.
OK:System voltage
(2) Resistance between terminal 3 and earth.
OK:2Ωor less
(2) NG
OK
Check the following connectors:
<Vehicles with ACD and AYC> D-33, C-128, B-123
<L.H. drive vehicles with ACD> D-33, C-128, C-44
<R.H. drive vehicles with ACD> D-33, C-44
NG→Repair
OK
Check the harness between the lateral G sensor and
ABS-ECU. <Vehicles with ACD and AYC>
DCheck for open circuit and damage of the earth line.
Check the harness between the lateral G sensor and
4WD-ECU.<Vehicles with ACD>
DCheck for open circuit and damage of the earth line.
NG→Repair
MUT-IIData List
DNo.15 Lateral G sensor voltage
OK:Refer to P.22A-35. (Data List Reference Table)
NG→Refer to GROUP 35B - Troubleshooting <Vehicles with
ACD and AYC>, or replace the 4WD-ECU <Vehicles with
ACD>.
OK→Intermittent malfunction (Refer to GROUP 00 - Points to
Note for Intermittent Malfunctions)
NGDRemove the lateral G sensor.
DConnect the special tool between the connector D-33 at
the harness of the lateral G sensor connector and the
lateral G sensor.
DIgnition switch: ON
DVoltage between terminal 2 and body earth [when the
lateral G sensor is placed on a horizontal ground]
OK:2.4 - 2.6 V
DVoltage between terminal 2 and body earth [when the
lateral G sensor is placed with the labeled side facing the
side]
OK:3.3 - 3.7 V
Label
D-33 Harness
side connector
LabelMB991348
Replace the lateral G sensor.
OK
OK
Check the following connectors:
<Vehicles with ACD and AYC> D-33, C-44, C-128, B-123
<L.H. drive vehicles with ACD> D-33, C-128, C-44
<R.H. drive vehicles with ACD> D-33, C-44
NG→Repair
OKMUT-IIData List
DNo.15 Lateral G sensor voltage
OK:Refer to P.22A-35. (Data List Reference Table)
NG→Refer to GROUP 35B - Troubleshooting <Vehicles with
ACD and AYC>, or replace the 4WD-ECU.
OK→Intermittent malfunction (Refer to GROUP 00 - Points to
Note for Intermittent Malfunctions)Check the harness between the lateral G sensor and
4WD-ECU.
DCheck for open circuit, ground and damage of the power
line.
Check the harness between the lateral G sensor and
ABS-ECU. <Vehicles with ACD and AYC>
DCheck for ground and damage of the power line.
NG→Repair

MANUAL TRANSMISSION - Troubleshooting <ACD>22A-24
Code No.57 Lateral G sensor systemProbable cause
Code No.57 is output when the G sensor has exceeded the specified value in a
state where the ABS and brake are not operating above the vehicle speed of 10
km/h.DHarness or connector fault
DLateral G sensor fault
DABS-ECU fault <Vehicles with ACD and AYC>
D4WD-ECU fault
OK
NG
MUT-IIData List
DNo.15 Lateral G sensor voltage
OK:Refer to P.22A-35. (Data List Reference Table)
OK→Intermittent malfunction (Refer to GROUP 00 - Points to
Note for Intermittent Malfunctions)
OK
Check the following connectors:
<Vehicles with ACD and AYC> D-33, C-44, C-128, B-123
<L.H. drive vehicles with ACD> D-33, C-128, C-44
<R.H. drive vehicles with ACD> D-33, C-44
NG→Repair NG
Check the Lateral G sensor. (Refer to P.22A-23.)
NG→Replace
OK
MUT-IIData List
DNo.15 Lateral G sensor voltage
OK:Refer to P.22A-35 (Data List Reference Table).
NG→Refer to GROUP 35B - Troubleshooting <Vehicles with
ACD and AYC>, or replace the 4WD-ECU.
OK→Intermittent malfunction (Refer to GROUP 00 - Points to
Note for Intermittent Malfunctions)OK
Check the harness between the lateral G sensor and
4WD-ECU.
DCheck for open circuit, ground and damage of the power
line.
Check the harness between the lateral G sensor and
ABS-ECU. <Vehicles with ACD and AYC>
DCheck for ground and damage of the power line.
NG→Repair
Measure at 4WD-ECU connector C-44.
DMeasure the ECU terminal voltage.
DIgnition switch: ON
DVoltage between terminal 11 and earth.
OK:2.4 - 2.6 V (Vehicle is in the horizontal state)
OK
Check the following connector:C-44
NG→Repair
MUT-IIData List
DNo.15 Lateral G sensor voltage
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)

MANUAL TRANSMISSION - Troubleshooting <ACD>22A-25
Code No.61 Stop lamp switch systemProbable cause
Code No.61 is output when the stop lamp switch is ON for more than 15
minutes when the vehicle speed is above 15 km/h.DBrake pedal fault
DStop lamp switch fault
DHarness or connector fault
D4WD-ECU fault
OK
OK
OK
NG
OK
Check for brake pedal height
(Refer to GROUP 35A – On-vehicle Service.)
NG→Adjust
NG
MUT-IIData List
DNo.56 Stop lamp switch
(1) Depress the brake pedal.
OK:ON
(2) Release the brake pedal.
OK:OFF
OK→Intermittent malfunction (Refer to GROUP 00 - Points to
Note for Intermittent Malfunctions)
OK
Check the following connector:C-103
NG→Repair
Check the stop lamp switch.
(Refer to GROUP 35A - Brake Pedal.)
NG→Replace
NG
OK
Check the following connectors:C-103, C-135
NG→Repair
Check the harness between the stop lamp switch and battery.
DCheck for open circuit or damage of the power line.
NG→Repair
OK
Measure at stop lamp switch connector C-103.
DDisconnect the connector and measure at the harness
side.
DVoltage between terminal 2 and earth
OK:System voltage
Measure at 4WD-ECU connector C-43.
DMeasure the ECU terminal voltage.
DVoltage between terminal 38 and earth
(1) Depress the brake pedal.
OK:System voltage
(2) Release the brake pedal
OK:1 V or less
OK
Check the following connectors:
<L.H. drive vehicles> C-103, C-43, C-108, C-130
<R.H. drive vehicles> C-103, C-43
NG→Repair
OKCheck the harness between the stop lamp switch and stop
lamp.
DCheck for open circuit and damage of the power line.
Check the harness between the strop lamp and body earth.
DCheck for open circuit and damage of the earth line.
NG→Repair
Check the harness between the 4WD-ECU and stop lamp
switch.
DCheck for open circuit and damage of the power line.
NG→Repair
Check the following connector:C-43
NG→Repair
MUT-IIData List
DNo.56 Stop lamp switch
(1) Depress the brake pedal.
OK:ON
(2) Release the brake pedal.
OK:OFF
NG→Replace the 4WD-ECU.
OK→Intermittent malfunction (Refer to GROUP 00 - Points to
Note for Intermittent Malfunctions)
OK
Check the stop lamp bulb.
NG→Replace

MANUAL TRANSMISSION - Troubleshooting <ACD>22A-26
Code No.62 ACD mode switch systemProbable cause
Code No.62 is output when the ACD mode switch is ON for more than 60
seconds.DACD mode switch fault
DHarness or connector fault
D4WD-ECU fault
OK
OK
OK
NG
NG
MUT-IIData List
DNo.63 ACD mode switch
(1) Press the ACD mode switch.
OK:ON
(2) Release the ACD mode switch.
OK:OFF
OK→Intermittent malfunction (Refer to GROUP 00 - Points to
Note for Intermittent Malfunctions)
Check the ACD mode switch. (Refer to P.22A-57.)
NG→Replace
NG
OK
Check the following connectors:
<L.H. drive vehicles> C-142, C-29, C-213, C-210
<R.H. drive vehicles> C-142, C-209, C-210
NG→Repair
OK
Measure at ACD mode switch connector C-142.
DDisconnect the connector and measure at the harness
side.
DIgnition switch: ON
DVoltage between terminal 2 and earth
OK:System voltage
Measure at 4WD-ECU connector C-43.
DMeasure the ECU terminal voltage.
DIgnition switch: ON
DVoltage between terminal 47 and earth
(1) Press the ACD mode switch.
OK:System voltage
(2) Release the ACD mode switch.
OK:1 V or less
OK
Check the following connectors:
<L.H. drive vehicles> C-142, C-128, C-43
<R.H. drive vehicles> C-142, C-43
NG→Repair
OK
Check the harness between the junction block and
combination meter.
DCheck for ground and damage of the power line.
NG→Repair
Check the harness between the 4WD-ECU and ACD mode
switch.
DCheck for open circuit and damage of the power line
NG→Repair
Check the following connector:C-43
NG→Repair
Check the harness between the ACD mode switch and
ignition switch.
DCheck for open circuit or damage of the power line.
NG→Repair
MUT-IIData List
DNo.63 ACD mode switch
(1) Press the ACD mode switch.
OK:ON
(2) Release the ACD mode switch.
OK:OFF
NG→Replace the 4WD-ECU.
OK→Intermittent malfunction (Refer to GROUP 00 - Points to
Note for Intermittent Malfunctions)

MANUAL TRANSMISSION - Troubleshooting <ACD>22A-27
Code No.63 Parking brake switch systemProbable 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.DParking brake switch fault
DHarness or connector fault
DABS-ECU fault <Vehicles with ACD and AYC>
D4WD-ECU fault
OK
NG
YES
NG
(3) OK(1) OKReplace the hydraulic unit and
ABS-ECU.
MUT-IIData List
DNo.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.
DDisconnect the connector and
measure at the harness side.
DIgnition switch: ON
DVoltage 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→ReplaceCheck 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-IIData List
DNo.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) NOOK
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.
DCheck for ground and dam-
age of the power line.
(2) Check the harness between the
parking brake switch and
combination meter.
DCheck 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>
DCheck for ground and dam-
age of the power line.
NG→Repair
OK
Check the harness between the J/C
(4) and 4WD-ECU.
DCheck for open and damage of
the power line.
NG→Repair

MANUAL TRANSMISSION - Troubleshooting <ACD>22A-28
Code No.65 ABS monitor systemProbable cause
Code No.65 is output when ABS is detected to be operating for more than 1
minute continuously.DHarness or connector fault
DABS-ECU fault <Vehicles with ACD and AYC>
D4WD-ECU fault
<Vehicles with ACD and AYC>
OK
(2) NG(1) NG
MUT-IIData List
DNo.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-IIData List
DNo.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.
DCheck for short circuit and damage of the output line.
NG→Repair
NG
OK
Measure at 4WD-ECU connector C-43.
DDisconnect the connector and measure at the harness
side.
DVoltage between terminal 49 and body earth.
OK:System voltage
OK
Check the harness between the 4WD-ECU and ABS-ECU.
DCheck for open circuit, ground, and damage of the output
line.
NG→Repair
Measure at ABS-ECU connector B-123.
DMeasure the ECU terminal voltage.
DVoltage between terminal 3 and body earth.
DImplement 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.
DCheck for open circuit and damage of the power line
NG→Repair
NG
OK
Measure at 4WD-ECU connector C-43.
DDisconnect the connector and measure at the harness
side.
DResistance between terminal 50 and body earth
OK:2Ωor 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> systemProbable cause
Code No.74 is output when open circuit or short circuit of the control circuit of
the proportional valve <ACD> has occurred.DProportional valve <ACD> fault
DHarness or connector fault
D4WD-ECU fault
OK
OK
OK
Replace the hydraulic unit.NG
NG
MUT-IIData List
DNo.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-IIData List
DNo.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.
DDisconnect the connector, and measure at the proportional
valve.
DResistance between terminals 2 and 3.
OK:Below 4.7Ω
Measure at proportional valve <ACD> connector F-27.
DDisconnect the connector and measure at the harness
side.
DResistance between terminal 2 and body earth.
OK:2Ωor less
Check the harness between the proportional valve <ACD> and
body earth.
DCheck 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>.
DCheck for open circuit, ground, and damage of the output
line.
NG→Repair
Code No.81 Electric pump relay systemProbable cause
Output when the coil circuit of the electric pump relay has open circuited or
short circuited.DElectric pump relay fault
DHarness or connector fault
D4WD-ECU fault
OK
OK
NG
Replace the electric pump relay.NG
NG
MUT-IIActuator Test
DNo.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.
DCheck 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.
DDisconnect the connector and measure at the harness
side.
DResistance between terminal 1 and body earth
OK:2Ωor less
MUT-IIActuator Test
DNo.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.
DCheck 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 systemProbable 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.DInsufficient fluid
DPressure sensor fault
DElectric pump relay fault
DHydraulic unit fault
DHarness or connector fault
D4WD-ECU fault
OK
OK
NG
NG
MUT-IIActuator Test
DNo.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.
DCheck for open, ground and damage of the power line.
NG→Repair
Measure at electric pump relay connector B-139.
DDisconnect the connector and measure at the harness
side.
DVoltage between terminal 5 and earth
OK:System voltage
MUT-IIActuator Test
DNo.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
NOIs the fluid amount in the reservoir tank appropriate?
YES
Is the fluid leaking?
NO→Replenish the fluid.
Repair the leaking location.
YES
NO
MUT-IIDiagnosis Code
DAre Diagnosis Code Nos.45, 46, or 47 output?Check code Nos. 45, 46, and 47 pressure sensor system.
(Refer to P.22A-19, 20.)
YESCode No.81 Check the electric pump relay system (Refer to
P.22A-29.)
NO
MUT-IIDiagnosis Code
DIs the Diagnosis Code No.81 output?
OK
Check the harness between the electric pump relay and body
earth.
DCheck for open circuit and damage on earth line
NG→Repair
Replace the hydraulic unit.

MANUAL TRANSMISSION - Troubleshooting <ACD>22A-31
INSPECTION CHART FOR TROUBLE SYMPTOMS
Trouble symptomInspection
procedure No.Reference
page
No communication possible between MUT-IIand all systems.122A-31
No communication possible between MUT-IIand 4WD-ECU.222A-32
ACD mode indicator lamp does not light up when the ignition switch is set to ”ON“
(engine is stopped).322A-33
More than two ACD mode indicator lamps remain lit even after the engine is started422A-34
The ACD does not operate (no diagnostic code).522A-34
The AYC does not operate (no diagnostic code).6Refer to
GROUPThe rear tire sounds when turning at low speed corners (vehicle slows down)7GROUP
27B.
Noise is produced from the torque transfer differential during turning.8
27B.
INSPECTION PROCEDURES FOR TROUBLE SYMPTOMS
Inspection procedure 1
No communication possible between MUT-IIand all
systems.
Probable cause
The diagnosis connector power supply circuit, earth circuit, or MUT-IImay be
faulty.DDiagnostic connector fault
DHarness or connector fault
DMUT-IIfault
OK
NG
NG
Check the harness between the fusible link No.1 and
diagnosis connector.
DCheck for open circuit or damage of the power line.
NG→Repair
OK
Check the trouble symptoms.
Measure at diagnosis connector C-22.
DVoltage between terminal 16 and body earth
OK:System voltageNGCheck the following connectors:
<L.H. drive vehicles> C-22, C-213, C-211, C-132
<R.H. drive vehicles> C-22, C-213, C-211, C-35, C-132
NG→Repair
Check the harness between the body earth and diagnosis
connector.
DCheck for open circuit and damage of the earth line.
NG→Repair
OK
Replace the MUT-II.
Measure at diagnosis connector C-22.
DResistance between terminals 4 and 5 and body earth.
OK:2Ωor less

MANUAL TRANSMISSION - Troubleshooting <ACD>22A-32
Inspection procedure 2
No communication is possible between the MUT-IIand
4WD-ECU.
Probable cause
The diagnostic output circuit, 4WD-ECU power supply circuit, earth circuit, or
4WD-ECU may be faulty.DHarness or connector fault
D4WD-ECU fault
NG OK OK
NG OK OK
NG OK
OK
NG
NG
NG
Check the trouble symptoms.
Check the harness between the 4WD-ECU and earth.
DCheck for open circuit and damage of the earth line.
NG→Repair
Check the following connectors:
<L.H. drive vehicles> C-43, C-44
<R.H. drive vehicles> C-43, C-44, C-08
NG→Repair
Check the harness between the ignition switch and 4WD-ECU.
DCheck for open circuit or damage of the power line.
NG→Repair
Check the trouble symptoms.
Measure at 4WD-ECU connector C-44.
DMeasure the ECU terminal voltage.
DIgnition switch: ON
DVoltage between terminal 13 and body earth
OK:System voltageCheck the following connectors:
<L.H. drive vehicles> C-44, C-130, C-213, C-210
<R.H. drive vehicles> C-44, C-213, C-210
NG→Repair
Check the harness between the 4WD-ECU and diagnosis
connector.
DCheck for open circuit and damage of the power line.
NG→Repair
Check the trouble symptoms.
Measure at diagnosis connector C-22 and 4WD-ECU
connector C-43.
DResistance between terminal 1 of C-22, and terminal 46 of
C-43
DResistance between terminal 7 of C-22 and terminal 35 of
C-43
OK: 2Ωor lessCheck the following connectors:
<L.H. drive vehicles> C-22, C-43, C-108, C-130, C-26, C-102
<R.H. drive vehicles> C-22, C-43, C-28, C-26
NG→Repair
Replace the 4WD-ECU.
Measure at 4WD-ECU connectors C-43 and C-44.
DDisconnect the connector and measure at the harness
side.
DResistance between terminal 26 of C-44 and body earth
DResistance between terminal 42 of C-43 and body earth
OK:2Ωor less
NG OK
Check the trouble symptoms.
Check the following connectors:C-43, C-44
NG→Repair