2007 MITSUBISHI LANCER EVOLUTION ignition

MANUAL TRANSMISSION - Troubleshooting 22A-20
Code No.47 Pressure sensor system (Abnormal power
supply)Probable cause
Code No.47 is output when the pressure sensor power supply voltage is above
4.0V during pressure sensor power OFF or less than 4.0V during pressure
sensor power ON.DHarness or connector fault
DPressure sensor fault
D4WD-ECU fault
NG
MUT-IIData List
DNo.19 Pressure sensor power supply
OK:Approx. 5 V
OK→Intermittent malfunction (Refer to GROUP 00 - Points to
Note for Intermittent Malfunctions)
OKOK NG
Check the harness between the pressure sensor and
4WD-ECU.
DCheck for open circuit, ground and damage of the power
line.
NG→Repair
OK
Replace the pressure sensor.
Measure at 4WD-ECU connector C-43.
DMeasure the ECU terminal voltage.
DIgnition switch: ON
DVoltage between terminal 43 and earth
OK:4.9 - 5.1 VCheck the following connectors:
C-43, C-128, C-134, F-24, F-29
C-43, C-134, F-24, F-29
NG→Repair
OK
Check the following connector:C-43
NG→Repair
MUT-IIData List
DNo.19 Pressure sensor power supply
OK:Approx. 5 V
NG→Replace the 4WD-ECU.
OK→Intermittent malfunction (Refer to GROUP 00 - Points to
Note for Intermittent Malfunctions)

MANUAL TRANSMISSION - Troubleshooting 22A-21
Code No.51 Longitudinal G sensor systemProbable cause
Code No.51 is output when the output signal of the longitudinal G sensor is less
than 0.5 V or above 4.5 V.DHarness or connector fault
DLongitudinal G sensor fault
DABS-ECU fault
D4WD-ECU fault
MB991348OK
OK
(1) NGNG
Check the following connectors:D-32, C-213, C-210
NG→Repair
MUT-IIData List
DNo.14 Longitudinal 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 longitudinal G sensor and
ignition switch.
DCheck for open circuit, ground and damage of the power
line.
NG→Repair
Measure at longitudinal G sensor connector D-32.
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:
D-32, C-128, C-130,
B-123
D-32, C-128, B-123
D-32, C-128, C-130, C-44
D-32, C-44
NG→Repair
OK
Check the harness between the longitudinal G sensor and
ABS-ECU.
DCheck for open circuit and damage of the earth line.
Check the harness between the longitudinal G sensor and
4WD-ECU.
DCheck for open circuit and damage of the earth line.
NG→Repair
MUT-IIData List
DNo.14 Longitudinal G sensor voltage
OK:Refer to P.22A-35 (Data List Reference Table).
NG→Refer to GROUP 35B - Troubleshooting, ACD and AYC> or replace the 4WD-ECU ACD>.
OK→Intermittent malfunction (Refer to GROUP 00 - Points to
Note for Intermittent Malfunctions)
NG
DRemove the longitudinal G sensor.
DConnect the special tool between the connector D-32 at
the harness of the longitudinal G sensor and the
longitudinal G sensor.
DIgnition switch: ON
DVoltage between terminal 2 and body earth [when the
longitudinal G sensor is placed horizontally]
OK:2.4 - 2.6 V
DVoltage between terminal 2 and body earth [when the
longitudinal G sensor is placed with the labeled side
facing at the side]
OK:3.3 - 3.7 V
Label
D-32
Harness side
connector
Label
Replace the longitudinal G sensor.
OK
OK
Check the following connectors:
D-32, C-44, C-128, B-123
D-32, C-128, C-44
D-32, C-44
NG→Repair
OKMUT-IIData List
DNo.14 Longitudinal G sensor voltage
OK:Refer to P.22A-35 (Data List Reference Table).
NG→Refer to GROUP 35B - Troubleshooting 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 longitudinal G sensor and
4WD-ECU.
DCheck for open circuit, ground and damage of the power
line.
Check the harness between the longitudinal G sensor and
ABS-ECU.
DCheck for ground and damage of the power line.
NG→Repair

MANUAL TRANSMISSION - Troubleshooting 22A-22
Code No.52 Longitudinal G sensor systemProbable cause
Code No.52 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
DLongitudinal G sensor fault
DABS-ECU fault
D4WD-ECU fault
OK
NG
MUT-IIData List
DNo.14 Longitudinal 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:
D-32, C-44, C-128, B-123
D-32, C-128, C-44
D-32, C-44
NG→Repair NG
Check the longitudinal G sensor. (Refer to P.22A-21.)
NG→Replace
OK
MUT-IIData List
DNo.14 Longitudinal G sensor voltage
OK:Refer to P.22A-35. (Data List Reference Table)
NG→Refer to GROUP 35B - Troubleshooting 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 longitudinal G sensor and
4WD-ECU.
DCheck for open circuit, ground and damage of the power
line.
Check the harness between the longitudinal G sensor and
ABS-ECU.
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 23 and earth
OK:2.4 - 2.6 V (body is in horizontal state)
OK
Check the following connectors:C-44
NG→Repair
MUT-IIData List
DNo.14 Longitudinal 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 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
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:
D-33, C-128, B-123
D-33, C-128, C-44
D-33, C-44
NG→Repair
OK
Check the harness between the lateral G sensor and
ABS-ECU.
DCheck for open circuit and damage of the earth line.
Check the harness between the lateral G sensor and
4WD-ECU.
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 ACD and AYC>, or replace the 4WD-ECU 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:
D-33, C-44, C-128, B-123
D-33, C-128, C-44
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 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.
DCheck for ground and damage of the power line.
NG→Repair

MANUAL TRANSMISSION - Troubleshooting 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
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:
D-33, C-44, C-128, B-123
D-33, C-128, C-44
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 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.
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 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:
C-142, C-29, C-213, C-210
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:
C-142, C-128, C-43
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 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
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:
C-43, C-26,
C-130
C-43, C-26
NG→Repair
Check the following connectors:
AYC> D-23, C-26, C-130, C-43,
C-02, B-123
AYC> D-23, C-26, C-43, C-02,
B-123

D-23, C-26, C-130, C-43, C-02

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. 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 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:
C-22, C-213, C-211, C-132
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