4WD MITSUBISHI LANCER EVOLUTION VIII 2004 User Guide
[x] Cancel search | Manufacturer: MITSUBISHI, Model Year: 2004, Model line: LANCER EVOLUTION VIII, Model: MITSUBISHI LANCER EVOLUTION VIII 2004Pages: 166, PDF Size: 3.56 MB
Page 67 of 166
MANUAL TRANSMISSION TROUBLESHOOTING22 6
Vehicle speed sensor fitting check
NG > repair
MUT II/III Service Data
• No.01 Vehicle speed sensor
• No.02 Vehicle speed sensor
•No.03 Vehicle speed sensor
•No.04 Vehicle speed sensor
OK:Speed shown on speedometer and MUT II/III agree
OK > Intermittent malfunction
Measurement at C 38 4WD ECU connector
• Undo connector and take measurement on harness
side
(1) Resistance between 9 – 22 (vehicle speed sensor
(2) Resistance between 6 19 (vehicle speed sensor
(3) Resistance between 7 20 (vehicle speed sensor
(4) Resistance between 8 – 21 (vehicle speed sensor
OK:1.2 – 1.6kΩ
Check vehicle wheel speed sensor output voltage (ref.
p.22 41)
*2
Check connector:C 38
NG > repair
MUT II/III Service data
• No.1 Vehicle speed sensor
• No.2 Vehicle speed sensor
• No.3 Vehicle speed sensor
OK:Speed shown on speedometer and MUT II/III
agree
NG > Replace 4WD ECU
OK > Intermittent malfunctionVehicle wheel speed sensor
(Refer to Group 35B – Vehicle wheel speed sensor)
*1
NG > Repair
Connector checks:C 38, A 05, A 31, D 11, D 05,
D 12, C 131, C 20, C 115, C 34
NG > Repair
Harness check between 4WD ECU – each vehicle
wheel speed sensor
• Check output wire for broken wire, earthing, short
• Check earth wire to see if broken or damaged
NG > repair
MUT II/III Service data
•No.1 Vehicle speed sensor
• No.2 Vehicle speed sensor
• No.3 Vehicle speed sensor
• No.4 Vehicle speed sensor
OK:Speed shown on speedometer and MUT II/III
agree
NG > Replace 4WD ECU
OK > Intermittent malfunction
Vehicle wheel speed sensor and rotor check
(Refer to Group 35B – Vehicle Wheel Speed Sensor)
*1
NG > Repair
Wheel bearing check (Refer to Group 26 – Vehicle
Servicing, Group 27B – Rear Hub Assembly)
*2
NG > Repair
Code No.26 Vehicle wheel speed sensor system (output
signal abnormal)Assumed cause of concern
Abnormal vehicle wheel speed sensor Code No. 26 is output
in cases where, when the vehicle speed is 20kph or more,
one of the vehicle wheel speed sensors is outside the
specified range. However, the warning lamp does come on.•Tyre malfunction
• Vehicle speed sensor malfunction
•Rotor malfunction
• Wheel bearing malfunction
•Harness, connector malfunction
• 4WD ECU malfunction
Remarks*1: refer to ’00 5 Lancer Sedia Service Manual (No.1036K00)*2: refer to ’01 1 Lancer Evolution VII Service Manual (No.1036K02)
OK
OK
OK
OK NG
NG
OK
NG
OK
OK
OK
Page 68 of 166
MANUAL TRANSMISSION TROUBLESHOOTING22 7
MUT II/III Diagnosis code
• Has MPI diagnosis code No.P0120 been output?
MUT II/III Service Data
• No.13 TPS voltage
OK:P.22 32 (Refer to Service Data List)*2
OK > Intermittent malfunction
Measurement at C 37 4WD ECU connector
• Measure ECU terminal voltage
• Ignition switch: ON
• Voltage between 39 – earth
(1)Throttle pedal fully open
OK:535 – 735 mV
(2)Throttle pedal fully open
OK:4500 – 5500 mV
Check connector:C 37
NG > Repair
MUT II/III Service data
• No.13 TPS voltage
OK:P.22 32 (Refer to Service Data List)*2
NG > replace 4WD ECU
OK > intermittent malfunctionRefer to Group 13D – Troubleshooting
*2
TPS adjustment (Refer to Group 13D – Vehicle
Servicing)*2
Connector check:C 37, B 06, C 23
NG > repair
Check harness between TPS – 4WD ECU
• Check to see if output wire is broken, short, or
damaged
NG > repair
Code No.41,42 TPS systemAssumed cause of concern
If, when idling, TPS output is 0.2V or less, code No.41 is
output, indicating that output is too low.
If, at 10kph or less, TPS output is 4.8V or more for a period
of 2 minutes or more, code No.42 is output, indicating output
is too high.• TPS malfunction
•Harness, connector malfunction
• 4WD ECU malfunction
Remarks*2: refer to ’01 1 Lancer Evolution VII Service Manual (No.1036K02)
NO
NG
OK
OK
OK
OKYES
NG
Page 69 of 166
MANUAL TRANSMISSION TROUBLESHOOTING22 8
Code No.45 Pressure sensor system (broken wire or earth)Assumed cause of concern
Code No.45 is output when output signal from pressure sensor
is 0.2V or less.• Harness, connector malfunction
• Pressure sensor malfunction
• 4WD ECU malfunction
Remarks*2: refer to ’01 1 Lancer Evolution VII Service Manual (No.1036K02)
MUT II/III Service data
• No.18 pressure sensor
OK:P.22 32 (Refer to Service Data List)*2
OK > Intermittent malfunction
Measurement at C 37 4WD ECU connector
•Measure ECU terminal voltage
•Ignition switch: ON
• Voltage between 32 – earth
OK:0.5V – 1.5V
Check connector:C 37
NG > Repair
MUT II/III Service data
• No.18 Pressure sensor
OK:P.22 32 (Refer to Service Data List)*2
NG > replace 4WD ECU
OK > intermittent malfunction
Measurement at F 27 pressure sensor connector
•Undo connector, take measurement on harness side
• Resistance between 3 – earth
OK:2Ω or less
Check connector:F 27
NG: repair
Replace pressure sensor
Check connector:C 37, C 20, C 30, F 22, F 27
NG > Repair
Chec
k harness between pressure sensor – 4WD ECU
• Check to see if power supply line is broken, earth, or
damaged.
• Check for broken output wire, earth, or damage
NG > Repair
Replace pressure sensor
Connector check:C 37, C 20, F 22, F 27
NG > repair
Check harness between pressure sensor – 4WD ECU
•Check to see if earth wire is broken or damaged
NG > repair
Replace 4WD ECU
Code No.46 Pressure sensor system (earth wire broken)Assumed cause of concern
Code No.46 is output when output signal from pressure
sensor is 2.0V or more.• Harness, connector malfunction
• Pressure sensor malfunction
• 4WD ECU malfunction
NG
OK
OK
OKNG
OK
OK
OKNG
OK
OK
Page 70 of 166
MANUAL TRANSMISSION TROUBLESHOOTING22 9
Code No.47 Pressure sensor system (abnormal power supply)Assumed cause of concern
Code No.47 is output when, with pressure sensor power supply OFF, the pressure
sensor power supply voltage is 4.0V or more, and when pressure sensor power supply
is ON, the pressure sensor power supply voltage is 4.0V or less.• Harness, connector malfunction
• Pressure sensor malfunction
• 4WD ECU malfunction
MUT II/III Service data
•
No.19 pressure sensor power supply
OK:5V
OK > Intermittent malfunction
Measurement at C 37 4WD ECU connector
•Measure ECU terminal voltage
•Ignition switch: ON
•Voltage between 43 – earth
OK:4.9V – 5.1V
Check connector:C 37
NG > Repair
MUT II/III Service data
•
No.19 Pressure sensor
OK:5V
NG > replace 4WD ECUOK > intermittent malfunction
Connector check:C 37, C 20, C 30, F 22, F 27
NG > repair
Check harness between pressure sensor – 4WD ECU
•Check to see if power supply wire is broken, earth, or
damaged
NG > repair
Replace pressure sensor
NG
NG
OK
OK
OK
OK
Page 71 of 166
MANUAL TRANSMISSION TROUBLESHOOTING22 10
Code No.51 Longitudinal G sensor systemAssumed cause of concern
Code No.51 is output when the longitudinal G sensor signal
falls below 0.5V or rises above 4.5V.• Harness, connector malfunction
• Longitudinal G sensor malfunction
• ABS ECU malfunction
• 4WD ECU malfunction
Remarks*2: refer to ’01 1 Lancer Evolution VII Service Manual (No.1036K02)
MUT II/III Service data
• No.14 longitudinal G sensor power voltage
OK:P.22 32 Refer to (Service Data List)*2
OK > Intermittent malfunction
Measurement at D 29 longitudinal G sensor connector
• Undo connector and measure on harness side
• Ignition switch: ON
(1) Voltage between 1 earth
OK:battery voltage
(2) Resistance between 3 – earth
OK:2Ω or less
D 29
Harness side
connector
• Remove longitudinal G sensor
• Connect the special tool between D 29 longitudinal
G sensor connector harness side connector and
longitudinal G sensor.
• Ignition switch: ON
• Voltage between 2 – body earth (when longitudinal
G sensor is set on a flat surface)
OK:2.4 – 2.6V
• Voltage between 2 – body earth (when longitudinal
G sensor is placed so that the label surface facesside
ways)
OK:3.3 – 3.7V
Connector check:D 29, C 38, C 20, B 109
NG > repair
Check harness between longitudinal G sensor – 4WD
ECU
• Check for broken output wire, earth, damage
Check harness between longitudinal G sensor – ABS ECU
•Check output wire for earth, damage
NG > repair
Connector check:D 29, C 212, C 210
NG > repair
Check harness between longitudinal G sensor –
ignition switch.
• Check for broken power supply wire, earth, damage
• NG > repair
Connector check:D 29, C 20, B 109
NG > repair
Check harness between longitudinal G sensor – ABS
ECU
•Check to see if earth wire broken or damaged
NG > repair
Check harness between longitudinal G sensor – 4WD
ECU
• Check to see if earth wire broken or damaged
NG > repair
MUT II/III Service data
• No.14 longitudinal G sensor voltage
OK:Refer to P.22 32 (Service Data List)*2
NG > Refer to Group 35C – Troubleshooting*2
OK > intermittent malfunction
Replace longitudinal G sensor
MUT II/III Service data• No.14 longitudinal G sensor voltage
OK:Refer to P.22 32 (Service Data List)*2
NG > Refer to Group 35C – Troubleshooting*2
OK > intermittent malfunction
label label
OK
NG
(1) NG
NG
(2) NG
OK
OK
OK
OK
OK
OK
Page 72 of 166
MANUAL TRANSMISSION TROUBLESHOOTING22 11
Code No.52 Longitudinal G sensor systemAssumed cause of concern
At 10kph or over, with ABS and brakes not applied, code No.
52 is output in cases where G sensor indicates higher than
specified value.• Harness, connector malfunction
• Longitudinal G sensor malfunction
• ABS ECU malfunction
• 4WD ECU malfunction
Remarks*2: refer to ’01 1 Lancer Evolution VII Service Manual (No.1036K02)
MUT II/III Service data
• No.14 longitudinal sensor voltage
OK:P.22 32 Refer to (Service Data List)*2
OK > Intermittent malfunction
Longitudinal G sensor check (refer to P.22 32)
*2
NG > replace
Measurement at C 38 4WD ECU connector
• ECU terminal voltage measurement
• Ignition switch: ON
• Voltage between 23 – earth
OK:2.4 – 2.6V (when vehicle is standing on flat
ground)
Connector check:C 38
NG > repair
MUT II/III Service data
• No.14 longitudinal sensor voltage
OK:P.22 32 Refer to (Service Data List)*2
NG > Replace 4WD ECU
OK > Intermittent malfunction
Connector check:C 38, D 29, C 20, B 109
Check harness between longitudinal G sensor – 4WD
ECU
•Check to see if output wire is broken, earth, or
damaged
Check harness between longitudinal G sensor – ABS
ECU
MUT II/III Service data
• No.14 longitudinal G sensor voltage
OK:Refer to P.22 32 (Service Data List)*2
NG > Refer to Group 35C – Troubleshooting*2
OK > intermittent malfunction
NG
OK
OK
OK
NG
OK
OK
Page 73 of 166
MANUAL TRANSMISSION TROUBLESHOOTING22 12
Code No.56 Longitudinal G sensor systemAssumed cause of concern
Code No.56 is output when the longitudinal G sensor signal
falls below 0.5V or rises above 4.5V.• Harness, connector malfunction
• Longitudinal G sensor malfunction
• ABS ECU malfunction
• 4WD ECU malfunction
Remarks*2: refer to ’01 1 Lancer Evolution VII Service Manual (No.1036K02)
MUT II/III Service data
• No.15 longitudinal G sensor power voltage
OK:P.22 32 Refer to (Service Data List)*2
OK > Intermittent malfunction
Measurement at D 31 lateral G sensor connector
• Undo connector and measure on harness side
•Ignition switch: ON
(1)Voltage between 1 earth
OK:battery voltage
(2)Resistance between 3 – earth
OK:2Ω or less
D 29
Harness side
connector
• Remove longitudinal G sensor
• Connect the special tool between D 31 longitudinal
G sensor connector harness side connector and
longitudinal G sensor.
• Ignition switch: ON
• Voltage between 2 – body earth (when longitudinal
G sensor is set on a flat surface)
OK:2.4 – 2.6V
• Voltage between 2 – body earth (when longitudinal
G sensor is placed so that the label surf
ace faces
sideways)
OK:3.3 – 3.7V
Connector check:D 31, C 38, C 20, B 109
NG > repair
Check harness between lateral G sensor – 4WD ECU
• Check for broken output wire, earth, damage
Check harness between lateral G sensor – ABS ECU
•Check output wire for earth, damage
NG > repair
Connector check:D 31, C 212, C 210
NG > repair
Check harness between lateral G sensor – ignition
switch.
• Check for broken power supply wire, earth, damage
NG > repair
Connector check:D 31, C 20, B 109
NG > repair
Check harness between lateral G sensor – ABS ECU
MUT II/III Service data
•No.15 lateral G sensor voltage
OK:Refer to P.22 32 (Service Data List)*2
NG > Refer to Group 35C – Troubleshooting*2
OK > intermittent malfunction
Replace lateral G sensor
MUT II/III Service data
• No.15 longitudinal G sensor voltage
OK:Refer to P.22 32 (Service Data List)*2
NG > Refer to Group 35C – Troubleshooting*2
OK > intermittent malfunction
label label
(1) NG
NG
OK
(2) NG
NG
OK
OK
OK
OK
OK
OK
Page 74 of 166
MANUAL TRANSMISSION TROUBLESHOOTING22 13
Code No.57 Lateral G sensor systemAssumed cause of concern
At 10kph or over, with ABS and brakes not applied, code No.
57 is output in cases where G sensor indicates higher than
specified value.• Harness, connector malfunction
• Longitudinal G sensor malfunction
• ABS ECU malfunction
• 4WD ECU malfunction
Remarks*2: refer to ’01 1 Lancer Evolution VII Service Manual (No.1036K02)
MUT II/III Service data
• No.15 longitudinal sensor voltage
OK:P.22 32 Refer to (Service Data List)*2
OK > Intermittent malfunction
Lateral G sensor check (refer to P.22 20)
*2
NG > replace
Measurement at C 38 4WD ECU connector
•ECU terminal voltage measurement
• Ignition switch: ON
•Voltage between 11 – earth
OK:2.4 – 2.6V (when vehicle is standing on flat
ground)
Connector check:C 38
NG > repair
MUT II/III Service data
•No.15 lateral sensor voltage
OK:P.22 32 Refer to (Service Data List)*2
NG > Replace 4WD ECU
OK > Intermittent malfunction
Connector check:C 38, D 31, C 20, B 109
Check harness between lateral G sensor – 4WD ECU
•Check to see if output wire is broken, earth, or
damaged
Check harness between lateral G sensor – ABS ECU
• Check to see if output wire earth or damaged
NG > repair
MUT II/III Service data
•No.15 lateral G sensor voltage
OK:Refer to P.22 32 (Service Data List)*2
NG > Refer to Group 35C – Troubleshooting*2
OK > intermittent malfunction
NG
NG
OK
OK
OK
OK
OK
Page 75 of 166
MANUAL TRANSMISSION TROUBLESHOOTING22 14
Code No.61 Stop lamp switch systemAssumed cause of concern
In cases where, at 15kph or over, the stop lamp switch stays
ON for 15 minutes or longer, code No.61 is output.• Brake pedal malfunction
•Stop lamp switch malfunction
• Harness, connector malfunction
•4WD ECU malfunction
Remarks*1: Refer to ’00 5 Lancer Sedia Service Manual (No.1036K00)
Check height of brake pedal
(Refer to Group 35A – Vehicle Servicing)
*1
NG > Adjust
MUT II/III Service data
• No.56 Stop lamp switch
(1)Depress brake pedal
OK:ON
(2)Release brake pedal
OK:OFF
OK > Intermittent malfunction
Check connector:C 118
NG > repair
Check stop lamp switch
(Refer to Group 35A – Brake pedal)
*1
NG > replace
Measurement at C 118 stop lamp switch connector
• Undo connector, measure on harness side
•Voltage between 2 – earth
OK:battery voltage
Measurement at C 37 4WD ECU connector
• ECU terminal voltage measurement
•
Voltage between 38 earth
(1)Depress brake pedal
OK:battery voltage
(2)Release brake pedal
OK:1V or less
Connector check:C 118, C 22, C 23, C 37
NG > repair
Check harness between 4WD ECU stop lamp
switch
• Check for broken or damaged output wire
NG > repair
Check harness between stop lamp switch – stop lamp.
• Check for broken or damaged output wireNG > repair
Connector check:C 118, C 31
NG > repair
Check harness between stop lamp switch – battery
•Check power supply wire to see if broken or
damaged
NG > repair
Connector check:C 37
NG > repair
MUT II/III Service data
•No.56 Stop lamp switch
(1)Depress brake pedal
OK:ON
(2)Release brake pedal
OK:OFF
NG > replace 4WD ECU
OK > Intermittent malfunction
NG
OK
OK
NG
OK
OK
OK
NG
OK
OK
OK
OK
Page 76 of 166
MANUAL TRANSMISSION TROUBLESHOOTING22 15
Code No.62 ACD mode switch systemAssumed cause of concern
In cases where the ACD mode switch remains ON for 60
seconds or more, code No.61 is output.• ACD mode switch malfunction
• Harness, connector malfunction
Remarks*2: refer to ’01 1 Lancer Evolution VII Service Manual (No.1036K02)
MUT II/III Service data
• No.63 ACD mode switch
(1)Press ACD mode switch
OK:ON
(2)Release ACD mode switch
OK:OFF
OK > intermittent malfunction
Check ACD mode switch (refer to P.22 53)
*2
NG > replace
Measurement at C 134 ACD mode switch connector
• Undo connector, take measurement on harness side
•Ignition switch: ON
• Voltage between 2 – earth
OK:battery voltage
Measurement at C 37 4WD ECU connector
•Measure ECU terminal voltage
• Ignition switch: OFF
•Voltage between 47 – earth
(1)Press ACD mode switch
OK:battery voltage
(2)Release ACD mode switch
OK:1V or less
Connector check:C 37
NG > repair
MUT II/III Service data
• No.63 ACD mode switch
(1)Press ACD mode switch
OK:ON
(2)Release ACD mode switch
OK:OFF
NG > replace 4WD ECU
OK > intermittent malfunction
Connector check:C 134, C 209, C 210
NG > repair
Check harness between ACD mode switch – ignition
switch
•Check for broken power supply wire, damage
NG > repair
Check harness between junction block – combi. Meter
•Check power supply wire for earth, damage
NG > repair
Connector check:C 134, C 133, C 37
NG > repair
Check harness between 4WD ECU – ACD mode
switch
• Check to see if output wire is broken or damagedNG > repair
NG
NG
NG
OK
OK
OK
OK
OK
OK
OK