MITSUBISHI LANCER EVOLUTION VIII 2004 Manual PDF
Manufacturer: MITSUBISHI, Model Year: 2004, Model line: LANCER EVOLUTION VIII, Model: MITSUBISHI LANCER EVOLUTION VIII 2004Pages: 166, PDF Size: 3.56 MB
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
Page 77 of 166
MANUAL TRANSMISSION TROUBLESHOOTING22 16
Code No.63 Parking brake switchAssumed cause of concern
In cases where, at 15kph or over, the parking brake switch
remains ON for 15 minutes or more, code No.63 is output.• Parking brake switch malfunction
•Harness, connector malfunction
• ABS ECU malfunction,
•4WD ECU malfunction
Remarks*1: Refer to ’00 5 Lancer Sedia Service Manual (No.1036K00)
MUT II/III Service data
• No.62 Parking brake switch
(1)Apply parking brake lever
OK:ON
(2)Release parking brake lever
OK:OFF
OK > intermittent malfunction
When parking brake lever is
released, does the brake
warning lamp go off?
Measurement at D 25, parking
brake switch connector
•Undo connector, take
measurement on harness side
•Ignition switch: ON
• Voltage between 1 – earth
OK:battery voltage
Connector check:D 25
NG > repair
Check, and if necessary adjust,
the play in the parking brake
lever
(refer to Group 36 – Vehicle
Servicing)
*1
NG > Adjust
Check parking brake switch
(refer to Group 36 – Vehicle
Servicing)
*1
NG > adjust
Connector check:C 37, D 25,
C 20NG > repair
Connector check:D 25, C 37,
C 20, B 109
D 25, C20, C 37
NG > repair
(1)Check harness between
parking brake switch – 4WD
ECU
• Check output wire for
earth, damage
(2)Check harness between
parking brake switch –
combi.meter
• Check power supply wire
for earth, damage
(3) Check harness between
parking brake switch – ABS
ECU.
• Check output wire forearth, damage
NG > repair
Replace hydraulic unit, ABS
ECUCheck harness between
parking break switch – 4WD
ECU
• Check output wire to see if
broken or damaged
NG > repair
MUT II/III Service data
• No.62 Parking brake switch
(1)Apply parking brake lever
OK:ON
(2)Release parking brake lever
OK:OFF
NG > replace 4WD ECU
OK > intermittent malfunction
Check brake warning lamp bulb
NG > replace
Replace combi. meter
YESOK
(1) OK
(2) OK
NG
NG
NO
OK
OK
OK
(3) OK
OK
OK
OK
Page 78 of 166
MANUAL TRANSMISSION TROUBLESHOOTING22 17
Code No.65 ABS monitor systemAssumed cause of concern
In cases where the ABS is detected to have been operating
continuously for at least 1 minute, code No.65 is output.• Harness, connector malfunction
• ABS ECU malfunction
• 4WD ECU malfunction
MUT II/III Service data
• No.61 ABS monitor
(1)ABS ECU connector: undo
OK:ON
(2)ABS ECU connector: connect
OK:OFF
OK > intermittent malfunction
Measurement at C 37 4WD ECU
• Undo connector, take measurement on harness side
• Voltage between 48 – body earth
OK:battery voltage
Connector check:C 37
NG > repair
MUT II/III Service data
• No.61 ABS monitor
(1)Press ACD mode switch
OK:OFF
NG > replace 4WD ECU
OK > intermittent malfunction
Connector check:C 37, B 109
NG > repair
Check harness between 4WD ECU and ABS ECU
• Check output wire for shorting, damage
NG > repair
Connector check:C 37, B 109
NG > repair
Check harness between 4WD ECU and ABS ECU
• Check output wire to see if broken, shorting, or
damaged
NG > repair
B 109 Measurement at ABS ECU connector
• ECU terminal voltage measurement
• Voltage between 3 – body earth
• Carry out ABS actuator test (no.05: ABS signal)
OK:For 10 seconds during test, 1V or less, after
which battery voltage
NG > replace hydraulic unit, ABS ECU
(1) NG
NG
(2) NG
OK
OK
OK
OKOK
Page 79 of 166
MANUAL TRANSMISSION TROUBLESHOOTING22 18
Code No.74 Proportional valve
In cases where the proportional valve
is shorting, code No.74 is output.• Proportional valve
• Harness, connector malfunction
Remarks*2: refer to ’01 1 Lancer Evolution VII Service Manual (No.1036K02)
MUT II/III Service data
• No.11 Proportional valve current
OK:P.22 32 Refer to (Service Data List)*2
OK > Intermittent malfunction
Measurement at F 25 proportional valve
connector
• Undo connector, take measurement on proportional
valve side
• Resistance between 2 3
OK:4.7Ωor less
Measurement at F 25 proportional valve
connector
• Undo connector, take measurement on harness side
• Resistance between 2 – body earth
OK:2Ω or less
Connector check:F 25, F 22
NG > repair
Check harness between proportional valve
body earth
•Check earth wire to see if broken or damaged
NG > repair Replace hydraulic unit
Connector check:F 25, F 22, C 30, C 133, C 38
NG > repair
Check harness between 4WD ECU and Proportional
valve
•Check output wire to see if broken, shorting, or
damaged
NG > repair
MUT II/III Service data
• No.11 Proportional valve current
OK:refer to P.22 32 (Service Data List)*2
NG: replace 4WD ECU
OK > Intermittent malfunction
Code No.81 Electric pump relay systemAssumed cause of concern
Output when the circuit on the pump relay coil side is broken
or shorting.• Electric pump relay malfunction
• Harness, connector malfunction
• 4WD ECU malfunction
Remarks*2: refer to ’01 1 Lancer Evolution VII Service Manual (No.1036K02)
MUT II/III actuator test
• No.04 Electric pump operation
OK:the electric pump operating sound is audible
OK > Intermittent malfunction
Check electric pump relay (refer P.22 53)
*2
Measurement at B 127 electric pump relay connector
• Undo connector, take measurement on harness side
• Resistance between 1 – body earth
OK:2Ωor less
Connector check:B 127
NG > repair
Check harness between electric pump relay body earth
•Check earth wire to see if broken or damaged
NG > repair Replace electric pump relay
Connector check:B 127, C 38
NG > repair
Check harness between 4WD ECU and electric pump relay
•Check power supply wire to see if broken, shorting,
or damaged
NG > repair
MUT II/III Actuator test
• No.04 Electric pump operation
OK:the electric pump operating sound is audible
NG:replace 4WD ECU
OK > NG
OK
OK
OK
OK
OK
NG
OK
OK
NG
NG
OK
OK
OK
NG
OK
Page 80 of 166
MANUAL TRANSMISSION TROUBLESHOOTING22 19
3.Fault classification
4. Fault classification procedure
Checking procedure 2
FaultCheck procedure No.Page ref.
No communication between MUT II/III and 4WD ECU222 19
When ignition switch is ON, (engine stopped), ACD mode indicator lamp does not come on.322 20
Even after engine starts, at least 2 ACD mode indicator lamps remain lit 422 20
No communication between MUT II/III and 4WD ECUAssumed cause of concern
Diagnosis output circuit, 4WD ECU power supply circuit,
earth circuit or 4WD ECU malfunctions are possible.• Harness, connector malfunction
•4WD ECU malfunction
Measurement at C 122, diagnosis code connector and
C 37 4WD ECU connector.
• Resistance between C 122 1 and C 37 46
• Resistance between C 122 7 and C 37 35
OK:2Ω or less
Measurement at C 38 4WD ECU connector
•Measure ECU terminal voltage
• Ignition switch ON
OK:battery voltage
Measurement at C 37, C 38, 4WD ECU connector
• Undo connector, take measurement on harness side
• Resistance between C 38 26 and body earth
Connector check:C 37, C 38
NG > repair
Fault confirmation Replace 4WD ECU
Connector check:C 37, C 23, C 22, C 20, C 122,
C 110, C 06
NG > repair
Fault confirmationHarness check between 4WD ECU and diagnosis
connector
Connector check:C 38, C212, C 210, C133
NG > repair
Fault confirmation
Check harness between ignition switch and 4WD ECU
•Check power supply wire to see if broken or
damaged
NG > repair
Connector check:C 37, C 38
NG > repair
Fault confirmation
Check harness between 4WD ECU – earth
• Check earth wire to see if broken or damaged
NG > repair
OK
OK
OK
OK
NG
OK
NG
NG
OK
OK
NG
NG
NG
NG