Mitsubishi Lancer Evolution 8. Manual — part 185
Tools
Number
Name
Use
Recommended tools
Anzen Jidosha (Co. Ltd)
MZ203831
Or
Banzai (Co. Ltd)
MZ203830
MB991928
A: MB991929
B: MB991930
C: MB991931
D: MB991932
E: MB991933
F: MB991934
MB991453
MB991454
MB991527
Engine lifter
Engine lifter
A: Joint (50) x 2
B: Joint (90) x 2
C: Joint (140) x 2
D: Feet (stand) x 4
E: Feet (short) x 2
F: Chain & hook ASSY
Engine lifter attachment set
Engine lifter balancer
Engine lifter
To hold the engine ASSY
when removing or fitting the
transmission.
Note
1. The engine lifter balancer
(MB991454) is one part of
the engine lifter ASSY
(MB991453).
2. Only use a chain with the
engine lifter balancer
(MB991454)
MANUAL TRANSMISSION – SPECIAL TOOLS, TROUBLESHOOTING 22-3
Troubleshooting
1. Diagnosis Code List
Slide bracket (HI)
Diagnosis code
No.
Diagnosis item
Reference
page
31
Steering sensor <ST-1, ST-2, ST-N> system
Broken wire or short
22-4
63
Parking brake switch system
Short or forgotten to return
22-5
65
ABS monitor system (vehicles fitted with ACD + AYC)
Broken wire or ABS fault
22-6
82
Electromotive pump relay system
Electromotive pump fault or
pressure sensor abnormality
22-7
MANUAL TRANSMISSION – TROUBLESHOOTING
22-4
2. Checking Procedure for each Diagnosis Code
Note
*1: Refer to ’00 – 5 Lancer Sedia Service Manual (No.103K00)
*2: Refer to ’01-1 Lancer Evolution VII Service Manual (No.1036K02)
MUT-II/III Diagnosis codes *2
• Has ABS diagnosis code No.81,
82, 83, been output?
Check connector: 228
NG
↔
repair
Replace steering sensor
Check connectors: C-228, C-
119, C-209, C-210
Check harness between ignition
switch and steering sensor
• Check to see if power supply
wire is broken or damaged
NG
↔
repair
C-228 Steering sensor connector
measurement
• Undo connector, take
measurement on harness side
• Ignition switch: ON
• Voltage across 2 - earth
OK: Battery voltage
MUT-II/III Service Data
• No.21 Steering sensor voltage
<ST-1>
• No. 22 Steering sensor voltage
<ST-2>
• No. 23 Steering sensor voltage
<ST-N>
OK: ref. P.22-32 (ref. Service
Data List) *2
OK
→
Intermittent malfunction
(ref. Chapter 00 –
Countermeasures for Intermittent
Malfunctions) *2
C-37 4WD-ECU Connector measurement
• ECU terminal voltage measurement
• Ignition switch: ON
(1) Voltage across 33 – earth (Steering sensor <ST-1>)
(2) Voltage across 34 – earth (Steering sensor <ST-2>)
(3) Voltage across 44 – earth (Steering sensor <ST-N>)
OK: When the steering wheel is turned, there is a
voltage change about 1.5V
↔
3.5V
MUT-II/III Service Data*2
• No.21 Steering sensor voltage
<ST-1>
• No. 22 Steering sensor voltage
<ST-2>
• No. 23 Steering sensor voltage
<ST-N>
OK: ref. P.22-32 (ref. Service Data List) *2
NG
↔
replace 4WD-ECU
OK
↔
Intermittent malfunction
(ref. Chapter 00 – Countermeasures for Intermittent
Malfunctions) *2
Check connector C-37
NG
↔
Repair
Check connectors: C-228, C-119, C-209, C-210
NG
↔
Repair
Check harness between steering sensor and ignition
switch
• Power supply cable broken, earthed, or is damaged
NG
↔
Repair
Check connectors C-228, C-107
NG
↔
Repair
Check harness between steering sensor and body earth
• Check earth wire to see if it is broken or damaged
NG
↔
Repair
C-228 Steering sensor connector measurement
• Undo connector, take measurement on harness
side
• Ignition switch: ON
(1) Voltage across 2 - earth
OK: Battery voltage
(2) Resistance between 3 - body
OK: 2Ω or less
Check connectors C-228, C-37
NG
↔
Repair
Check harness between 4WD-ECU and steering
sensor
• Check output cable to see if it is broken, has a
short circuit, or is damaged
NG
↔
Repair
Replace steering sensor
Code No.31 Steering sensor <ST-1, ST-2, ST-3>
Possible causes
When a steering sensor output wire (ST-1, ST-2, or ST-N) is
broken or has a short circuit, No.31 will be output.
∑ Steering sensor malfunction
∑ Harness, connector malfunction
∑ 4WD-ECU malfunction
NG (Changes 1V or
less
↔
4.5V or more)
NG (either stays at 0V,
or does not change and
remains at 4.5V or
more)
NO
NG
OK
OK
OK
YES
OK
OK
OK
OK
OK
OK
(1) NG
(2) NG
NG
OK
MANUAL TRANSMISSION - TROUBLESHOOTING
22-5
MUT-II/III service data*2
• No. 62: Parking brake switch
(1) Pull parking brake lever
OK: ON
(2) Release parking brake lever
OK: OFF
OK
→
intermittent malfunction
(ref. Chapter 00 -
Countermeasures for Intermittent
Malfunctions) *2
When the parking brake is
released, does the parking brake
warning light go off?
Check connector D-25
NG
→
repair
Check and adjust parking brake
lever stroke
(ref. Chapter 36 – On-vehicle
servicing) NG
↔
Adjust
Check parking brake switch (ref.
Chapter 36 – On –vehicle
Servicing) *1
NG
↔
replace
Check connectors C-37, D-25
NG
→
repair
Check connectors D-25, C-37,
C-20, B-109 vehicles fitted with
<ACD+AYC >
D-25, C-37 vehicles fitted with
<ACD>
NG
→
repair
(1) Check harness between
parking brake switch and
4WD- ECU
• Check output wire for
earthing or damage
(2) Check harness between
parking brake switch and
combi. meter
• Check power supply cable
for earthing or damage
(3) Check harness between
parking brake switch and
ABS-ECU
<vehicles fitted with
ACD+AYC>
• Check output wire for
earthing or damage
NG
→
repair
Replace hydraulic unit and ABS-
ECU
Check harness between D-25
and 4WD-ECU
• Check to see if the output wire
is broken or damaged
NG
→
repair
MUT-II/III service data*2
• No. 62: Parking brake switch
(1) Pull parking brake lever
OK: ON
(2) Release parking brake lever
OK: OFF
NG
→
replace 4WD-ECU
OK
→
intermittent malfunction
(ref. Chapter 00 -
Countermeasures for Intermittent
Malfunctions) *2
Check brake warning light bulb
NG
→
replace
Replace combi. meter
D-25 Parking brake switch
connector measurement
• Undo connector, then take
measurement on harness side
• Ignition switch: ON
• Voltage across 1– earth
OK: Battery voltage
Code No.63 Parking brake switch system
Probable causes
At vehicle speeds of 15km/h and over, code No. 63 is output if
the parking brake stays ON for 15 minutes or more.
• Parking brake switch malfunction
• Harness, connector malfunction
• ABS-ECU malfunction (vehicles fitted with ACD + AYC)
• 4WD-ECU malfunction
NG
NO
OK
OK
OK
YES
NG
OK
(3) OK
OK
OK
(1) OK
(1) OK
OK
MANUAL TRANSMISSION - TROUBLESHOOTING
22-6
<Vehicles fitted with ACD+AYC>
MUT-II/III service data*2
• No. 61: ABS monitor
(1) ABS-ECU connector: disconnect
OK: ON
(2) ABS-ECU connector: connect
OK: OFF
OK
→
intermittent malfunction
(ref. Chapter 00 - Countermeasures for Intermittent
Malfunctions) *2
C-37 4WD-ECU connector measurement
• Undo connector, then take measurement on harness
side
• Voltage across 48 – body earth
OK: battery voltage
Check connectors C-37, C-20, B-109
NG
→
repair
Check harness between 4WD-ECU and ABS –ECU
• Check output wire to see if it broken or damaged
NG
→
repair
Check connectors C-37, C-20, B-109
NG
→
repair
Check harness between 4WD-ECU and ABS-ECU
• Check output wire to see if it is broken, has a short,
or is damaged
B-109 ABS-ECU connector measurement
• Measure ECU terminal voltage
• Voltage across 3 – body earth
• Do ABS actuator test (No.05: ABS signal)
OK: 1V or less for a period of 10 seconds during the
test, and battery voltage after that
NG
→
replace hydraulic unit and ABS-ECU
Check connectors C-37, C-107
• Check to see if earth wire is broken or damaged
NG
→
repair
Check harness between 4WD-ECU and body earth
Check earth wire to see if it is broken or damaged
NG
→
repair
Check connector C-37
NG
→
repair
C-37 4WD-ECU connector measurement
• Undo connector, then take measurement on harness
side
• Resistance across 50 – body earth
OK: 2Ω or less
Check connectors C-37, C-107
NG
→
repair
Replace 4WD-ECU
MUT-II/III service data
• No. 61: ABS monitor
OK: OFF
NG
→
replace 4WD-ECU
OK
→
intermittent fault
(ref. Chapter 00 - Countermeasures for Intermittent
Malfunctions) *2
<Vehicles fitted with ACD>
Code No.65 ABS Monitoring System
Probable causes
When ABS operating for 1 minute or more continuously is
detected, code No. 65 is output.
• Harness, connector malfunction
• ABS-ECU malfunction <vehicles fitted with ACD+AYC>
• 4WD-ECU malfunction
(2) NG
OK
OK
OK
OK
(1) NG
NG
OK
OK
OK
OK
NG
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