wheel MITSUBISHI MONTERO 2000 Service Owner's Guide

MITSUBISHI SC-Troubleshooting/On-vehicle Service13E-18
Terminal No.Signal nameNormal condition
Between terminal 13 and body earthEarthContinuity
Between terminal 26 and body earthEarth
Between terminal 31 and body earthEarth
ON-VEHICLE SERVICE
OPERATION TEST OF MITSUBISHI SC
1. Connect the MUT-
IIto the 16-pin diagnosis connector.
Caution
Turn the ignition switch to the LOCK (OFF) position
when connecting and disconnecting the MUT-
II.
2. Move the shift lever to the neutral , or the selector
lever to the P range.
3. Start the engine.
4. Use the MUT-
IIto activate the Actuator Test (item No.05)
while depressing the accelerator pedal fully. Check that
the engine speed should decrease gradually.
Caution
Activate the Actuator Test for three seconds.
Release the accelerator pedal immediately after the
Actuator Test is complete, or the engine speed will
rise.
NOTE
During the Actuator Test, the SC-ECU transmits the signal,
which requests no torque and wide open throttle, to the
engine-ECU or engine-A/T-ECU for three seconds.
WHEEL SPEED SENSOR (FR) CHECK
Refer to Basic Manual GROUP 35B - On-vehicle service.
VEHICLE SPEED SENSOR CHECK
Refer to Basic Manual GROUP 54A - Combination Meter.


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INTAKE AND EXHAUST -Intake and Exhaust Manifold,
Turbocharger <4D5>15-13
INSTALLATION SERVICE POINT
"
AA
TURBOCHARGER ASSEMBLY INSTALLATION
1. Check the internal surface, the eye bolt and the
mating surface of the oil pipe and water pipe for
clogging, and clean if necessary.
2. If deposits of carbon are accumulated on the
turbocharger oil passage, remove them and clean
using the compressed air.
Caution
Be careful not to allow foreign material to enter the
turbocharger.
3. Add clean engine oil through the oil feed pipe port
on the turbocharger.
INSPECTION
TURBOCHARGER ASSEMBLY CHECK
DVisually check the turbine wheel and the compressor
wheel for cracking or other damage.
DCheck whether the turbine wheel and the compressor
wheel can be easily turned by hand.
DCheck for oil leakage from the turbocharger assembly.
DCheck whether or not the waste gate valve remains open.
If any problem is found, replace the part after disassembly.
OIL PIPE AND OIL RETURN PIPE CHECK
Check the oil pipe and oil return pipe for clogging, bending,
or other damage. If there is clogging, clean it.
EXHAUST MANIFOLD CHECK
Damage or cracking of any part.


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INTAKE AND EXHAUST -Turbocharger and Exhaust
Manifold <4M4>15-15
INSTALLATION SERVICE POINT
"
AA
TURBOCHARGER ASSEMBLY INSTALLATION
1. Check the internal surface, the eye bolt and the
mating surface of the oil pipe and water pipe for
clogging, and clean if necessary.
2. If deposits of carbon are accumulated on the
turbocharger oil passage, remove them and clean
using the compressed air.
Caution
Be careful not to allow foreign material to enter the
turbocharger.
3. Add clean engine oil through the oil feed pipe port
on the turbocharger.
INSPECTION
Check the following points; replace the part if a problem is
found.
EXHAUST MANIFOLD CHECK
1. Check for damage or cracking of any part.
2. Using a straight edge and a thickness gauge, check for
distortion of the cylinder head installation surface.
Standard value: 0.15 mm or less
Limit: 0.20 mm
TURBOCHARGER ASSEMBLY CHECK
DVisually check the turbine wheel and the compressor
wheel for cracking or other damage.
DCheck whether the turbine wheel and the compressor
wheel can be easily turned by hand.
DCheck for oil leakage from the turbocharger assembly.
DCheck whether or not the waste gate valve remains open.
If any problem is found, replace the part after disassembly.
OIL PIPE AND OIL RETURN PIPE CHECK
Check the oil pipe and oil return pipe for clogging, bending,
or other damage. If there is clogging, clean it.
EXHAUST MANIFOLD CHECK
Damage or cracking of any part.


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INTAKE AND EXHAUST -Exhaust Pipe and Main Muffler <4D5>15-24
Exhaust main muffler and rear
floor heat protector removal steps

1. Exhaust main muffler
6. Hanger
7. Hanger bracket
8. Hanger bracket
11. Rear floor heat protector
Tail exhaust pipe and rear floor
heat protector removal steps

2. Tail exhaust pipe
7. Hanger
9. Hanger bracket
10. Hanger bracket
12. Rear floor heat protector
Center exhaust pipe removal steps

3. Center exhaust pipe
13. Hanger
14. Hanger bracketExhaust main muffler removal steps

4. Exhaust main muffler
13. Hanger
14. Hanger bracket
Front exhaust pipe and dash heat
protector removal steps
DUnder cover
5. Front exhaust pipe
15. Exhaust support bracket
16. Dash heat protector
Pre-muffler and front floor heat
protector removal steps
17. Pre-muffler
18. Front floor heat protector
19. Seal ring


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E
XH AUST PIP E AND MAIN MUFFLE R <4M 4>
R EM OVA L AND IN STA LLA TIO N 3
1
3
14
8
1 1
1
1 7 6
6
1 3
13
1
8
1 9
5 1
7
4 9
±4
N
×m
4
9
±1
0 N
×m
2 5
±4
N
×m 4
9
±1
0 N
×m 1
3
±2
N
×m
13
±2
N
×m
4
9
±1
0 N
×m
< L ong wheelb ase> 2
1 3 6
1 2
9 6
4
13
1
4
1
3
1 9 1
8
5
1
6
15 1
6

INTAKE AND EXHAUST -Exhaust Pipe and Main Muffler<4M4>15-26
Exhaust main muffler and rear
floor heat protector removal steps

1. Exhaust main muffler
6. Hanger
7. Hanger bracket
8. Hanger bracket
11. Rear floor heat protector
Tail exhaust pipe and rear floor
heat protector removal steps

2. Tail exhaust pipe
7. Hanger
9. Hanger bracket
10. Hanger bracket
12. Rear floor heat protector
Center exhaust pipe removal steps

3. Center exhaust pipe
13. Hanger
14. Hanger bracketExhaust main muffler removal steps

4. Exhaust main muffler
13. Hanger
14. Hanger bracket
Front exhaust pipe and dash heat
protector removal steps
DUnder cover
5. Front exhaust pipe
15. Exhaust support bracket
16. Dash heat protector
Front floor heat protector removal
steps
17. Catalytic converter
18. Front floor heat protector
19. Seal ring


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INTAKE AND EXHAUST -Exhaust Pipe and Main Muffler <4D5>15-15
Exhaust main muffler and rear
floor heat protector removal steps

1. Exhaust main muffler
6. Hanger
7. Hanger bracket
8. Hanger bracket
11. Rear floor heat protector
Tail exhaust pipe and rear floor
heat protector removal steps

2. Tail exhaust pipe
6. Hanger
9. Hanger bracket
10. Hanger bracket
12. Rear floor heat protector
Center exhaust pipe removal steps

3. Center exhaust pipe
13. Hanger
14. Hanger bracketExhaust main muffler removal steps

4. Exhaust main muffler
13. Hanger
14. Hanger bracket
Front exhaust pipe and dash heat
protector removal steps
DUnder cover
5. Front exhaust pipe
15. Exhaust support bracket
16. Dash heat protector
Front floor heat protector removal
steps
17. Catalytic converter
18. Front floor heat protector
19. Seal ring


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MANUAL TRANSMISSION -4WD Indicator-ECU/Transfer-ECU22-18
Terminal No.Inspection itemInspection condition
1: Ignition switchInspection condition
2: Transfer lever positionTerminal voltage
1Free wheel engageON2HSystem voltage
switch
4H*10V
24WD detectionON2HSystem voltage
switch
4H, 4L0V
3Ignition switch (IG1)OFF-0V
ON-System voltage
6HI/LOW detection
switchONShifting from 4H to 4L
or vice versaSystem voltage
2H, 4H, 4L0V
7Free wheel clutchON4H, 4L0V
changeover solenoid
valve
2H*2System voltage
104WD Indicator lampON2H0V
4H, 4LSystem voltage
NOTE
*1:When vehicle has been moved once.
*2:Shift the lever from 4H to 2H, and then turn the ignition switch to OFF and then back to ON.
TRANSFER-ECU
Measure the terminal voltage (Refer to P.22-3).


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AUTOMATIC TRANSMISSION -Troubleshooting II>23-71
Diagnosis
codeReference page Diagnosis item
35Freewheel engage switch systemOpen circuit/Short-cir-
cuit/Malfunction of
switch23-83
41Shift actuator (short-circuit/open circuit) systemOpen circuit/Short-cir-
cuit/Malfunction of ac-
tuator/Malfunction of
ECU23-84
42Shift actuator (short-circuit) systemShort-circuit/Malfunc-
tion of actuator/Mal-
function of ECU23-85
43Shift actuator (open circuit) systemOpen circuit/Malfunc-
tion of actuator/Mal-
function of ECU
44Shift actuator (overload) systemMalfunction of transfer
shift mechanism/Mal-
function of actuator23-86
45Tyre problemIncorrect tyre pres-
sure/Uneven tyre sizes23-86
51Malfunction of transfer-ECU23-86


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