sensor MITSUBISHI MONTERO 2000 Service Repair Manual

AUTOMATIC TRANSMISSION -Troubleshooting <A/T>23-17
Code No. 15 A/T fluid temperature sensor systemProbable cause
If the A/T fluid temperature sensor output is 4.5 V or higher even after driving
for 10 minutes or more (fluid temperature does not rise), it isjudged that there
is an opencircuit in the A/T fluid temperature sensor and code No. 15 is output.DMalfunction of A/T fluid temperature sensor
DMalfunction of harness or connector
DMalfunction of engine-A/T-ECU <6G7>
DMalfunction of A/T-ECU<4M4>
LRefer to the Transmission Workshop Manual.
NG
Transient malfunction (Refer to GROUP 00 - Points to Note
for Transient Malfunctions.)
Check the following connectors:<6G7> D-121,<4M4>D-108
OK
Check the trouble symptoms.
Replace the engine-A/T-ECU or A/T-ECU.
OKRepair NG
NG
To the nextpage
OK
NG
NG
OK
Measure at engine-A/T-ECU connector D-121 <6G7>, or at
A/T-ECU connector D-107 <4M4>.
DMeasure at the ECU terminals
DIgnition switch: ON
D<6G7> Voltage between terminal 81 and earth
D<4M4> Voltage between terminal 43 and earth
OK:0.5 V or less
NG OK
Check the following connectors:<6G7> D-122,<4M4>D-108
Check the trouble symptoms.
Replace the engine-A/T-ECU or A/T-ECU.
OK
NGReplace the A/T fluid temperature sensor.
L
Measure at engine-A/T-ECU connector D-122 <6G7>, or at
A/T-ECU connector D-108 <4M4>.
DMeasure at the ECU terminals
DIgnition switch: ON
D<6G7> Voltage between terminal 124 and earth
D<4M4> Voltage between terminal 44 and earth
OK:A/T fluid temperature
3.8 - 4.0 V at 20
_C
3.2 - 3.4 V at 40
_C
1.7 - 1.9 V at 80
_COK
MUT-
IIData List
DNo.15 A/T fluid temperature sensor
OK:When the engine iscold, the temperature is about
the same as the atmospheric temperature (air tem-
perature).
When the engine is hot, the temperature is 70 -
80
_C.
NG
Repair
NG
Revision
Measure at solenoid valve assembly connector C-04.
DDisconnect the connector and measure at the sensor side.
DResistance between terminals 1 and 2
OK:A/T fluid temperature
16.7 - 20.5 k
Wat 0
_C
7.3 - 8.9 k
Wat 20
_C
3.4 - 4.2 k
Wat 40
_C
1.9 - 2.2 k
Wat 60
_C
1.0 - 1.2 k
Wat 80
_C
0.57 - 0.69 k
Wat 100
_C
Check the following connectors:<6G7> C-04, D-122,
D-121,<4M4> D-108, C-04


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AUTOMATIC TRANSMISSION -Troubleshooting <A/T>AUTOMATIC TRANSMISSION -Troubleshooting <A/T>AUTOMATIC TRANSMISSION -Troubleshooting <A/T>23-18
OK
(2)NG
From the previouspage
Repair
OK
Repair
Check the following connector:E-113
Repair
Measure at solenoid valve assembly
connector C-04.
DDisconnect the connector and
measure at the harness side.
(1) Voltage between terminal 1 and
earth
(Ignition switch: ON)
OK:4.8 - 5.2 V
(2) Resistance between terminal 2
and earth
OK:2
Wor lessOK
OK
OKNG NG (1)NG
NG
DCheck the harness between the
solenoid valve assembly and the
engine-A/T-ECU (earth line), and
repair if necessary. <6G7>
DCheck the harness between the
solenoid valve assembly and the
A/T-ECU (earth line), and repair if
necessary.<4M4>
DCheck the harness between the
solenoid valve assembly and the
engine-A/T-ECU (power supply
line), and repair if necessary.
<6G7>
DCheck the harness between the
solenoid valve assembly and the
A/T-ECU (power supply line), and
repair if necessary.<4M4>
DCheck the harness between the
solenoid valve assembly and the
engine-A/T-ECU, and repair if
necessary. <6G7>
DCheck the harness between the
solenoid valve assembly and the
A/T-ECU, and repair if necessary.
<4M4>Check the following connector:E-113
Check the following connector:E-113
Code No. 21 Crank angle sensor <6G7> or engine speed
sensor <4M4> systemProbable cause
If no output pulse from the crankanglesensor orenginespeed sensor is
detected for 5 seconds or more when the vehicle speed is 25 km/h or more, it
is judged that there is an opencircuit in the crankanglesensor or anopen
circuit in theenginespeed sensor, and code No. 21 is output.DMalfunction of crankshaft sensingblade<6G7>
DMalfunction of crankanglesensor <6G7>
DMalfunction of enginespeed sensor<4M4>
DMalfunction of harness or connector
DMalfunction of engine-A/T-ECU <6G7>
DMalfunction of A/T-ECU<4M4>
Check the following connectors:
<6G7> B-52,<4M4>B-36Repair
Transient malfunction
(Refer to GROUP 00 - Points to
Note for Transient Malfunctions.)
OK NG
NGOKMUT-
IIData List
DNo. 21 Crankanglesensor
<6G7>
No. 21 Engine speed sensor
<4M4>
OK:Refer to P.23-61 (Data List
Chart).
To the nextpage


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AUTOMATIC TRANSMISSION -Troubleshooting <A/T>23-19
OK NGCheck the following connectors:
<6G7> D-120,<4M4> D-113, D-108 OK OK
Repair OK Repair
OK
DCheck the harness between the
crankanglesensor and body
earth, and repair if necessary.
<6G7>
DCheck the harness between the
injection pumpassembly and
body earth, and repair if
necessary.<4M4> (1)NG
(2)NG
OK
NG
Measure at engine-A/T-ECU
connector D-120 <6G7>, or at
A/T-ECU connector D-107 <4M4>.
DMeasure at the ECU terminals
DDisconnect connector B-52
<6G7>, or connector B-36
<4M4>.
DIgnition switch: ON
D<6G7> Voltage between terminal
45 and earth
D<4M4> Voltage between terminals
33 and earth
OK:4.8 - 5.2 V
NG
RepairCheck the following connectors:
<6G7> D-120,<4M4> D-113,D-108
NG
Check the trouble symptoms.
Replace the engine-A/T-ECU or
A/T-ECU.
NG
Repair
OKCheck the following connector:
B-25X
(3)NG
OK
Measure at crankanglesensor
connector B-52 <6G7>, or at
injection pumpassembly connector
B-36 <4M4>.
DDisconnect the connector and
measure at the harness side.
(1) <6G7> Resistance between
terminal 1 and earth
<4M4>Resistance between
terminal 4 and earth
OK:2
Wor less
(2) Voltage between terminal 2 and
earth
(Ignition switch: ON)
OK:4.8 - 5.2 V
(3) Voltage between terminal 3 and
earth
(Ignition switch: ON)
OK:System voltageNG
DCheck the harness between the
crankanglesensor and the
engine-A/T-ECU, and repair if
necessary. <6G7>
DCheck the harness between the
injection pumpassembly and the
A/T-ECU, and repair if necessary.
<4M4>
Check the following connectors:
<6G7> B-52,<4M4>B-36
DCheck the harness between the
crankanglesensor and the
engine controlrelay, and repair if
necessary. <6G7>
DCheck the harness between the
injection pumpassembly and the
engine controlrelay, and repair if
necessary.<4M4>
From the previouspage
OK
NG
Replace the engine-A/T-ECU or
A/T-ECU.
Check the trouble symptoms.
Repair NG
NG
Replace the crankshaft sensing
blade. <6G7>
Replace the crankanglesensor
<6G7> or theenginespeed sensor
<4M4>.
Check the trouble symptoms.
Check the following connectors:
<6G7> B-52, D-120, B-25X
<4M4> D-108, D-113,B-36, B-25X
OK
OK
DCheck the harness between the
crankanglesensor and the
engine-A/T-ECU, and repair if
necessary. <6G7>
DCheck the harness between the
enginespeed sensor and the
A/T-ECU, and repair if necessary.
<4M4>
DCheck the harness between the
crankanglesensor and the
engine controlrelay, and repair if
necessary. <6G7>
DCheck the harness between the
enginespeed sensor and the
engine controlrelay, and repair if
necessary.<4M4>
DCheck the harness between the
crankanglesensor and body
earth, and repair if necessary.
<6G7>
DCheck the harness between the
enginespeed sensor and body
earth, and repair if necessary.
<4M4>
Measure the output wave pattern at
crankanglesensor connector
B-52 <6G7>, or at injectionpump
assembly connector B-36<4M4>
(using an oscilloscope).
DUse the test harness (MD998478)
to connect the terminals, and
then measure at the pickup
harness.
DEngine: Idling
DSelector lever position: P
DVoltage between terminal 2 and
earth
OK:A wave pattern such as the
one shown on P.23-69
(Check Procedure Using an
Oscilloscope) should be
output, and the maximum
value should be 4.8 V or
more and the minimumval-
ue should be 0.6 V or less.
There should be no noise
in the output wave pattern.NG NG
Repair NG
Repair
DCheck the harness between the
crankanglesensor and the
engine-A/T-ECU. <6G7>
DCheck the harness between the
injection pumpassembly and the
A/T-ECU.<4M4>


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AUTOMATIC TRANSMISSION -Troubleshooting <A/T>23-20
Code No. 22 Input shaft speed sensor systemProbable cause
If no output pulse from the input shaft speed sensor is detected for 1 second or
more while the vehicle is driving at 30 km/h or more in 4th, it isjudged that
there is a short-circuit oropencircuit in the input shaft speed sensor, and code
No. 22 is output.
If code No. 22 is output 4 times, the transmission is locked at 3rd gear (D) or
2nd gear (downshift operation in Sports mode) as a fail-safe measure, and the N
range indicator lampflashes at 1 Hz.DMalfunction of input shaft speed sensor
DMalfunction of reverse clutch retainer
DMalfunction of harness or connector
DMalfunction of engine-A/T-ECU <6G7>
DMalfunction of A/T-ECU<4M4>
LRefer to the Transmission Workshop Manual.
Transient malfunction
(Refer to GROUP 00 - Points to
Note for Transient Malfunctions.)
OK NG
Check the following connectors:
<6G7> D-121,<4M4>D-108
To the nextpage
NG
OKNG
NG
RepairCheck the following connectors:
<6G7> D-122,<4M4>D-108
Replace the engine-A/T-ECU or
A/T-ECU.
OKMUT-
IIData List
DNo. 22 Input shaft speed sensor
OK:Refer to P.23-61 (Data List
Chart).
Repair
OK
NG
NG
Check the trouble symptoms.
OK
Measure at engine-A/T-ECU
connector D-121 <6G7>, or at
A/T-ECU connector D-107 <4M4>.
DMeasure at the ECU terminals
DIgnition switch: ON
D<6G7> Voltage between terminal
81 and earth
D<4M4> Voltage between terminal
43 and earth
OK:0.5 V or less
Replace the engine-A/T-ECU or
A/T-ECU. NGCheck the trouble symptoms.
NG
Check the trouble symptoms.
Check the following connectors:
<6G7> D-121, D-122,<4M4>D-108
Replace the engine-A/T-ECU or
A/T-ECU.
OK
OK
Measure at engine-A/T-ECU
connector D-122 <6G7>, or at
A/T-ECU connector D-108 <4M4>.
DMeasure at the ECU terminals
DDisconnect C-23
DIgnition switch: ON
D<6G7> Voltage between terminal
103 and earth
D<4M4> Voltage between terminal
31 and earth
OK:4.8 - 5.2 V
Measure the output wave pattern of
the input shaft speed sensor at
engine-A/T-ECU connectors D-121
and D-122 <6G7>, or at A/T-ECU
connector D-108<4M4>(using an
oscilloscope).
DVehicle speed: approx. 50 km/h
DShift range: 4th
D<6G7> Voltage between terminal
81 of D-121 and terminal 103 of
D-122
D<4M4> Voltage between terminal
31 of D-108 and terminal 43 of
D-108
OK:A wave pattern such as the
one shown on P.23-69
(Check Procedure Using an
Oscilloscope) should be
output, and the maximum
value should be 4.8 V or
more and the minimumval-
ue should be 0.8 V or less.
There should be no noise
in the output wave pattern.NG
NG
Repair


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AUTOMATIC TRANSMISSION -Troubleshooting <A/T>23-21
(3)NG
From the previouspage
OK(1)NG
NG
Repair
Check the following connector:E-113
OK
NG
Repair
Check the following connector:E-113
OK(2)NGNG
Repair
Check the harness between the
input shaft speed sensor and the
ignition switch, and repair if
necessary.Check the following connectors:
D-208, D-213, D-32, E-115
NG
Check the trouble symptoms.
OK
NG
RepairCheck the following connectors:
D-208, D-213, D-32, E-115, E-113
NG
Repair
OK
NG
Check the trouble symptoms.
OK
Eliminate the cause of the noise.Overhaul the A/T.
L
DReplace the reverse clutch
retainer.Check the trouble symptoms.
Replace the input shaft speed
sensor.
LOK
OK
NG
RepairCheck the following connectors:
<6G7> D-121, D-122, C-23,<4M4>
D-108, C-23OK
DCheck the harness between the
input shaft speed sensor and the
engine-A/T-ECU (earth line), and
repair if necessary. <6G7>
DCheck the harness between the
input shaft speed sensor and the
A/T-ECU (earth line), and repair if
necessary.<4M4>
DCheck the harness between the
input shaft speed sensor and the
engine-A/T-ECU (sensor line),
and repair if necessary. <6G7>
DCheck the harness between the
input shaft speed sensor and the
A/T-ECU (sensor line), and repair
if necessary.<4M4>
Measure at input shaft speed sensor
connector C-23.
DDisconnect the connector and
measure at the harness side.
(1) Resistance between terminal 1
and earth
OK:2
Wor less
(2) Voltage between terminal 2 and
earth
(Ignition switch: ON)
OK:4.8 - 5.2 V
(3) Voltage between terminal 3 and
earth
(Ignition switch: ON)
OK:System voltage
DCheck the harness between the
input shaft speed sensor and the
engine-A/T-ECU (earth line).
<6G7>
DCheck the harness between the
input shaft speed sensor and the
A/T-ECU (earth line).<4M4>
DCheck the harness between the
input shaft speed sensor and the
ignition switch.


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AUTOMATIC TRANSMISSION -Troubleshooting <A/T>23-22
Code No. 23 Output shaft speed sensor systemProbable cause
If the output from the output shaft speed sensor is 50% or less continuously for
1 second or more while the vehicle is driving at 30 km/h or more in 4th, it is
judged that there is ashort-circuit oropencircuit in the output shaft speed
sensor, and code No. 23 is output.
If code No. 23 is output 4 times, the transmission is locked at 3rd gear (D) or
2nd gear (downshift operation in Sports mode) as a fail-safe measure, and the N
range indicator lampflashes at 1 Hz.DMalfunction of output shaft speed sensor
DMalfunction of direct planetary carrier
DMalfunction of harness or connector
DMalfunction of engine-A/T-ECU <6G7>
DMalfunction of A/T-ECU<4M4>
LRefer to the Transmission Workshop Manual.
NG
Repair
NG
Transient malfunction
(Refer to GROUP 00 - Points to
Note for Transient Malfunctions.)
OK NG
Check the following connectors:
<6G7> D-122,<4M4>D-108
To the nextpage
NG
OK
NG
RepairCheck the following connectors:
<6G7> D-122,<4M4>D-108
Replace the engine-A/T-ECU or
A/T-ECU.
OKMUT-
IIData List
DNo. 23 Output shaft speed
sensor system
OK:Refer to P.23-61 (Data List
Chart).
Repair
OK
OK
NG
Check the trouble symptoms.
OK
Measure at engine-A/T-ECU
connector D-121 <6G7>, or at
A/T-ECU connector D-107 <4M4>.
DMeasure at the ECU terminals
DIgnition switch: ON
D<6G7>Voltage between terminals
81 and earth
D<4M4> Voltage between terminal
43 and earth
OK:0.5 V or less
Replace the engine-A/T-ECU or
A/T-ECU. NGCheck the trouble symptoms.
NG
Check the trouble symptoms.
Check the following connectors:
<6G7> D-121, D-122,<4M4>D-108
Replace the engine-A/T-ECU or
A/T-ECU.
OK
Measure at engine-A/T-ECU
connector D-122 <6G7>, or at
A/T-ECU connector D-108 <4M4>.
DMeasure at the ECU terminals
DDisconnect C-02
DIgnition switch: ON
D<6G7>Voltage between terminals
104 and earth
D<4M4> Voltage between terminal
32 and earth
OK:4.8 - 5.2 VNG
Measure the output wave pattern of
the output shaft speed sensor at
engine-A/T-ECU connectors D-121
and D-122 <6G7>, or at A/T-ECU
connector D-108<4M4>(using an
oscilloscope).
DVehicle speed: approx. 50 km/h
DShift range: 4th
D<6G7> Voltage between terminal
81 of D-121 and terminal 104 of
D-122
D<4M4> Voltage between terminal
32 of D-108 and terminal 43 of
D-108
OK:A wave pattern such as the
one shown on P.23-69
(Check Procedure Using an
Oscilloscope) should be
output, and the maximum
value should be 4.8 V or
more and the minimumval-
ue should be 0.8 V or less.
There should be no noise
in the output wave pattern.NG
Repair
NG


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AUTOMATIC TRANSMISSION -Troubleshooting <A/T>23-23
NG
From the previouspage
OK(1)NG
NG
Repair
Check the following connector:E-113
OK
NG
Repair
Check the following connector:E-113
OK
Replace the output shaft speed
sensor.
L(2)NG
(3)NG
NG
Repair
Measure at output shaft speed
sensor connector C-23.
DDisconnect the connector and
measure at the harness side.
(1) Resistance between terminal 1
and earth
OK:2
Wor less
(2) Voltage between terminal 2 and
earth
(Ignition switch: ON)
OK:4.8 - 5.2 V
(3) Voltage between terminal 3 and
earth
(Ignition switch: ON)
OK:System voltage
Check the harness between the
output shaft speed sensor and the
ignition switch, and repair if
necessary.OKCheck the following connectors:
D-208, D-213, D-32, E-115
NG
Check the trouble symptoms.
OK
NG
RepairCheck the following connectors:
D-208, D-213, D-32, E-115, E-113
NG
Repair
OK
NG
Check the trouble symptoms.
NG
Eliminate the cause of the noise.Overhaul the A/T.
DReplace the direct planetary
carrier.Check the trouble symptoms.
OK
NG
RepairCheck the following connectors:
<6G7> D-121, D-122, C-24,<4M4>
D-108, C-24
DCheck the harness between the
output shaft speed sensor and
the engine-A/T-ECU (earth line),
and repair if necessary. <6G7>
DCheck the harness between the
output shaft speed sensor and
the A/T-ECU (sensor line), and
repair if necessary.<4M4>
DCheck the harness between the
output shaft speed sensor and
the engine-A/T-ECU (earth line),
and repair if necessary. <6G7>
DCheck the harness between the
output shaft speed sensor and
the A/T-ECU (earth line), and
repair if necessary.<4M4>
DCheck the harness between the
output shaft speed sensor and
the engine-A/T-ECU. <6G7>
DCheck the harness between the
output shaft speed sensor and
the A/T-ECU.<4M4>
DCheck the harness between the
output shaft speed sensor and
the ignition switch.


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AUTOMATIC TRANSMISSION -Troubleshooting <A/T>23-32
Code No.41 1st without completion of shiftingProbable cause
If the output shaft speed sensor output multiplied by the 1st gear ratio is not
identical to the input shaft speed sensor output after shifting to 1st, code No. 41
is output.
If code No. 41 is output 4 times, the transmission is fixed in 3rd and the N
range lampflashes at a rate of 1 Hz.DMalfunction of input shaft speed sensor
DMalfunction of output shaft speed sensor
DMalfunction of harness or connector
DMalfunction of solenoid valve
DMalfunction of reverse clutch retainer
DMalfunction of direct planetary carrier
DMalfunction of LR brake system
DMalfunction of UD clutch system
DMalfunction of RED brake system
DMalfunction of one-way clutch system
DMalfunction of engine-A/T-ECU <6G7>
DMalfunction of A/T-ECU<4M4>
DNoise is generated.
LRefer to the Transmission Workshop Manual.
Repair
NO
YES
YES
MUT-
IISelf-Diag Code
DIs code No. 22 output?Code No. 22 Input shaft speed sensor system check
(Refer to P.23-20.)
OKNO
Code No. 23 Input shaft speed sensor system check
(Refer to P.23-22.)MUT-
IIActuator Test
DIs code No. 23 output?
NG
NGMUT-
IIActuator Test
DNo.1 LR solenoid valve
DNo.2 UD solenoid valve
DNo.3 2ND solenoid valve
DNo.4 OD solenoid valve
DNo.5 RED solenoid valve
OK:The sound of operation should be heard.Replace the appropriate solenoid valve.
L
DCheck the harness between the input shaft speed sensor
and the engine-A/T-ECU. <6G7>
DCheck the harness between the input shaft speed sensor
and the A/T-ECU.<4M4>
Replace the input shaft speed sensor.
LNG
Check the trouble symptoms.
Overhaul the A/T.
L
DReplace the reverse clutch retainer.
Check the trouble symptoms.
Eliminate the cause of the noise.To the nextpage
Measure the output wave pattern of the input shaft speed
sensor at engine-A/T-ECU connectors D-121 and D-122
<6G7>, or at A/T-ECU connector D-108<4M4>(using an
oscilloscope).
DVehicle speed: approx. 50 km/h
DShift range: 4th
<6G7> Voltage between No.81 (D-121) and No.103 (D-122)
<4M4> Voltage between No.31(D-108) and No.43 (D-108)
OK:A wave pattern such as the one shown on P.23-69
(Check Procedure Using an Oscilloscope) should be
output, and the maximum value should be 4.8 V or more
and the minimumvalue should be 0.8 V or less. There
should be no noise in the output wave pattern.
OKOK
NG
NG


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AUTOMATIC TRANSMISSION -Troubleshooting <A/T>23-33
NG
Replace the valve body assembly.
L
Check the trouble symptoms.
Replace the engine-A/T-ECU or A/T-ECU.
Check the trouble symptoms.
Repair
OK
NGDCheck the harness between the output shaft speed sensor
and the engine-A/T-ECU. <6G7>
DCheck the harness between the output shaft speed sensor
and the A/T-ECU.<4M4>
Replace the output shaft speed sensor.
L OK
Check the trouble symptoms.
Overhaul the A/T.
L
DReplace the direct planetary carrier.
Check the trouble symptoms.
Eliminate the cause of the noise.
To the nextpage
Measure the output wave pattern of the output shaft speed
sensor at engine-A/T-ECU connectors D-121 and D-122
<6G7>, or at A/T-ECU connector D-108<4M4>(using an
oscilloscope).
DVehicle speed: approx. 50 km/h
DShift range: 4th
<6G7> Voltage between No.81 (D-121) and No.104 (D-122)
<4M4> Voltage between No.32(D-108) and No.43 (D-108)
OK:A wave pattern such as the one shown on P.23-69
(Check Procedure Using an Oscilloscope) should be
output, and the maximum value should be 4.8 V or more
and the minimumvalue should be 0.8 V or less. There
should be no noise in the output wave pattern.
OK
NG
Overhaul the A/T.
L
DReplace the UD clutch. (Code No. 42, 43 or No. 44 is
output, or no other codes are output.)
DReplace the LR brake. (Code No. 46 is output, or no other
codes are output.)
DReplace the RED brake. (Code No. 42, 43 or No. 46 is
output, or no other codes are output.)
DReplace the one-way clutch (OWC-L). (No other codes are
output.)
DReplace the one-way clutch (OWC-D). (Code No. 42 or
No. 43 is output, or no other codes are output.)NG
NG NG


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AUTOMATIC TRANSMISSION -Troubleshooting <A/T>23-34
Code No. 42 2nd without completion of shiftingProbable cause
If the output shaft speed sensor output multiplied by the 2nd gear ratio is not
identical to the input shaft speed sensor output after shifting to 2nd, code No. 42
is output.
If code No. 42 is output 4 times, the transmission is fixed in 3rd and the N
range lampflashes at a rate of 1 Hz.DMalfunction of input shaft speed sensor
DMalfunction of output shaft speed sensor
DMalfunction of harness or connector
DMalfunction of solenoid valve
DMalfunction of reverse clutch retainer
DMalfunction of direct planetary carrier
DMalfunction of 2ND brake system
DMalfunction of UD clutch system
DMalfunction of RED brake system
DMalfunction of one-way clutch system
DMalfunction of engine-A/T-ECU <6G7>
DMalfunction of A/T-ECU<4M4>
DNoise is generated.
LRefer to the Transmission Workshop Manual.
Repair
NO
YES
YES
MUT-
IISelf-Diag Code
DIs code No. 22 output?Code No. 22 Input shaft speed sensor system check
(Refer to P.23-20.)
OK NO
Code No. 23 Output shaft speed sensor system check
(Refer to P.23-22.)MUT-
IIActuator Test
DIs code No. 23 output?
NG
NGMUT-
IIActuator Test
DNo.1 LR solenoid valve
DNo.2 UD solenoid valve
DNo.3 2ND solenoid valve
DNo.4 OD solenoid valve
DNo.5 RED solenoid valve
OK:The sound of operation should be heard.Replace the appropriate solenoid valve.
L
DCheck the harness between the input shaft speed sensor
and the engine-A/T-ECU. <6G7>
DCheck the harness between the input shaft speed sensor
and the A/T-ECU.<4M4>
Replace the input shaft speed sensor.
LNG
Check the trouble symptoms.
Overhaul the A/T.
L
DReplace the reverse clutch retainer.
Check the trouble symptoms.
Eliminate the cause of the noise.To the nextpage
Measure the output wave pattern of the input shaft speed
sensor at engine-A/T-ECU connectors D-121 and D-122
<6G7>, or at A/T-ECU connector D-108<4M4>(using an
oscilloscope).
DVehicle speed: approx. 50 km/h
DShift range: 4th
<6G7> Voltage between No.81 (D-121) and No.103 (D-122)
<4M4> Voltage between No.31(D-108) and No.43 (D-108)
OK:A wave pattern such as the one shown on P.23-69
(Check Procedure Using an Oscilloscope) should be
output, and the maximum value should be 4.8 V or more
and the minimumvalue should be 0.8 V or less. There
should be no noise in the output wave pattern.
OKOK
NG
NG


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