Mitsubishi Montero (2004+). Manual — part 874
AUTOMATIC TRANSMISSION DIAGNOSIS
TSB Revision
AUTOMATIC TRANSMISSION
23A-71
DTC 22 (P0715): Input Shaft Speed Sensor System
AC205189AC
Input Shaft Speed Sensor System Circuit
AUTOMATIC TRANSMISSION DIAGNOSIS
TSB Revision
AUTOMATIC TRANSMISSION
23A-72
AC204747
CONNECTOR : C-16
C-16 (B)
AB
1
3
2
AC204170
CONNECTOR : D-01
CD
9 10
8
6 7
31 32
30
29
18 19 20 21
5
4
2
1
3
27
26
24
23
25
12 13 14 15 16 17
28
11
22
33
AC204681AC
CONNECTOR: D-134
D-134 (GR)
61 62
63 64
65 66 67 68 69 70 71 72 73
82
89
81
88
80
79
78
77
87
86
85
76
75
74
84
83
AC204191
CONNECTORS : D-208, D-212
5 6
2
4
3
1
JUNCTION BLOCK
(FRONT VIEW)
3
10
9
4
11
8
7
1
5
2
6
D-208
D-208
D-212
D-212
AS
AUTOMATIC TRANSMISSION DIAGNOSIS
TSB Revision
AUTOMATIC TRANSMISSION
23A-73
.
CIRCUIT OPERATION
• The input shaft speed sensor generates 0 ⇔ 5
volts pulse signal when the input shaft rotates.
The pulse signal frequency increases with a rise
in input shaft speed.
• The input shaft speed sensor is connected to the
PCM (terminals 64 and 88) via the input shaft
speed sensor connector (terminals 1 and 2).
• The PCM detects the input shaft speed by the
signal input to terminal 64.
• The input shaft speed sensor generates the pulse
signal as the teeth of the reverse clutch retainer
pass the magnetic tip of the sensor.
.
DESCRIPTIONS OF MONITOR METHODS
If there is no detection pulse from input shaft speed
sensor (turbine rotation) even during driving test at
more than specified speed, PCM judges that input
shaft speed sensor has a failure.
.
MONITOR EXECUTION
Continuous
.
MONITOR EXECUTION CONDITIONS (OTHER
MONITOR AND SENSOR)
Other Monitor (There is no temporary DTC stored
in memory for the item monitored below)
• DTC 29 (P0500): Vehicle speed sensor malfunc-
tion
Sensor (The sensor below is determined to be
normal)
• Vehicle speed sensor
.
AC204194
CONNECTORS : E-11, E-114
3
10
16
9
7 8
6
1
4
2
5
11
14
1213
15
BC
E-11
E-114
E-11
E-114
38
28
16
33
22
10
31
19
7
1
18
30
29
17
5
6
21
20
32
8
2
9
25
13
3
24
23
3435
1112
27
26
3637
14
4
15
AUTOMATIC TRANSMISSION DIAGNOSIS
TSB Revision
AUTOMATIC TRANSMISSION
23A-74
LOGIC FLOW CHARTS (Monitor Sequence)
.
DTC SET CONDITIONS
Check Conditions
• Transmission range switch position: D.
• Vehicle speed: 30 km/h (19 mph) or more.
• Transmission fluid temperature sensor voltage:
4.5 volts or less.
Judgement Criteria
• Input shaft speed sensor signal: no signal
change. (4 seconds)
• If DTC 22 (P0715) is set consecutively four times,
the transmission is locked into 3rd gear or 2nd
gear as a fail-safe measure, and the "N" range
light flashes once per second.
.
OBD-II DRIVE CYCLE PATTERN
Start the engine, shift to 3rd gear or higher, and drive
at 40 km/h (25 mph) or more for 10 seconds.
.
AC205223
N
E
:
Engine speed
START
Yes
No
Transmission fluid
temperature sensor
voltage < 4.5 V
Transmission range
switch position is in
D, 3, 2 or L range
Shift stage is 1st or 2nd
and N
E
< 2,600 r/min
Vehicle speed > 30 km/h (19 mph)
Yes
No
Yes
No
Yes
No
Pulses of input shaft speed
sensor are not inputted
Continuous failure for 4 secs.
Good
Malfunction
END
Yes
No
Yes
No
AB
Transmission range
switch position is in
D range
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