Mitsubishi Montero (2004+). Manual — part 987
TRANSFER-ECU TERMINAL VOLTAGE REFERENCE CHART FOR
TSB Revision
AUTOMATIC TRANSMISSION
23A-523
5
Accelerator pedal
position sensor
• Ignition switch:
ON
• Engine: Stopped
• Transmission
range: P
Accelerator pedal:
Fully closed
0.905
− 1.165 V
Accelerator pedal:
Fully open
4.035 V or more
6
M-ASTC-ECU signal
(FR)
Ignition switch: ON
1 V or less
7
Front propeller shaft
speed sensor
• Measure
between
terminals 7 and
18 with an
oscilloscope.
• Engine: 2,000
r/min
• Gear range: 3rd
gear
• Transfer position:
4HLc
Refer to
Inspection Procedure
Using an Oscilloscope.
8
M-ASTC-ECU signal
(RL)
Ignition switch: ON
1 V or less
9
Rear propeller shaft
speed sensor
• Measure
between
terminals 9 and
18 with an
oscilloscope.
• Engine: 2,000
r/min
• Gear range: 3rd
gear
• Transfer position:
4HLc
Refer to
Inspection Procedure
Using an Oscilloscope.
10
M-ASTC-ECU signal
(RR)
Ignition switch: ON
1 V or less
13
ECU power supply
Ignition switch: OFF
0 V
Ignition switch: ON
Battery positive voltage
18
Sensor ground
Always
1 V or less
19
M-ASTC-ECU signal
(FL)
Ignition switch: ON
1 V or less
TERMINAL
NO.
INSPECTION ITEMS
INSPECTION REQUIREMENT
NORMAL CONDITION
TRANSFER-ECU TERMINAL VOLTAGE REFERENCE CHART FOR
TSB Revision
AUTOMATIC TRANSMISSION
23A-524
20
Transfer shift lever
switch: 2H
• Ignition switch:
ON
• Transmission
range: N
Transfer shift lever
position: 2H
Battery positive voltage
Transfer shift lever
position: Other
than 2H
0 V
21
Transfer shift lever
switch: 4H
• Ignition switch:
ON
• Transmission
range: N
Transfer shift lever
position: 4H
Battery positive voltage
Transfer shift lever
position: Other
than 4H
0 V
22
Transfer shift lever
switch: 4HLc
• Ignition switch:
ON
• Transmission
range: N
Transfer shift lever
position: 4HLc
Battery positive voltage
Transfer shift lever
position: Other
than 4HLc
0 V
23
Transfer shift lever
switch: 4LLc
• Ignition switch:
ON
• Transmission
range: N
Transfer shift lever
position: 4LLc
Battery positive voltage
Transfer shift lever
position: Other
than 4LLc
0 V
25
Ground
Always
1 V or less
26
Ground
Always
1 V or less
31
Back-up power supply
Always
Battery positive voltage
32
Transmission range
switch: N
Ignition switch: ON
Transmission
range: N
Battery positive voltage
Transmission
range: Other than
N
0 V
34
Stoplight switch
Ignition switch: ON
Brake pedal:
Depressed
Battery positive voltage
Brake pedal:
Released
0 V
35
Ground
Always
1 V or less
TERMINAL
NO.
INSPECTION ITEMS
INSPECTION REQUIREMENT
NORMAL CONDITION
TRANSFER-ECU TERMINAL VOLTAGE REFERENCE CHART FOR
TSB Revision
AUTOMATIC TRANSMISSION
23A-525
37
2WD indicator light
(RL)
• Ignition switch:
ON
• Transmission
range: N
Transfer shift lever
position: 4HLc
⇔
4LLc
Battery positive voltage
⇔ 1 V or less → battery
positive voltage
Transfer shift lever
position: 2H
⇔ 4H
⇔ 4HLc
Battery positive voltage
38
4WD indicator light (FL)
• Ignition switch:
ON
• Transmission
range: N
Transfer shift lever
position: 2H
1V or less
Transfer shift lever
position: Other
than 2H
1 V or less
⇔ battery
positive voltage
39
Ground
Always
1 V or less
40
Center differential lock
indicator light
• Ignition switch:
ON
• Transmission
range: N
Transfer shift lever
position: 2H, 4H
Battery positive voltage
Transfer shift lever
position: 4HLc,
4LLc
1 V or less
41
Free-wheel engage
solenoid valve
• Ignition switch:
ON
• Transmission
range: N
Transfer shift lever
position: 2H
1 V or less
Transfer shift lever
position: Other
than 2H
Battery positive voltage
42
Ground
Always
1 V or less
43
2WD detection switch
• Ignition switch:
ON
• Transmission
range: N
Transfer shift lever
position: 2H
1 V or less
• Ignition switch:
ON
• Transmission
range: N
Transfer shift lever
position: Other
than 2H
Battery positive voltage
44
2WD/4WD detection
switch
• Ignition switch:
ON
• Transmission
range: N
Transfer shift lever
position: 2H, 4H
1 V or less
Transfer shift lever
position: 4HLc,
4LLc
Battery positive voltage
TERMINAL
NO.
INSPECTION ITEMS
INSPECTION REQUIREMENT
NORMAL CONDITION
TRANSFER-ECU TERMINAL VOLTAGE REFERENCE CHART FOR
TSB Revision
AUTOMATIC TRANSMISSION
23A-526
45
4H detection switch
• Ignition switch:
ON
• Transmission
range: N
Transfer shift lever
position: 4H, 4HLc
1 V or less
Transfer shift lever
position: 2H, 4LLc
Battery positive voltage
46
Center differential lock
detection switch
• Ignition switch:
ON
• Transmission
range: N
Transfer shift lever
position: 4HLc,
4LLc
1 V or less
Transfer shift lever
position: 2H, 4H
Battery positive voltage
47
4LLc detection switch
• Ignition switch:
ON
• Transmission
range: N
Transfer shift lever
position: 4LLc
1 V or less
Transfer shift lever
position: Other
than 4LLc
Battery positive voltage
48
2WD indicator light
(RR)
• Ignition switch:
ON
• Transmission
range: N
Transfer shift lever
position: 4HLc
⇔
4LLc
Battery positive voltage
⇔ 1 V or less → battery
positive voltage
Transfer shift lever
position: 2H
⇔ 4H
⇔ 4HLc
Battery positive voltage
49
4WD indicator light
(FR)
• Ignition switch:
ON
• Transmission
range: N
Transfer shift lever
position: 2H
1 V or less
Transfer shift lever
position: Other
than 2H
1 V or less
⇔ battery
positive voltage
50
Free-wheel engage
switch
• Engine: Idling
• Transmission
range: N
• 4WD indicator
light: Should not
be flashing
Transfer shift lever
position: 2H
Battery positive voltage
Transfer shift lever
position: Other
than 2H
1 V or less
TERMINAL
NO.
INSPECTION ITEMS
INSPECTION REQUIREMENT
NORMAL CONDITION
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