Mitsubishi Montero Sport (2004+). Manual - part 712

 

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Mitsubishi Montero Sport (2004+). Manual - part 712

 

 

AUTOMATIC TRANSMISSION DIAGNOSIS

TSB Revision

AUTOMATIC TRANSMISSION

23A-413

ACTUATOR TEST REFERENCE TABLE

M1231101000121

INVECS-II CANCEL COMMAND

M1231109300115

MUT-III  
SCAN TOOL 
DISPLAY

ITEM 
NO.

INSPECTION ITEM

TEST CONTENT

INSPECTION 
REQUIREMENT

NORMAL 
CONDITION

2ND SOL

03

Second solenoid valve

Drive the solenoid 
valve specified by 
the scan tool 
MB991958 
(MUT-III sub 
assembly) at 50% 
duty for five 
seconds. No other 
solenoid valve 
should be 
energized.

• Ignition switch: 

ON

• Transmission 

range: P

• Engine: 

stopped

• Throttle 

opening 
voltage: Less 
than one volt

The solenoid 
should click when 
activated

A/T RELAY

12

A/T control relay

Actuator test in 
scope mode, data 
list No.54. Control 
relay is OFF for 
three seconds.

Data list No.54

• During test: 0 V

• Normal: 

Battery positive 
voltage [12 V]

L/R SOL

01

Low-reverse solenoid 
valve

Drive the solenoid 
valve specified by 
the scan tool 
MB991958 
(MUT-III sub 
assembly) at 50% 
duty for five 
seconds. No other 
solenoid valve 
should be 
energized.

The solenoid 
should click when 
activated

O/D SOL

04

Overdrive solenoid 
valve

TCC SOL

06

Torque converter clutch 
solenoid valve

U/D SOL

02

Underdrive solenoid 
valve

MUT-III 
SCAN TOOL 
DISPLAY

ITEM 
NO.

ITEM

CONTENT

REMARKS

Std. SIFT 
PATN

14

Standard 
shift pattern

Stops the INVECS-II 
control and shifts 
gears according to 
the standard shift 
pattern.

Use this function when performing procedure 8 in 
the road tests. (Refer to 

P.23A-19

.)

The INVECS-II cancel command will last until the 
ignition switch is turned from "ON" to "LOCK" 
(OFF) or vice versa.

AUTOMATIC TRANSMISSION DIAGNOSIS

TSB Revision

AUTOMATIC TRANSMISSION

23A-414

PCM TERMINAL VOLTAGE REFERENCE CHART FOR TRANSMISSION

M1231101400141

ACX01182 AB

TERMINAL 
NO.

INSPECTION ITEM

INSPECTION REQUIREMENT

NORMAL CONDITION

7

Transmission fluid 
temperature warning 
light <V4A51>

Ignition switch: LOCK (OFF) 

→ ON

1V or less 

→ Battery 

positive voltage (after 
several seconds have 
elapsed)

45

Crankshaft position 
sensor

Engine: Idling

1.5 

− 2.5 V

50

A/T control relay

Ignition switch: ON

Battery positive voltage

75

Auto-cruise signal

Ignition switch: ON

Battery positive voltage

76

Ground

Always

1V or less 

77

Solenoid valve power 
supply

Ignition switch: LOCK (OFF)

1V or less

Ignition switch: ON

Battery positive voltage

88

Ground

Always

1V or less

89

Solenoid valve power 
supply

Ignition switch: LOCK (OFF)

1V or less

Ignition switch: ON

Battery positive voltage

97

Ground

Always

1V or less

101

Transmission range 
switch: P

• Ignition switch: ON

• Transmission range: P

Battery positive voltage

• Ignition switch: ON

• Transmission range: Other than 

above

1V or less

102

Transmission range 
switch: D

• Ignition switch: ON

• Transmission range: D

Battery positive voltage

• Ignition switch: ON

• Transmission range: Other than 

above

1V or less

103

Input shaft speed sensor

• Measure between terminals 57 and 

103 with an oscilloscope

• Engine: 2,000 r/min

• Gear range: 3rd gear

Refer to 

P.23A-417

Inspection Procedure 
Using an Oscilloscope.

104

Output shaft speed 
sensor

• Measure between terminals 57 and 

104 with an oscilloscope

• Engine: 2,000 r/min

• Gear range: 3rd gear

Refer to 

P.23A-417

Inspection Procedure 
Using an Oscilloscope.

106

Second solenoid valve

• Engine: Idling

• Gear range: 2nd gear

Battery positive voltage

• Engine: Idling

• Transmission range: P

− 9 V

AUTOMATIC TRANSMISSION DIAGNOSIS

TSB Revision

AUTOMATIC TRANSMISSION

23A-415

107

Torque converter clutch 
solenoid valve

• Engine: Idling

• Gear range: 1st gear

Battery positive voltage

108

Transmission range 
switch: R

• Ignition switch: ON

• Transmission range: R

Battery positive voltage

• Ignition switch: ON

• Transmission range: Other than 

above

1V or less

109

Transmission range 
switch: 3

• Ignition switch: ON

• Selector lever operation: 3

Battery positive voltage

• Ignition switch: ON

• Selector lever operation: Other than 

above

1V or less

110

Transmission range 
switch: L

• Ignition switch: ON

• Selector lever operation: L

Battery positive voltage

• Ignition switch: ON

• Selector lever operation: Other than 

above

1V or less

112

Transfer low detection 
switch <V4A51>

• Ignition switch: ON

• Selector lever operation: N

• Transfer position: 4L <V4A51>

1V or less

• Ignition switch: ON

• Selector lever operation: N

• Transfer position: Other than above

Battery positive voltage

120

Under drive solenoid 
valve

• Engine: Idling

• Gear range: 1st gear

Battery positive voltage

• Engine: Idling

• Transmission range: P

− 9 V

121

Transmission range 
switch: N

• Ignition switch: ON

• Transmission range: N

Battery positive voltage

• Ignition switch: ON

• Transmission range: Other than 

above

1V or less

122

Transmission range 
switch: 2

• Ignition switch: ON

• Selector lever operation: 2

Battery positive voltage

• Ignition switch: ON

• Transmission range: Other than 

above

1V or less

123

Stoplight switch

• Ignition switch: ON

• Brake pedal: Depressed

Battery positive voltage

• Ignition switch: ON

• Brake pedal: Released

1V or less

TERMINAL 
NO.

INSPECTION ITEM

INSPECTION REQUIREMENT

NORMAL CONDITION

AUTOMATIC TRANSMISSION DIAGNOSIS

TSB Revision

AUTOMATIC TRANSMISSION

23A-416

PCM TERMINAL RESISTANCE AND CONTINUITY INSPECTION CHART

M1231109400123

124

Transmission fluid 
temperature sensor

• Ignition switch: ON

• Transmission fluid temperature: 20°C 

(68

°F)

3.8 

− 4.0 V

• Ignition switch: ON

• Transmission fluid temperature: 40°C 

(104

°F)

3.2 

− 3.4 V

• Ignition switch: ON

• Transmission fluid temperature: 80°C 

(176

°F)

1.7 

− 1.9 V

129

Low-reverse solenoid 
valve

• Engine: Idling

• Transmission range: P

Battery positive voltage

• Engine: Idling

• Gear range: 2nd gear

− 9 V

130

Overdrive solenoid valve

• Engine: Idling

• Gear range: 3rd gear

Battery positive voltage

• Engine: Idling

• Transmission range: P

− 9 V

TERMINAL 
NO.

INSPECTION ITEM

INSPECTION REQUIREMENT

NORMAL CONDITION

ACX01978

ACX01978AC

TERMINAL NO. INSPECTION ITEM

NORMAL CONDITION (CHECK CONDITION)

57 

− 124

Transmission fluid temperature 
sensor

16.7 

− 20.5 kΩ [at 0°C (32°F)]

7.3 

− 8.9 kΩ [at 20°C (68°F)]

3.4 

− 4.2 kΩ [at 40°C (104°F)]

1.9 

− 2.2 kΩ [at 60°C (140°F)]

1.0 

− 1.2 kΩ [at 80°C (176°F)]

0.57 

− 0.69 kΩ [at 100°C (212°F)]

 

 

 

 

 

 

 

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