Mitsubishi Montero Sport (2004+). Manual - part 662

 

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Mitsubishi Montero Sport (2004+). Manual - part 662

 

 

AUTOMATIC TRANSMISSION DIAGNOSIS

TSB Revision

AUTOMATIC TRANSMISSION

23A-213

STEP 38. Check harness for damage or short circuit to 
ground between transmission range switch connector 
B-01 terminal 6 and combination meter connector C-03 
terminal 47.

Q: Is the harness wire in good condition?

YES : Go to Step 39.
NO :  Repair or replace the harness wire.

AC202393

4
9

5

10

3
8

2
7

6

1

CONNECTOR: B-01
<RWD>

<4WD>

B-01 (B)

B-01 (B)

AB

AC202395

49

48

50

46

45

44

41 42 43

47

CONNECTOR: C-03

C-03

AB

AUTOMATIC TRANSMISSION DIAGNOSIS

TSB Revision

AUTOMATIC TRANSMISSION

23A-214

STEP 39. Using scan tool MB991958, check data list item 
61: Transmission Range Switch.

CAUTION

To prevent damage to scan tool MB991958, always turn the 
ignition switch to the "LOCK" (OFF) position before con-
necting or disconnecting scan tool MB991958.
(1) Connect scan tool MB991958 to the data link connector.
(2) Turn the ignition switch to the "ON" position.
(3) Set scan tool MB991958 to the data reading mode.

• Item 61: Transmission Range Switch.

• Move the selector lever to "P," "R," "N," "D," "3," "2," 

"L" positions and confirm that the selected transmis-
sion ranges match the positions shown on scan tool 
MB991958.

(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the switch operating properly?

YES : It can be assumed that this malfunction is intermittent. 

Refer to GROUP 00, How to Use 
Troubleshooting/Inspection Service Points 

− How to 

Cope with Intermittent Malfunction 

P.00-7

.

NO :  Replace the PCM.

MB991502

AC004015AB

16-PIN

AUTOMATIC TRANSMISSION DIAGNOSIS

TSB Revision

AUTOMATIC TRANSMISSION

23A-215

DTC 29 (P0500): Vehicle Speed Sensor System

AC004713

Vehicle Speed Sensor System Circuit

AB

AC202396

62

61

58 59 60

57

56

55

54

53

52

51

AB

CONNECTOR: C-02

C-02 (B)

AC2023434

22

2021

10

9

8

1718

6 7

19

1415

4 5

1112

1 2 3

13

16

AB

CONNECTOR: C-16

C-16

AUTOMATIC TRANSMISSION DIAGNOSIS

TSB Revision

AUTOMATIC TRANSMISSION

23A-216

.

CIRCUIT OPERATION

• 4.8 − 5.2 volts voltage is applied to the vehicle 

speed sensor from the PCM (terminal 80). The 
vehicle speed sensor generates a pulse signal 
when the output terminal is opened and ground.

• The PCM compares the vehicle speed sensor 

signal to input shaft and output shaft speed sen-
sor signals.

• If the vehicle speed sensor becomes inoperative, 

the transmission will not shift normally.

.

DESCRIPTIONS OF MONITOR METHODS
If there is no detection pulse from vehicle speed sen-
sor even when output shaft revolution equals or 
exceeds specified value, PCM judges that vehicle 
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 23 (P0720): Output shaft speed sensor mal-

function

Sensor (The sensor below is determined to be 

normal)

• Output shaft speed sensor

.

AC202435

PCM

59
68

58
67

46 47

57

56

53
64

54

65

55

66

50

62

51

63

49

48
60 61

52

44

41 42 43

45

AC202435

PCM

CONNECTOR: C-91

AB

C-91 (GR)

71 72 73 74

75 76

77

78 79 80 81 82 83 84 85 86 87 88

90 91

92 93 94

95 96

97

98

89

 

 

 

 

 

 

 

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