Mitsubishi Montero Sport (2004+). Manual — part 641

AUTOMATIC TRANSMISSION DIAGNOSIS

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AUTOMATIC TRANSMISSION

23A-129

STEP 4. Check harness for open circuit or short circuit to
ground between transmission range switch connector
B-01 terminal 7 and junction block connector D-13 terminal
11.

Q: Is the harness wire in good condition?

YES : Go to Step 5.
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

AC202368

JUNCTION BLOCK
(REAR)

19 20

6

17

7

5

15

14

16

8

18

3

11 12

4

2

10

1

9

13

CONNECTOR: D-13

D-13

AB

AUTOMATIC TRANSMISSION DIAGNOSIS

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AUTOMATIC TRANSMISSION

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STEP 5. 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 data reading mode.

• Item 61: Transmission Range Switch.

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

"2," "L" positions and confirm that the selected trans-
mission 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.

AK303629AB

MB991911

MB991827

MB991824

16-PIN

AUTOMATIC TRANSMISSION DIAGNOSIS

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AUTOMATIC TRANSMISSION

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STEP 6. Check the transmission range switch.

Measure the resistance between the terminals for each trans-
mission range as indicated in the table below.

Q: Is the measured resistance less than 2 ohms for each

selector position?
YES : Go to Step 7.
NO : Replace the transmission range switch. Refer to

GROUP 23B, Transmission

P.23B-19

.

TRANSMISSION
RANGE

TERMINAL
CONNECTION OF
TESTER

SPECIFIED
CONDITION

P

1

− 7

Less than 2 ohms.

R

7

− 8

N

2

− 7

D

3

− 7

3

4

− 7

2

5

− 7

L

6

− 7

AC202393

4
9

5

10

3
8

2
7

6

1

CONNECTOR: B-01
<RWD>

<4WD>

B-01 (B)

B-01 (B)

AB

AC004076

P

R

N

D

3
2

L

AB

AUTOMATIC TRANSMISSION DIAGNOSIS

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STEP 7. Check transmission range switch connector B-01
for loose, corroded or damaged terminals, or terminals
pushed back in the connector.

Q: Are the connector and terminals in good condition?

YES : Go to Step 8.
NO : Repair or replace the damaged components. Refer to

GROUP 00E, Harness Connector Inspection

P.00E-2

.

AC202393

4
9

5

10

3
8

2
7

6

1

CONNECTOR: B-01
<RWD>

<4WD>

B-01 (B)

B-01 (B)

AB