Mitsubishi Galant. Manual — part 415

AUTOMATIC TRANSAXLE DIAGNOSIS

TSB Revision

AUTOMATIC TRANSAXLE

23A-127

STEP 2. Check the Park/Neutral position switch.

Check for continuity between terminals for each selector
position.

Q: Is the switch operating properly?

YES : Go to Step 3.
NO : Replace the Park/Neutral position switch. Refer to

GROUP 23B, Transaxle

P.23B-10

.

ITEMS

TERMINAL CONNECTION
OF TESTER

SPECIFIED
CONDITION

P

3

−

8, 9

−

10

Less than 2 ohm.

R

7

−

8

N

4

−

8, 9

−

10

D

1

−

8

3

5

−

8

2

2

−

8

L

6

−

8

AC004672

DIPSTICK

PARK/NEUTRAL
POSITION (PNP)
SWITCH

AC

AC001846

P

R

N

D

3

2

L

AB

AUTOMATIC TRANSAXLE DIAGNOSIS

TSB Revision

AUTOMATIC TRANSAXLE

23A-128

STEP 3. Check connectors B-39 at Park/Neutral position
switch, C-17 at intermediate connector and C-77 at
junction block for damage.
Q: Are the connectors in good condition?

YES : Go to Step 4.
NO : Repair or replace it. Refer to GROUP 00E, Harness

Connector Inspection

P.00E-2

.

AC001844AI

CONNECTOR: B-39

DIPSTICK

AC004308AB

CONNECTOR: C-17

AC004307

CONNECTOR: C-77

JUNCTION BLOCK
(FRONT VIEW)

C-77

AC

AUTOMATIC TRANSAXLE DIAGNOSIS

TSB Revision

AUTOMATIC TRANSAXLE

23A-129

STEP 4. Check harness for open circuit or short circuit to
ground between Park/Neutral position switch connector B-
39 terminal 8 and junction block connector C-77 terminal
12.
Q: Is the harness wire in good condition?

YES : Go to Step 5.
NO : Repair it.

STEP 5. Using scan tool MB991502, check data list item 61:
Park/Neutral Position Switch.

CAUTION

To prevent damage to scan tool MB991502, always turn the
ignition switch to "LOCK" (OFF) position before
connecting or disconnecting scan tool MB991502.
(1) Connect scan tool MB991502 to the data link connector.
(2) Turn the ignition switch to "ON" position.
(3) Set scan tool MB991502 to data reading mode for item 61:

Park/Neutral Position Switch.

•

Move the selector lever to "P," "R," "N," "D," "3," "2," "L"
positions to confirm whether the MUT-II.

(4) Turn the ignition switch to "LOCK" (OFF) position.

Q: Is the switch operating properly?

YES : This malfunction is intermittent. Refer to GROUP 00,

How to Use Troubleshooting/Inspection Service
Points

−

How to Cope with Intermittent Malfunction

P.00-8

.

NO : Replace the PCM.

AC001844AI

CONNECTOR: B-39

DIPSTICK

AC004307

CONNECTOR: C-77

JUNCTION BLOCK
(FRONT VIEW)

C-77

AC

AC003081AC

MB991502

DATA LINK
CONNECTOR

AUTOMATIC TRANSAXLE DIAGNOSIS

TSB Revision

AUTOMATIC TRANSAXLE

23A-130

STEP 6. Check the Park/Neutral position switch.

Check for continuity between terminals for each selector
position.

Q: Is the switch operating properly?

YES : Go to Step 7.
NO : Replace the Park/Neutral position switch. Refer to

GROUP 23B, Transaxle

P.23B-10

.

STEP 7. Check connector B-39 at the Park/Neutral position
switch for damage.
Q: Is the connector in good condition?

YES : Go to Step 8.
NO : Repair or replace it. Refer to GROUP 00E, Harness

Connector Inspection

P.00E-2

.

ITEMS

TERMINAL CONNECTION
OF TESTER

SPECIFIED
CONDITION

P

3

−

8, 9

−

10

Less than 2 ohm.

R

7

−

8

N

4

−

8, 9

−

10

D

1

−

8

3

5

−

8

2

2

−

8

L

6

−

8

AC004672

DIPSTICK

PARK/NEUTRAL
POSITION (PNP)
SWITCH

AC

AC001846

P

R

N

D

3

2

L

AB

AC001844AI

CONNECTOR: B-39

DIPSTICK