Mitsubishi Galant (2004+). Manual - part 631

 

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Mitsubishi Galant (2004+). Manual - part 631

 

 

AUTOMATIC TRANSAXLE DIAGNOSIS

TSB Revision

AUTOMATIC TRANSAXLE

23A-75

STEP 2. Measure the power supply voltage at the input 
shaft speed sensor connector B-109.

(1) Disconnect connector B-109 and measure at the harness 

side.

(2) Turn the ignition switch to the "ON" position.

(3) Measure the voltage between terminal 3 and ground.

• The voltage should measure battery positive voltage.

(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the measured voltage battery positive voltage?

YES : Go to Step 5.
NO :  Go to Step 3.

AC305354

TRANSMISSION
RANGE SWITCH

B-109 (GR)

AC   

CONNECTOR: B-109

1

3

2

3

1

2

AC210629

B-109 HARNESS
CONNECTOR:
COMPONENT SIDE

AC

AUTOMATIC TRANSAXLE DIAGNOSIS

TSB Revision

AUTOMATIC TRANSAXLE

23A-76

STEP 3. Check intermediate connector A-13, joint 
connector (1) C-01 and junction block connector C-214 for 
loose, corroded or damaged terminals, or terminals 
pushed back in the connector.

Q: Are the connectors and terminals in good condition?

YES : Go to Step 4.
NO :  Repair or replace the damaged components. Refer to 

GROUP 00E, Harness Connector Inspection 

P.00E-2

.

AC306223

A-13 (GR)

AB

CONNECTOR: A-13

1

4

7

8

2 3

5

13

14

17

15

12

16

11

10

9

6

AC305231

CONNECTOR: C-01

AS

33

22

11

28

17

16

15

14

13

12

25

2324

2627

3

1 2

4 5

21

20

19

18

29 30

32

31

7

6

8

10

9

AC207120

CONNECTOR: C-214

AU 

C-214

6

1

7

2

9

8

10

3

5

12

11

4

1314

AUTOMATIC TRANSAXLE DIAGNOSIS

TSB Revision

AUTOMATIC TRANSAXLE

23A-77

STEP 4. Check the harness for open circuit or short circuit 
to ground between the input shaft speed sensor connector 
B-109 terminal 3 and the junction block connector C-214 
terminal 12.

Q: Is the harness wire in good condition?

YES : Go to Step 5.
NO :  Repair or replace the harness wire.

STEP 5. Measure the PCM to speed sensor output voltage 
at the input shaft speed sensor connector B-109.

(1) Disconnect connector B-109 from the speed sensor and 

measure voltage at the harness side.

(2) Turn the ignition switch to the "ON" position.

(3) Measure the voltage between terminal 2 and ground.

• The voltage should measure between 4.5 and 4.9 volts.

(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the measured voltage between 4.5 and 4.9 volts?

YES : Go to Step 11.
NO :  Go to Step 6.

AC305354

TRANSMISSION
RANGE SWITCH

B-109 (GR)

AC   

CONNECTOR: B-109

1

3

2

AC207120

CONNECTOR: C-214

AU 

C-214

6

1

7

2

9

8

10

3

5

12

11

4

1314

AC305354

TRANSMISSION
RANGE SWITCH

B-109 (GR)

AC   

CONNECTOR: B-109

1

3

2

3

1

2

AC210631

B-109 HARNESS
CONNECTOR:
COMPONENT SIDE

AC

AUTOMATIC TRANSAXLE DIAGNOSIS

TSB Revision

AUTOMATIC TRANSAXLE

23A-78

STEP 6. Measure the PCM output voltage to the speed 
sensor at the PCM connector B-22 by using check harness 
special tool MB991923.

(1) Disconnect all the connectors from the PCM.

(2) Connect special tool MB991923 (check harness) between 

the PCM and the body-side harness connector.

(3) Turn the ignition switch to the "ON" position.

AC306248AE

B-22 
(B)

CONNECTOR: B-22

PCM

AIR
CLEANER

JAE

94

98

107

103

112

91

100

109

101102

106

110

105

111

97

92

96

93

104

113

108

95

99

AC209793AH

SPECIAL TOOL 23-PIN CONNECTOR
WITH RED TAPE
(PCM CONNECTOR B-22)

104

96

94

95

93 92 91

99 98 97

103 102 101 100

108 107 106 105

113 112 111 110 109

PCM

MB991923

BODY SIDE
HARNESS

B-22
(GR)

 

 

 

 

 

 

 

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