Mitsubishi Galant (2004+). Manual — part 637

AUTOMATIC TRANSAXLE DIAGNOSIS

TSB Revision

AUTOMATIC TRANSAXLE

23A-99

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)

AUTOMATIC TRANSAXLE DIAGNOSIS

TSB Revision

AUTOMATIC TRANSAXLE

23A-100

(4) Measure the voltage between terminal 112 and ground.

• The voltage should measure between 4.5 and 4.9 volts.

(5) 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 7.
NO : Go to Step 9.

STEP 7. Check PCM connector B-22 and output shaft
speed sensor connector B-107 for loose, corroded or
damaged terminals, or terminals pushed back in the
connector.

Q: Are the connectors 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

.

AC210377

JAE

94

98

107

103

112

91

100

109

101

102

106

110

105

111

97

92

96

93

104

113

108

95

99

AC

B-22 HARNESS
CONNECTOR:
COMPONENT SIDE

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

AC305353AC

CONNECTOR: B-107

BATTERY

B-107 (GR)

3

2

1

AUTOMATIC TRANSAXLE DIAGNOSIS

TSB Revision

AUTOMATIC TRANSAXLE

23A-101

STEP 8. Check the harness for open circuit or damage
between PCM connector B-22 terminal 112 and output
shaft speed sensor connector B-107 terminal 2.

Q: Is the harness wire in good condition?

YES : Go to Step 19.
NO : Repair or replace the harness wire.

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

AC305353AC

CONNECTOR: B-107

BATTERY

B-107 (GR)

3

2

1

AUTOMATIC TRANSAXLE DIAGNOSIS

TSB Revision

AUTOMATIC TRANSAXLE

23A-102

STEP 9. Check PCM connector B-22 and output shaft
speed sensor connector B-107 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 10.
NO : Repair or replace the damages components. Refer to

GROUP 00E, Harness Connector Inspection

P.00E-2

.

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

AC305353AC

CONNECTOR: B-107

BATTERY

B-107 (GR)

3

2

1