Mitsubishi Eclipse. Manual — part 799
AUTOMATIC TRANSAXLE DIAGNOSIS
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AUTOMATIC TRANSAXLE
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STEP 21. Measure the transmission range switch output
voltage at PCM connector C-61 by backprobing. ("3"
position) <Vehicles without sport mode>
Measure the voltage between terminal 109 and ground by
backprobing.
• When selector lever position is "P," voltage should measure
0.5 volt or less.
• When selector lever position is "R," voltage should measure
0.5 volt or less.
• When selector lever position is "N," voltage should measure
0.5 volt or less.
• When selector lever position is "D," voltage should measure
0.5 volt or less.
• When selector lever position is "3," voltage should measure
battery positive voltage.
• When selector lever position is "2," voltage should measure
0.5 volt or less.
• When selector lever position is "L," voltage should measure
0.5 volt or less.
Q: Is the measured voltage within the specified range?
YES : Go to Step 23.
NO : Turn the ignition switch to the "LOCK" (OFF) position.
Then go to Step 22.
STEP 22. Check harness for open circuit or short circuit to
ground between transmission range switch connector
B-41 terminal 5 and PCM connector C-61 terminal 109.
<Vehicles without sport mode>
Q: Is the harness wire in good condition?
YES : Go to Step 27.
NO : Repair or replace the harness wire.
AC001907AM
C-61 HARNESS
CONNECTOR:
HARNESS SIDE
AC001844
CONNECTOR: B-41
DIPSTICK
AK
B-41
AC001657
CONNECTOR: C-61
PCM
BH
C-61
AUTOMATIC TRANSAXLE DIAGNOSIS
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AUTOMATIC TRANSAXLE
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STEP 23. Measure the transmission range switch output
voltage at PCM connector C-61 by backprobing. ("2"
position) <Vehicles without sport mode>
Measure the voltage between terminal 122 and ground by
backprobing.
• When selector lever position is "P," voltage should measure
0.5 volt or less.
• When selector lever position is "R," voltage should measure
0.5 volt or less.
• When selector lever position is "N," voltage should measure
0.5 volt or less.
• When selector lever position is "D," voltage should measure
0.5 volt or less.
• When selector lever position is "3," voltage should measure
0.5 volt or less.
• When selector lever position is "2," voltage should measure
battery positive voltage.
• When selector lever position is "L," voltage should measure
0.5 volt or less.
Q: Is the measured voltage within the specified range?
YES : Go to Step 25.
NO : Turn the ignition switch to the "LOCK" (OFF) position.
Then go to Step 24.
STEP 24. Check harness for open circuit or short circuit to
ground between transmission range switch connector
B-41 terminal 2 and PCM connector C-61 terminal 122.
<Vehicles without sport mode>
Q: Is the harness wire in good condition?
YES : Go to Step 27.
NO : Repair or replace the harness wire.
AC001908AM
C-61 HARNESS
CONNECTOR:
HARNESS SIDE
AC001844
CONNECTOR: B-41
DIPSTICK
AK
B-41
AC001657
CONNECTOR: C-61
PCM
BH
C-61
AUTOMATIC TRANSAXLE DIAGNOSIS
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AUTOMATIC TRANSAXLE
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STEP 25. Measure the transmission range switch output
voltage at PCM connector C-61 by backprobing. ("L"
position) <Vehicles without sport mode>
Measure the voltage between terminal 110 and ground by
backprobing.
• When selector lever position is "P," voltage should measure
0.5 volt or less.
• When selector lever position is "R," voltage should measure
0.5 volt or less.
• When selector lever position is "N," voltage should measure
0.5 volt or less.
• When selector lever position is "D," voltage should measure
0.5 volt or less.
• When selector lever position is "3," voltage should measure
0.5 volt or less.
• When selector lever position is "2," voltage should measure
0.5 volt or less.
• When selector lever position is "L," voltage should measure
battery positive voltage.
Q: Is the measured voltage within the specified range?
YES : Go to Step 27.
NO : Turn the ignition switch to the "LOCK" (OFF) position.
Then go to Step 26.
STEP 26. Check harness for open circuit or short circuit to
ground between transmission range switch connector
B-41 terminal 6 and PCM connector C-61 terminal 110.
<Vehicles without sport mode>
Q: Is the harness wire in good condition?
YES : Go to Step 27.
NO : Repair or replace the harness wire.
AC001946AM
C-61 HARNESS
CONNECTOR:
HARNESS SIDE
AC001844
CONNECTOR: B-41
DIPSTICK
AK
B-41
AC001657
CONNECTOR: C-61
PCM
BH
C-61
AUTOMATIC TRANSAXLE DIAGNOSIS
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AUTOMATIC TRANSAXLE
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STEP 27. 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 the scan tool MB991958 to the data link connector.
(2) Turn the ignition switch to the "ON" position.
(3) Set the scan tool MB991958 to data reading mode for item
61: Transmission Range Switch.
• Move the selector lever to "P," "R," "N," "D," "3," "2," "L"
and sport mode positions and confirm that the selected
selector lever positions match the positions shown on
the scan tool MB991958. (Vehicles with sport mode is
indicated as "D" on the scan tool)
(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
.
NO : Replace the PCM.
AC303127
AB
MB991911
16-PIN
MB991827
MB991824
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