Mitsubishi Eclipse. Manual - part 799

 

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Mitsubishi Eclipse. Manual - part 799

 

 

AUTOMATIC TRANSAXLE DIAGNOSIS

TSB Revision

AUTOMATIC TRANSAXLE

23A-205

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

TSB Revision

AUTOMATIC TRANSAXLE

23A-206

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

TSB Revision

AUTOMATIC TRANSAXLE

23A-207

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

TSB Revision

AUTOMATIC TRANSAXLE

23A-208

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 

P.00-6

.

NO :  Replace the PCM.

AC303127

AB

MB991911

16-PIN

MB991827

MB991824 

 

 

 

 

 

 

 

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