Mitsubishi Eclipse. Manual - part 787

 

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Mitsubishi Eclipse. Manual - part 787

 

 

AUTOMATIC TRANSAXLE DIAGNOSIS

TSB Revision

AUTOMATIC TRANSAXLE

23A-157

AC001844

CONNECTOR: B-41

DIPSTICK

AK

B-41

AC001741

CONNECTOR: C-27

AR

C-27

AC106611AB

CONNECTOR: C-28

C-28

AC001729AX

CONNECTOR: C-41

C-41

AC001729AW

CONNECTOR: C-43

C-43

AC001657

CONNECTOR: C-61 <2.4L ENGINE> OR
C-63 <3.0L ENGINE>

PCM

BC

C-61 <2.4L ENGINE> OR C-63 <3.0L ENGINE>

AC001741

CONNECTOR: C-65

AS

C-65

AUTOMATIC TRANSAXLE DIAGNOSIS

TSB Revision

AUTOMATIC TRANSAXLE

23A-158

.

CIRCUIT OPERATION

• Battery positive voltage is applied to the transmis-

sion range switch (terminal 8) when the ignition 
switch is turned "ON."

• Battery positive voltage is applied to the PCM 

(terminal 101) when the selector lever is in the 
"P" range. The PCM judges that the selector 
lever is in the "P" range when the battery positive 
voltage is applied.

• Battery positive voltage is applied to the PCM ter-

minal 108 (121, 102, 109, 122 or 110) when the 
selector lever is in the "R" range ("N," "D," "3," "2" 
or "L" range). The PCM judges that the selector 
lever is in the "R" range ("N," "D," "3," "2" or "L" 
range) when the battery positive voltage is 
applied.

.

DESCRIPTIONS OF MONITOR METHODS
If no signal is input from transmission range switch 
for more than 30 seconds, PCM judges that trans-
mission range switch has a failure.

.

MONITOR EXECUTION
Continuous

.

MONITOR EXECUTION CONDITIONS (Other 
monitor and Sensor)

Other Monitor (There is no temporary DTC stored 

in memory for the item monitored below)

• Not applicable

Sensor (The sensor below is determined to be 

normal)

• Not applicable

.

AC106814AB

CONNECTORS: C-111, C-112

JUNCTION BLOCK
(FRONT VIEW)

C-111

C-112

C-111

C-112

AUTOMATIC TRANSAXLE DIAGNOSIS

TSB Revision

AUTOMATIC TRANSAXLE

23A-159

LOGIC FLOW CHARTS (Monitor Sequence)

.

DTC SET CONDITIONS (Entry Conditions and 
Malfunction Thresholds)

Check Conditions, Judgement Criteria

• Transmission range switch: no signal detected. 

(30 seconds)

.

OBD-II DRIVE CYCLE PATTERN
Start the engine, keep the vehicle stopped in "P," "R," 
"N," "D," "3," "2" and "L" ranges respectively for more 
than one minute, and turn OFF the ignition switch. 
Then restart the engine, and stop the vehicle in "P," 
"R," "N," "D," "3," "2" and "L" ranges respectively for 
more than one minute.

.

TROUBLESHOOTING HINTS (The most likely 
causes for this code to be set are:)

• Malfunction of the transmission range switch

• Malfunction of the ignition switch

• Damaged harness or connector

• Malfunction of the PCM

DIAGNOSIS

Required Special Tool:

•  MB991958: Scan Tool (MUT-III Sub Assembly)

• MB991824: V.C.I.

AC205064

START

Is there no
input signal?

Yes

No

Continuous failure
for 30 secs.

Yes

Yes

Yes

No

No

No

Continuous failure
for 30 secs.

Is there more than
one input signal?

Malfunction

Good

Malfunction

END

AUTOMATIC TRANSAXLE DIAGNOSIS

TSB Revision

AUTOMATIC TRANSAXLE

23A-160

• MB991827: MUT-III USB Cable

• MB991911: MUT-III Main Harness B

STEP 1. 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 scan tool MB991958 to the data link connector.
(2) Turn the ignition switch to "ON" position.
(3) Set 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: Does the scan tool indication correspond to the actual 

transmission range?
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 (no correct transmission range is displayed) : Go to 

Step 2.

NO (Only "P" position is not displayed correctly) : Go to 

Step 6.

NO (Only "R" position is not displayed correctly) : Go to 

Step 14.

NO (Only "N" position is not displayed correctly) : Go to 

Step 21.

NO (Only "D" position is not displayed correctly) : Go to 

Step 28.

NO (Only "3" position is not displayed correctly) 
<Vehicles without sport mode> : Go to Step 36.
NO (Only "2" position is not displayed correctly) 
<Vehicles without sport mode> : Go to Step 41.
NO (Only "L" position is not displayed correctly) 
<Vehicles without sport mode> : Go to Step 46.
NO [Only sport mode position is not displayed correctly 
("D" is not displayed.] <Vehicles with sport mode> : Go 

to Step 51.

AC303127

AB

MB991911

16-PIN

MB991827

MB991824 

 

 

 

 

 

 

 

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