Mitsubishi Eclipse. Manual - part 832

 

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Mitsubishi Eclipse. Manual - part 832

 

 

AUTOMATIC TRANSAXLE DIAGNOSIS

TSB Revision

AUTOMATIC TRANSAXLE

23A-337

STEP 7. Using scan tool MB991958, check data list item 65: 
Dual Pressure 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) Start the engine and run at idle.
(3) Set scan tool MB991958 to data reading mode for item 65: 

Dual Pressure Switch.

• When the A/C is in operation, the scan tool display 

should be "ON."

• When the A/C is not in operation, the scan tool display 

should be "OFF."

(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 :  Check the air conditioning system. Refer to GROUP 

55, Troubleshooting Strategy 

P.55-5

.

AC303127

AB

MB991911

16-PIN

MB991827

MB991824 

AUTOMATIC TRANSAXLE DIAGNOSIS

TSB Revision

AUTOMATIC TRANSAXLE

23A-338

STEP 8. Check automatic compressor controller connector 
C-12 and intermediate connector C-94 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 9.
NO :  Repair or replace the defective connector(s). Refer to 

GROUP 00E, Harness Connector Inspection 

P.00E-2

.

AC001741

CONNECTOR: C-12

AT

C-12

AC106628

CONNECTOR: C-94

AB

CONNECTOR BLOCK (RH)

C-94

AUTOMATIC TRANSAXLE DIAGNOSIS

TSB Revision

AUTOMATIC TRANSAXLE

23A-339

STEP 9. Check the harness for open circuit between dual 
pressure switch connector A-36 terminal 2 and automatic 
compressor controller connector C-12 terminal 4.
Q: Is the harness wire in good condition?

YES : Go to Step 14.
NO :  Repair or replace the harness wire.

STEP 10. Measure the switch output voltage at PCM 
connector C-57 <2.4L Engine> or C-59 <3.0L Engine> by 
backprobing.
(1) Do not disconnect connector C-57 <2.4L Engine> or C-59 

<3.0L Engine>.

(2) Start the engine and run at idle.
(3) Operate the A/C.

(4) Measure the voltage between terminal 83 and ground by 

backprobing.

• When the A/C is in operation, the voltage should mea-

sure battery positive voltage.

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

YES : Go to Step 15.
NO :  Go to Step 11.

AC004374

CONNECTOR: A-36

AC

A-36

AC001741

CONNECTOR: C-12

AT

C-12

AC001657

CONNECTOR: C-57 <2.4L ENGINE> OR 
C-59 <3.0L ENGINE>

AZ

PCM

C-57 <2.4L ENGINE> OR C-59 <3.0L ENGINE>

AC002096

C-57 <2.4L ENGINE> OR
C-59 <3.0L ENGINE> 
HARNESS CONNECTOR: 
HARNESS SIDE

AN

AUTOMATIC TRANSAXLE DIAGNOSIS

TSB Revision

AUTOMATIC TRANSAXLE

23A-340

STEP 11. Check PCM connector C-57 <2.4L Engine> or 
C-59 <3.0L Engine>, intermediate connector C-28 and C-94 
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 12.
NO :  Repair or replace the damaged components. Refer to 

GROUP 00E, Harness Connector Inspection 

P.00E-2

.

AC001657

CONNECTOR: C-57 <2.4L ENGINE> OR 
C-59 <3.0L ENGINE>

AZ

PCM

C-57 <2.4L ENGINE> OR C-59 <3.0L ENGINE>

AC106611AB

CONNECTOR: C-28

C-28

 

 

 

 

 

 

 

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