Mitsubishi Outlander XL. Manual - part 504

INSPECTION PROCEDURE 6: The torque converter is not locked up.

M12301000444USA0000010000

TROUBLESHOOTING HINTS (THE MOST LIKELY
CAUSES FOR THIS CONDITION:)

｠

Poor adjustment of transmission range switch

｠

Failure of the transmission range switch main unit

｠

Malfunction of the TCM

｠

Poor installation of A/T and engine

｠

Malfunction of the torque converter

DIAGNOSIS

STEP 1. Check and adjust the transmission range switch.
Refer to P.23A-157, P.23A-157.
If the transmission range switch has a failure, replace it, and then
check the trouble symptom again.

Q:Is the check result normal?

YES:

 The procedure is complete.

NO:

 Go to Step 2.

STEP 2. Replace the TCM.

Q:Is the failure resolved?

YES:

 The procedure is complete.

NO:

 Go to Step 3.

STEP 3. Check the installation position of the transaxle
assembly and the engine.
Is the installation of transaxle assembly and the engine normal?
Compare and check the axial direction position with the same
model vehicle.

Q:Is the check result normal?

YES:

 Go to Step 4.

NO:

 Repair the installation.

STEP 4. Check the transmission fluid.
Check  the  transmission  fluid  for  burning,  fouling,  and  foreign
material.

Q:Is the check result normal?

YES:

 Replace the torque converter.

NO:

 Replace the transaxle assembly..

INSPECTION PROCEDURE 7: The clutch slips when the vehicle starts or during gear
shift.

M12301000445USA0000010000

TROUBLESHOOTING HINTS (THE MOST LIKELY
CAUSES FOR THIS CONDITION:)

｠

Poor adjustment of transaxle control cable

｠

Inadequate transmission fluid level

｠

A/T  failure:  Hydraulic  system  (valve  body
assembly),  driving  force  transmission  system
(clutch/brake)

AUTOMATIC TRANSAXLE MECHANICAL

23A-131

AUTOMATIC TRANSAXLE DIAGNOSIS

DIAGNOSIS

STEP 1. Check the transaxle control cable. <When the
clutch slips at vehicle start>
Check  the  installation  status  of  transaxle  control  cable  and
transmission range switch.

Q:Is the check result normal?

YES:

 Go to Step 2.

NO:

 Adjust the installation status of transaxle control

cable and transmission range switch. P.23A-157.

STEP 2. Check the transmission fluid.
Check  the  transmission  fluid  for  seizure,  fouling,  and  foreign
material.

Q:Is the check result normal?

YES:

 Go to Step 3.

NO:

 Go to Step 5.

STEP 3. Check the transmission fluid level.
Check if the transmission fluid level is adequate.

Q:Is the check result normal?

YES:

 Go to Step 4.

NO:

 Check and repair the leakage point of the

transmission fluid, add the transmission fluid, and then
go to Step 4.

STEP 4. Perform a hydraulic test.
Refer to P.23A-21.

Q:Is the check result normal?

YES:

 The procedure is complete.

NO:

 Go to Step 5.

STEP 5. Remove the transaxle assembly from the vehicle.
Disassemble and check the transaxle assembly to check if there
is a foreign material inside.

Q:Is the check result satisfactory?

YES:

 Replace the transaxle assembly.

NO:

 Replace the failure part.

INSPECTION PROCEDURE 8: The engine brake is not applied.

M12301000446USA0000010000

TROUBLESHOOTING HINTS (THE MOST LIKELY
CAUSES FOR THIS CONDITION:)

｠

Poor adjustment of transaxle control cable

｠

Inadequate transmission fluid level

｠

Malfunction of the TCM

｠

A/T  failure:  Hydraulic  system  (valve  body
assembly),  driving  force  transmission  system
(clutch/brake)

DIAGNOSIS

23A-132

AUTOMATIC TRANSAXLE MECHANICAL

AUTOMATIC TRANSAXLE DIAGNOSIS

STEP 1. Check the transaxle control cable.
Check  the  installation  status  of  transaxle  control  cable  and
transmission range switch.

Q:Is the check result normal?

YES:

 Go to Step 2.

NO:

 Adjust the installation status of transaxle control

cable and transmission range switch. P.23A-157.

STEP 2. Check the transmission fluid.
Check  the  transmission  fluid  for  burning,  fouling,  and  foreign
material.

Q:Is the check result normal?

YES:

 Go to Step 3.

NO:

 Go to Step 7.

STEP 3. Check the transmission fluid level.
Check if the transmission fluid level is adequate.

Q:Is the check result normal?

YES:

 Go to Step 4.

NO:

 Check and repair the leakage point of the

transmission fluid, add the transmission fluid, and then
go to Step 4.

STEP 4. Perform a hydraulic test.
Refer to P.23A-21.

Q:Is the check result normal?

YES:

 Go to Step 5.

NO:

 Go to Step 7.

STEP 5. Replace the TCM.

Q:Is the failure resolved?

YES:

 Go to Step 6.

NO:

 Go to Step 7.

STEP 6. Compare with another same model vehicle.

Q:Is there a difference from the same model vehicle?

YES:

 Go to Step 7.

NO:

 The procedure is complete.

STEP 7. Remove the transaxle assembly from the vehicle.
Disassemble and check the transaxle assembly to check if there
is a foreign material inside.

Q:Is the check result satisfactory?

YES:

 Replace the transaxle assembly.

NO:

 Replace the failure part.

AUTOMATIC TRANSAXLE MECHANICAL

23A-133

AUTOMATIC TRANSAXLE DIAGNOSIS

INSPECTION PROCEDURE 9: The shift shock is large at a certain gear shift. (1st to 2nd,
2nd to 3rd, etc.)

M12301000447USA0000010000

TROUBLESHOOTING HINTS (THE MOST LIKELY
CAUSES FOR THIS CONDITION:)

｠

Malfunction of the engine: Engine output change

｠

Malfunction of the TCM

｠

A/T  failure:  Hydraulic  system  (valve  body
assembly),  driving  force  transmission  system
(clutch/brake)

NOTE: 

When the engine output is low, shock

occurs. Care must also be taken during cold, after

warm up, and temperature, humidity, and air
pressure differences.

DIAGNOSIS

STEP 1. Check the engine performance.

｠

Check  the  ECM  side  especially  for  throttle  signal-related
abnormality.

｠

Check the stall speed (refer to P.23A-21). If the speed is low,
check the engine side.

Q:Is the check result normal?

YES:

 Go to Step 2.

NO:

 Repair the failure, and perform adjustment.

STEP 2. Replace the TCM.

Q:Is the failure resolved?

YES:

 The procedure is complete.

NO:

 Go to Step 3.

STEP 3. Perform a hydraulic test.
Refer to P.23A-21.

Q:Is the check result normal?

YES:

 The procedure is complete.

NO:

 Go to Step 4.

STEP 4. Compare with another same model vehicle.

Q:Is there a difference from the same model vehicle?

YES:

 Go to Step 5.

NO:

 The procedure is complete.

STEP 5. Remove the transaxle assembly from the vehicle.
Disassemble and check the transaxle assembly to check if there
is a foreign material inside.

Q:Is the check result satisfactory?

YES:

 Replace the transaxle assembly.

NO:

 Replace the failure part.

23A-134

AUTOMATIC TRANSAXLE MECHANICAL

AUTOMATIC TRANSAXLE DIAGNOSIS