Mitsubishi Outlander manuals

Mitsubishi Outlander: Symptom Procedures

Inspection Procedure 1: TCM cannot communication with scan tool.

TCM POWER SUPPLY CIRCUIT

Mitsubishi Outlander. CVT

SYMPTOMS

TCM cannot be turned ON.

PROBABLE CAUSES

DIAGNOSTIC PROCEDURE

STEP 1. Check the following connector:

Check each terminal for imperfect contact.

Q: Is the check result normal?

YES : Go to Step 2.

NO : Repair the defective connector.

STEP 2. Check for open circuit in the wiring harness between the relay box connector and the TCM connector.

Q: Is the check result normal?

YES : Go to Step 3.

NO : Repair the wiring harness.

STEP 3. Check for open circuit in the wiring harness between the TCM connector and the ground.

Q: Is the check result normal?

YES : Go to Step 4.

NO : Repair the wiring harness.

STEP 4. Retest the system.

Recheck the trouble symptom.

Q: Does the malfunction take place again?

YES : Replace TCM.

NO : Intermittent malfunction

Inspection Procedure 2: Vehicle Creeps in the N Range.

SYMPTOMS

Engine torque is transferred to the driveshaft in the N range, and the vehicle consequently moves forward or rearward.

PROBABLE CAUSES

DIAGNOSTIC PROCEDURE

STEP 1. M.U.T.-III data list

Item 49: Transmission range switch

Check that the service data changes when the selector lever is moved to all ranges.

Q: Is the check result normal?

YES : Go to Step 2.

NO : Go to Step 3.

STEP 2. Check of the transmission range switch and shift control cable

Q: Is the check result normal?

YES : Go to Step 4.

NO : Adjust the transmission range switch and the control cable.

STEP 3. Transmission range switch continuity check

Q: Is the check result normal?

YES : Go to Step 4.

NO : Replace the transmission range switch.

STEP 4. Retest the system.

Q: Does the malfunction take place again?

YES : Replace the CVT assembly.

NO : The inspection is complete.

Inspection Procedure 3: Shock is experienced during N to D and/or N to R shifting operation.

SYMPTOMS

Deep shock is experienced when the selector lever is moved from the N to R range or from the N to D range.

PROBABLE CAUSES

DIAGNOSTIC PROCEDURE

STEP 1. Engine idling speed check

Q: Is the check result normal?

YES : Go to Step 2.

NO : Refer to the "Engine troubleshooting". STEP 2. Line pressure check

Carry out "hydraulic test".

Q: Is the check result normal?

YES : Go to Step 3.

NO : Repair according to the hydraulic pressure test diagnosis table.

STEP 3. Retest the system.

Q: Does the malfunction take place again?

YES : Replace the CVT assembly.

NO : The inspection is complete.

Inspection Procedure 4: Poor Acceleration or Incomplete Shifting Operation

SYMPTOMS

Vehicle does not creep. Incomplete shifting operation or extremely poor acceleration is observed.

PROBABLE CAUSES

DIAGNOSTIC PROCEDURE

STEP 1. Engine-related troubleshooting check

Check for engine malfunction.

Q: Is the check result normal?

YES : Go to Step 2.

NO : Carry out the engine-related troubleshooting.

STEP 2. Torque converter stall test implementation

Q: Is the check result normal?

YES : Go to Step 3.

NO (stall speed is low.) : Replace the torque converter.

NO (stall speed is high.) : Go to Step 4.

STEP 3. Forward clutch pressure check

Carry out "hydraulic test".

Q: Is the check result normal?

YES : Replace the forward clutch.

NO : Replace the valve body assembly.

STEP 4. Retest the system.

Replace TCM, and then recheck symptoms.

Q: Does the malfunction take place again?

YES : Replace the CVT assembly.

NO : The inspection is complete.

Inspection Procedure 5: Cannot be Changed in Sport Mode.

Shift switch assembly system circuit

Mitsubishi Outlander. CVT

Mitsubishi Outlander. CVT

SYMPTOMS

Gears cannot be changed even when the selector lever is moved to "+" or "−" position during sport mode.

PROBABLE CAUSES

DIAGNOSTIC PROCEDURE

STEP 1. M.U.T.-III data list

Q: Is the check result normal?

YES : Intermittent malfunction

NO : Go to Step 2.

STEP 2. Shift switch assembly single unit check

Q: Is the check result normal?

YES : Go to Step 3.

NO : Replace the selector lever assembly.

STEP 3. Check the following connector:

Check the terminals for a contact status problem and internal short circuit.

Q: Is the check result normal?

YES : Go to Step 4.

NO : Repair the connector concerned.

STEP 4. Check for open circuit and short to ground in the wiring harness between the selector lever assembly connector and the TCM connector.

Q: Is the check result normal?

YES : Go to Step 5.

NO : Repair the wiring harness.

STEP 5. Retest the system.

Q: Does the malfunction take place again?

YES : Replace TCM.

NO : Intermittent malfunction

Inspection Procedure 6: Cannot be Changed with the Paddle Shift.

Paddle shift switch system circuit

Mitsubishi Outlander. CVT

SYMPTOMS

The transaxle does not upshift or downshift when the paddle shift is operated.

PROBABLE CAUSES

DIAGNOSTIC PROCEDURE

STEP 1. M.U.T.-III data list

Q: Is the check result normal?

YES : Intermittent malfunction

NO : Go to Step 2.

STEP 2. Check the following connector:

Check the contact status of the terminals.

Q: Is the check result normal?

YES : Go to Step 3.

NO : Repair the damaged connector.

STEP 3. Paddle shift switch single unit check

Q: Is the check result normal?

YES : Go to Step 4.

NO : Replace the paddle shift assembly.

STEP 4. Check for open circuit in the wiring harness between the TCM connector and the paddle shift switch connector

Q: Is the check result normal?

YES : Go to Step 5.

NO : Repair the wiring harness.

STEP 5. Retest the system.

Q: Is the check result normal?

YES : Intermittent malfunction

NO : Replace TCM.

Inspection Procedure 7: The fluid temperature warning lamp illuminates too frequently.

PROBABLE CAUSES

DIAGNOSTIC PROCEDURE

STEP 1. Scan tool MB991958 special function

Check the deterioration level of the transmission fluid.

NOTE: The transmission fluid deterioration level is the accumulation of the values counted depending on the fluid temperature of a certain period of time, and it shows the thermal deterioration level of the transmission fluid.

Q: Is the deterioration level of the transmission fluid less than 210,000?

YES : Go to Step 2.

NO : Replace the transmission fluid.

STEP 2. M.U.T.-III data list

Item 5: Transmission fluid temperature sensor.

Q: Is the check result normal?

YES : Go to Step 3.

NO : Diagnostic trouble code No.P0710: Diagnose the transmission fluid temperature sensor.

STEP 3. Air-cooled transmission fluid cooler system clogging check

Check if the air-cooled transmission fluid cooler system is clogged according to the following procedure.

CAUTION Do not reuse the drained transmission fluid.

  1. Remove the transmission fluid cooler hose assembly.
  2. Blow air into the transmission fluid cooler hose assembly, and check that the air comes out from the opposite side.
  3. Blow air into the air-cooled transmission fluid cooler (A in the figure), and check that the air comes out from the opposite side (B in the figure).
  4. Install the parts, and replenish the transmission fluid to the specified quantity.

Q: Is the check result normal?

YES : Go to Step 4.

NO : Replace the part(s) having damage or other problems.

Mitsubishi Outlander. CVT

STEP 4. Thermo valve check

Q: Is the check result normal?

YES : Go to Step 5.

NO : Replace the thermo valve.

STEP 5. Coolant system clogging check

Check if the coolant system is clogged according to the following procedure.

CAUTION Do not reuse the drained coolant.

  1. Drain the coolant.
  2. Remove water feed hose A, water feed hose B and water return hose A.
  3. Blow air into the removed parts, and check that the air comes out from the opposite side.
  4. Blow air into the coolant outlet (A in the figure), and check that the air comes out from the opposite side (B in the figure).
  5. Install the parts, and replenish the coolant to the specified quantity.

Q: Is the check result normal?

YES : Go to Step 6.

NO : Replace the part(s) having damage or other problems.

Mitsubishi Outlander. CVT

STEP 6. Retest the system.

Q: Does a malfunction take place again?

YES : Replace the CVT assembly.

NO : Intermittent malfunction

DATA LIST REFERENCE TABLE

Mitsubishi Outlander. CVT

Mitsubishi Outlander. CVT

Mitsubishi Outlander. CVT

Mitsubishi Outlander. CVT

NOTE: *: Relation between fluid temperature and COUNT is shown to the characteristics chart.

Mitsubishi Outlander. CVT

TCM TERMINAL VOLTAGE REFERENCE CHART FOR TRANSAXLE OPERATION

Mitsubishi Outlander. CVT

Mitsubishi Outlander. CVT

Mitsubishi Outlander. CVT

Mitsubishi Outlander. CVT

OSCILLOSCOPE INSPECTION PROCEDURES

With the connector remain connected, connect the oscilloscope probe to each terminal of TCM.

Mitsubishi Outlander. CVT

Special Tool

Mitsubishi Outlander. CVT

Mitsubishi Outlander. CVT

Mitsubishi Outlander. CVT

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