Mitsubishi Outlander (2013+). Manual - part 364

TROUBLESHOOTING

CVT

23A-26

STEP 2. M.U.T.-III data list
Item 33: Line pressure solenoid output current (Refer 
to Service Data Table 

P.23A-40

.)

Q: Is the check result normal?

YES : 

Intermittent malfunction

NO : 

Go to Step 3.

STEP 3. Line Pressure Check
Carry out "hydraulic test"(Refer to 

P.23A-54

).

Q: Is the check result normal?

YES : 

Go to Step 4.

NO : 

Repair according to the hydraulic pressure 
diagnosis table.

STEP 4. Symptom recheck after erasing 
diagnosis code

Q: Is the check result normal?

YES : 

Intermittent malfunction

NO : 

Replace CVT-ECU.

Code No. P0776: Abnormality in Secondary Pressure Solenoid Valve Function

DIAGNOSTIC FUNCTION

CVT-ECU conducts fault detection by measuring the 
difference between the target value and the actual 
value for the secondary pressure.

JUDGEMENT CRITERIA

The following three conditions are met for three sec-
onds.

1. Engine speed is 450 r/min or more.
2. Power supply voltage is 10 V or more.
3. Difference between target secondary pressure 

and actual secondary pressure is 1.20 MPa for 3 
seconds continuously.

PROBABLE CAUSES

• Trouble in CAN bus system

• Abnormal line pressure

• Malfunction of CVT-ECU

DIAGNOSTIC PROCEDURE

STEP 1. M.U.T.-III CAN bus diagnostics
Use M.U.T.-III to perform the CAN bus diagnosis.

Q: Is the check result normal?

YES : 

Go to Step 2.

NO : 

Repair the CAN bus lines (Refer to GROUP 
54C 

− Troubleshooting, Diagnosis Code 

Chart ).

STEP 2. Check other diagnosis codes.

Q: Are other diagnosis codes set?

YES : 

Carry out the appropriate troubleshooting.

NO : 

Go to Step 3.

STEP 3. M.U.T.-III data list
Item 19: Secondary pressure (Refer to Service Data 
Table 

P.23A-40

.)

Q: Is the check result normal?

YES : 

Intermittent malfunction

NO : 

Go to Step 4.

STEP 4. Line Pressure Check
Carry out "hydraulic test"(Refer to 

P.23A-54

).

Q: Is the check result normal?

YES : 

Go to Step 5.

NO : 

Repair according to the hydraulic pressure 
diagnosis table.

STEP 5. Symptom recheck after erasing 
diagnosis code

Q: Is the check result normal?

YES : 

Intermittent malfunction

NO : 

Replace CVT-ECU.

Code No. P0778: Malfunction of Secondary Pressure Solenoid Valve

DIAGNOSTIC FUNCTION

CVT-ECU determines malfunction by detecting the 
abnormality in the secondary pressure solenoid 
valve.

JUDGEMENT CRITERIA

Specified amount of current is not flown to the line 
pressure solenoid valve because of the open or short 
circuit.

TROUBLESHOOTING

CVT

23A-27

PROBABLE CAUSES

• Malfunction of valve body assembly (Faulty sec-

ondary pressure solenoid valve)

• Damaged wiring harness and connectors

• Malfunction of CVT-ECU

DIAGNOSTIC PROCEDURE

STEP 1. M.U.T.-III data list

• Item 35: Secondary pressure solenoid output cur-

rent

• Item 34: Secondary pressure solenoid monitoring 

current

OK: Check if the output current and monitor-
ing current differ largely.

Q: Is the check result normal?

YES : 

Intermittent malfunction

NO : 

Go to Step 2.

STEP 2. Check for open circuit and short to earth 
in SCLS line between the CVT-ECU connector 
and the CVT assembly connector.

Q: Is the check result normal?

YES : 

Go to Step 3.

NO : 

Repair the wiring harness.

STEP 3. Secondary pressure solenoid valve 
single unit check
Refer to 

P.23A-52

.

Q: Is the check result normal?

YES : 

Go to Step 4.

NO : 

Replace the valve body assembly.

STEP 4. Symptom recheck after erasing 
diagnosis code

Q: Is the check result normal?

YES : 

Intermittent malfunction

NO : 

Replace CVT-ECU.

Code No. P0815 Malfunction of paddle shift UP switch

DIAGNOSTIC FUNCTION

CVT-ECU detects that the paddle shift UP switch is 
stuck to ON.

JUDGMENT CRITERIA

When the paddle shift UP switch being ON consecu-
tively for 60 seconds is detected. 

PROBABLE CAUSES

• Malfunction of paddle shift switch

• Damaged wiring harness and connectors

• Malfunction of CVT-ECU

DIAGNOSTIC PROCEDURE

STEP 1. M.U.T.-III data list
Item 54: Paddle shift SW (UP)

OK: The service data changes in response to 
the paddle shift operation.

Q: Is the check result normal?

YES : 

Intermittent malfunction

NO : 

Go to Step 2.

STEP 2. Paddle shift switch single unit check
Refer to 

P.23A-66

.

Q: Is the check result normal?

YES : 

Go to Step 3.

NO : 

Replace the paddle shift switch.

STEP 3. Check for short to earth in PDUP line 
between the CVT-ECU connector and the paddle 
shift switch connector

Q: Is the check result normal?

YES : 

Go to Step 4.

NO : 

Repair the connector(s) or wiring harness.

STEP 4. Check for open circuit in earth line 
between the paddle shift switch connector and 
body erth

Q: Is the check result normal?

YES : 

Go to Step 5.

NO : 

Repair the connector(s) or wiring harness.

STEP 5. Symptom recheck after erasing 
diagnosis code

Q: Is the check result normal?

YES : 

Intermittent malfunction

NO : 

Replace CVT-ECU.

TROUBLESHOOTING

CVT

23A-28

Code No. P0816 Malfunction of paddle shift DOWN switch

DIAGNOSTIC FUNCTION

CVT-ECU detects that the paddle shift DOWN switch 
is stuck to ON.

JUDGEMENT CRITERIA

When the paddle shift DOWN switch being ON con-
secutively for 60 seconds is detected.

PROBABLE CAUSES

• Malfunction of paddle shift switch

• Damaged wiring harness and connectors

• Malfunction of CVT-ECU

DIAGNOSTIC PROCEDURE

STEP 1. M.U.T.-III data list
Item 55: Paddle shift SW (DOWN)

OK: The service data changes in response to 
the paddle shift operation.

Q: Is the check result normal?

YES : 

Intermittent malfunction

NO : 

Go to Step 2.

STEP 2. Paddle shift switch single unit check
Refer to 

P.23A-66

.

Q: Is the check result normal?

YES : 

Go to Step 3.

NO : 

Replace the paddle shift switch.

STEP 3. Check for short to earth in PDDW line 
between the CVT-ECU connector and the paddle 
shift switch connector

Q: Is the check result normal?

YES : 

Go to Step 4.

NO : 

Repair the wiring harness.

STEP 4. Check for open circuit in earth line 
between  the paddle shift switch connector and 
body erth

Q: Is the check result normal?

YES : 

Go to Step 5.

NO : 

Repair the connector(s) or wiring harness.

STEP 5. Retest the system.

Q: Is the check result normal?

YES : 

Intermittent malfunction

NO : 

Replace CVT-ECU.

Code No. P0840: Malfunction of Secondary Pressure Sensor

DIAGNOSTIC FUNCTION

CVT-ECU conducts fault detection by monitoring the 
output voltage of the secondary pressure sensor.

JUDGEMENT CRITERIA

• The status with the fluid temperature of −20°C or 

more and with the secondary pressure sensor 
voltage of 4.69 V or more continues for 5 sec-
onds.

• The status with the fluid temperature of −20°C or 

more and with the secondary pressure sensor 
voltage of 0.09 V or less continues for 5 seconds.

PROBABLE CAUSES

• Malfunction of valve body assembly (Faulty sec-

ondary pressure sensor)

• Damaged wiring harness and connectors

• Malfunction of CVT-ECU

DIAGNOSTIC PROCEDURE

STEP 1. M.U.T.-III data list

• Item 04: Secondary pressure sensor signal 

(Refer to Service Data Reference Table 

P.23A-40

.)

Q: Is the check result normal?

YES : 

Intermittent malfunction

NO : 

Go to Step 2.

STEP 2. Check for open circuit and short to earth 
in LRPS, SGND, SSPW line between the CVT-ECU 
connector and the CVT assembly connector.

Q: Is the check result normal?

YES : 

Go to Step 3.

NO : 

Repair the connector(s) or wiring harness.

TROUBLESHOOTING

CVT

23A-29

STEP 3. Symptom recheck after replacing the 
valve body assembly

Q: Is the check result normal?

YES : 

The inspection is complete.

NO : 

Replace CVT-ECU.

Code No. P0841: Abnormality in Line Pressure Sensor Function

DIAGNOSTIC FUNCTION

CVT-ECU conducts fault detection by comparing the 
target line pressure reading with the actual second-
ary pressure reading.

JUDGEMENT CRITERIA

The actual secondary pressure reading is 0.675 MPa 
or more, and the status over the target line pressure 
remains for 5 seconds.

PROBABLE CAUSES

• Abnormal line pressure

• Abnormality in secondary pressure sensor sys-

tem

• Malfunction of CVT-ECU

DIAGNOSTIC PROCEDURE

STEP 1. Check other diagnosis codes.

Q: Are other diagnosis codes set?

YES : 

Go to the appropriate troubleshooting.

NO : 

Go to Step 2.

STEP 2. Line pressure check
Carry out "hydraulic test"(Refer to 

P.23A-54

).

Q: Is the check result normal?

YES : 

Go to Step 3.

NO : 

Repair according to the hydraulic pressure 
diagnosis table.

STEP 3. Symptom recheck after erasing 
diagnosis code

Q: Is the check result normal?

YES : 

Intermittent malfunction

NO : 

Replace CVT-ECU.

Code No. P0868: Secondary Pressure Drop

DIAGNOSTIC FUNCTION

CVT-ECU detects the secondary pressure drop dur-
ing driving.

JUDGEMENT CRITERIA

The value obtained by subtracting the actual second-
ary pressure sensor reading from the target second-
ary pressure sensor reading is 0.25 MPa or more.

PROBABLE CAUSES

• Damaged wiring harness and connectors

• Malfunction of CVT assembly

• Malfunction of CVT-ECU

DIAGNOSTIC PROCEDURE

STEP 1. Check other diagnosis codes

Q: Are other diagnosis codes set?

YES : 

Go to the appropriate troubleshooting.

NO : 

Go to Step 2.

STEP 2. Check for short to earth in LRPS line 
between the CVT-ECU connector and the CVT 
assembly connector

Q: Is the check result normal?

YES : 

Go to Step 3.

NO : 

Repair the connector(s) or wiring harness.

STEP 3. Symptom recheck after erasing 
diagnosis code

Q: Is the check result normal?

YES : 

Intermittent malfunction

NO : 

Replace the CVT-ECU, and then go to Step 
4.