Code No. P0712: Malfunction of CVT Fluid Temperature Sensor (Short)
Code No. P0713: Malfunction of CVT Fluid Temperature Sensor (Open)




DIAGNOSTIC FUNCTION


CVT-ECU conducts fault detection by monitoring the terminal voltage of the CVT fluid temperature sensor.

JUDGEMENT CRITERIA




PROBABLE CAUSES




DIAGNOSTIC PROCEDURE


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


Item 05: CVT fluid temperature sensor signal (Refer to Service Data Reference Table ).

Q. Is the check result normal?

Intermittent malfunction
Go to Step 2.

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


Q. Is the check result normal?

Go to Step 3.
Repair the connector(s) or wiring harness.

STEP 3. Check for open circuit in SGND line between the CVT assembly connector and the CVT-ECU connector


Q. Is the check result normal?

Go to Step 4.
Repair the connector(s) or wiring harness.

STEP 4. CVT fluid temperature sensor check


Refer to .

Q. Is the check result normal?

Go to Step 5.
Replace the valve body assembly.

STEP 5. Symptom recheck after erasing diagnosis code


Q. Is the check result normal?

Intermittent malfunction
Replace CVT-ECU.