Code No. P0712: Malfunction of CVT Fluid Temperature Sensor (low input)


DIAGNOSTIC FUNCTION


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

JUDGEMENT CRITERIA


CVT-ECU detects the fluid temperature 180°C or more for 5 seconds.

PROBABLE CAUSES



DIAGNOSIS PROCEDURE

STEP 1. Check for 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 2
Repair the connector(s) or the wiring harness.

STEP 2. CVT fluid temperature sensor check
Refer to .

Q. Is the check result normal?
Go to Step 3
Replace the CVT fluid temperature sensor (valve body harness). (Refer to .).

STEP 3. Symptom recheck after erasing diagnosis code

Q. Is the diagnosis code set?
Replace the CVT-ECU.
Intermittent malfunction.