Code No. P0868: Secondary Pressure Drop


DIAGNOSTIC FUNCTION


CVT-ECU detects the secondary pressure drop during driving.

JUDGEMENT CRITERIA


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

PROBABLE CAUSES



DIAGNOSTIC PROCEDURE

STEP 1. Check other diagnosis codes

Q. Are other diagnosis codes set?
Go to the appropriate troubleshooting.
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?
Go to Step 3.
Repair the connector(s) or wiring harness.

STEP 3. Symptom recheck after erasing diagnosis code

Q. Is the check result normal?
Intermittent malfunction
Replace the CVT-ECU, and then go to Step 4.

STEP 4. Retest the system.

Q. Is the check result normal?
The inspection is complete.
Replace the CVT assembly.