Code No. P1247: Trustful Check CVT <CVT>
FUNCTION
Checks for an abnormal signal of CVT-ECU.
TROUBLE JUDGEMENT
Check Condition
Ignition switch is "ON" position.
Judgment Criterion
A torque demand signal from CVT-ECU is abnormal.
FAIL-SAFE AND BACKUP FUNCTION
Torque requested by CVT-ECU is ignored.
PROBABLE CAUSES
Failed CVT system
Failed engine-ECU
DIAGNOSIS PROCEDURE
STEP 1. M.U.T.-III other system diagnosis code
Confirm whether the diagnosis code is stored in the CVT-ECU.
Q. Is diagnosis code stored?
Perform troubleshooting of CVT system (Refer to GROUP 23A - Troubleshooting - Diagnosis Code Chart
).
Go to Step 2.
STEP 2. M.U.T.-III diagnosis code
Reconfirmation of diagnosis code.
Q. Is diagnosis code stored?
Replace the engine-ECU.
Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunctions
).