DTC P084A: Abnormality in Primary Pressure Sensor Function: Diagnosis

STEP 1. Scan tool (M.U.T.-IIISE) DTC .
Q: Is diagnostic trouble code No. P0842, P0843, P0847 or P0848 set?

YES : Carry out the appropriate troubleshooting.

NO : Go to Step 2.
STEP 2. CVT belt inspection
Use the bore scope to check the appearance (Slip marks, the presence or absence of damage) of the CVT belt. (Refer to DISASSEMBLY AND REASSEMBLY )

Q: Is the CVT belt normal?

YES : Replace the valve body assembly. Then go to Step 3.

NO : Replace the belt & pulley and valve body assembly.
STEP 3. Check whether the DTC is stored again
Erase the DTC.

Then, drive the vehicle for a while and check again.

Q: Is the diagnostic trouble code set?

YES : Replace the TCM.

NO : This diagnosis is complete.