Connect Oil pressure guage to "RVS" and "LR" port.
Engine "ON".
Drive a car with gear position R
Compare it with referance data as below
Specification :
※ The values are subject to change according to vehicle model or condition
Is oil pressure value within specifications?
YES
Repair AUTO TRANSAXLE(Clutch or Brake) and Go to "Verification Vehicle Repair" procedure.
NO
Replace AUTO TRANSAXLE (BODY CONTROL VALVE faulty) and Go to "Verification Vehicle Repair " procedure.