Toyota Corolla Cross: Power Door Lock Control System

 Problem Symptoms Table

PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by

 Pcv Valve

On-vehicle InspectionON-VEHICLE INSPECTION PROCEDURE 1. INSPECT PCV VALVE (VENTILATION VALVE SUB-ASSEMBLY) (a) Check the PCV valve (ventilation valve sub-assembly) operation. (1) Start the engine. (2) Slide the clip and disconnect the No. 2 ventilation hose from the air cleaner hose assem