INSPECTION PROCEDURE 1. INSPECT PCV VALVE (VENTILATION VALVE SUB-ASSEMBLY) (a) Install a hose to the PCV valve (ventilation valve sub-assembly). (b) Check the PCV valve (ventilation valve sub-assembly) operation. (1) Blow air into the cylinder head sub-assembly side, and check that air passes through easily. 
CAUTION: Do not suck air through the valve. Petroleum substances inside the valve are hazardous to your health. If the result is not as specified, replace the PCV valve (ventilation valve sub-assembly). (2) Blow air into the intake manifold side, and check that air passes through with difficulty. 
CAUTION: Do not suck air through the valve. Petroleum substances inside the valve are hazardous to your health. If the result is not as specified, replace the PCV valve (ventilation valve sub-assembly). (c) Remove the hose from the PCV valve (ventilation valve sub-assembly). |
Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Lighting System(for Gasoline Model Without Cornering Light): Customize Parameters
CUSTOMIZE PARAMETERS CUSTOMIZE LIGHTING SYSTEM (EXT) (for Gasoline Model without Cornering Light) NOTICE: When the customer requests a change in a function, first make sure that the function can be customized. Be sure to make a note of the current settings before customizing. When troubleshooting a ...
