Components COMPONENTS ILLUSTRATION ![]()
Inspection INSPECTION PROCEDURE 1. INSPECT PCV VALVE (VENTILATION VALVE SUB-ASSEMBLY) (a) Install a hose to the PCV valve (ventilation valve sub-assembly). (b) Check PCV valve (ventilation valve sub-assembly) operation. (1) Blow air into the cylinder head cover sub-assembly LH 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 air surge tank assembly 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). Installation INSTALLATION PROCEDURE 1. INSTALL PCV VALVE (VENTILATION VALVE SUB-ASSEMBLY) (a) Apply a light coat of engine oil to the O-ring. (b) Using a 22 mm deep socket wrench, install the PCV valve (ventilation valve sub-assembly) to the cylinder head cover sub-assembly LH. Torque: 5.0 N·m {51 kgf·cm, 44 in·lbf} NOTICE: When reusing the PCV valve (ventilation valve sub-assembly), inspect the O-ring. 2. CONNECT VENTILATION HOSE (a) Connect the ventilation hose to the PCV valve (ventilation valve sub-assembly) and slide the clip to secure it. 3. INSTALL V-BANK COVER SUB-ASSEMBLY Click here
Removal REMOVAL PROCEDURE 1. REMOVE V-BANK COVER SUB-ASSEMBLY Click here
2. DISCONNECT VENTILATION HOSE
3. REMOVE PCV VALVE (VENTILATION VALVE SUB-ASSEMBLY)
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Toyota Avalon Service & Repair Manual > Airbag System(for Gasoline Model): Seat Belt Buckle Switch (LH) (B1656)
DESCRIPTION The front seat belt buckle switch LH circuit consists of the airbag ECU assembly and front seat belt buckle switch LH (front seat inner belt assembly LH). DTC B1656 is stored when a malfunction is detected in the front seat belt buckle switch LH circuit. DTC No. Detection Item DTC Detect ...