Engine Control System (Service Specifications): Specifications

Engine Control System (Service Specifications): Specifications Lexus GS IV

TORQUE SPECIFICATIONS [03/2012 - ]

Part Tightened		N*m	Kgf*cm	Ft.*lbf
Camshaft timing oil control valve x Cylinder head cover sub-assembly		10	102	7

CAMSHAFT OIL CONTROL VALVE

Part Tightened		N*m	Kgf*cm	Ft.*lbf
Throttle body with motor assembly x Intake air surge tank assembly		10	102	7
Air cleaner hose clamp		4.0	41	35 in.*lbf

THROTTLE BODY

Part Tightened	N*m	Kgf*cm	Ft.*lbf
No. 2 ECM bracket x ECM	4.5	46	40 in.*lbf
No. 1 ECM bracket x ECM	4.5	46	40 in.*lbf
ECM x Body	12	122	9

ECM

Part Tightened		N*m	Kgf*cm	Ft.*lbf
Mass air flow meter x Air cleaner cap		1.0	10	9 in.*lbf

MASS AIR FLOW METER

Part Tightened		N*m	Kgf*cm	Ft.*lbf
VVT sensor x Cylinder head cover sub-assembly		10	102	7

CAMSHAFT POSITION SENSOR

Part Tightened		N*m	Kgf*cm	Ft.*lbf
Crankshaft position sensor x Cylinder block sub-assembly		10	102	7

CRANKSHAFT POSITION SENSOR

Part Tightened	N*m	Kgf*cm	Ft.*lbf
Spark plug x Cylinder head sub-assembly	18	184	13
Ignition coil assembly x Cylinder head cover sub-assembly	10	102	7
Engine wire x Cylinder head cover sub-assembly	10	102	7
Inverter reservoir tank assembly x Bracket	13	133	10
Inverter bracket x Inverter	8.0	82	71 in.*lbf

IGNITION COIL AND SPARK PLUG

Part Tightened		N*m	Kgf*cm	Ft.*lbf
Engine coolant temperature sensor x Rear water by-pass joint		20	200	14

ENGINE COOLANT TEMPERATURE SENSOR

Part Tightened		N*m	Kgf*cm	Ft.*lbf
Knock sensor x Cylinder block sub-assembly		20	204	15

KNOCK SENSOR

Part Tightened		N*m	Kgf*cm	Ft.*lbf
Manifold absolute pressure sensor x Intake air surge tank assembly		10	102	7

MANIFOLD ABSOLUTE PRESSURE SENSOR

Part Tightened		N*m	Kgf*cm	Ft.*lbf
Air fuel ratio sensor x Exhaust manifold		44 (40)	449 (408)	32 (30)

AIR FUEL RATIO SENSOR

(): For use with SST

Part Tightened		N*m	Kgf*cm	Ft.*lbf
Heated oxygen sensor x Exhaust pipe		44 (40)	449 (408)	32 (30)

HEATED OXYGEN SENSOR

(): For use with SST