RM38N0EC _51 Engine / Hybrid System _111785 M20C-FKS, M20D-FKS ENGINE CONTROL _0503279 AIR FUEL RATIO SENSOR(for Sensor 1) A

M20C-FKS, M20D-FKS ENGINE CONTROL AIR FUEL RATIO SENSOR(for Sensor 1) REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during air fuel ratio sensor removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced
Replaced Part or Performed Procedure	Necessary Procedure	Effect/Inoperative Function when Necessary Procedure not Performed	Link
· Replacement of air fuel ratio sensor (sensor 1) · Gas leak from exhaust system is repaired	Inspection after repair	· Poor idle, etc. · Engine start function, etc.	(202111,202303,_51,_111785,_0504416,RM100000001ZIBM,202303,999999,_51,_111785,_0504416,RM1000000029BFF,)

NOTICE:: This procedure includes the removal of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts.; Click hereGeneral>INTRODUCTION>REPAIR INSTRUCTION>PRECAUTION202111,999999,_V1,_111779,_0504973,RM100000001ZKRM,

PROCEDURE

Hide Display 12601B 1.REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY

Click hereEngine / Hybrid System>M20C-FKS, M20D-FKS (ENGINE MECHANICAL)>ENGINE ASSEMBLY>REMOVAL202111,202203,_51,_111786,_0499722,RM100000001YZIH_01_0288,202203,202303,_51,_111786,_0499722,RM1000000022F78_01_0288,202303,202406,_51,_111786,_0499722,RM100000002A0JY_01_0288,202406,202409,_51,_111786,_0499722,RM100000002MXOE_01_0288,202409,999999,_51,_111786,_0499722,RM100000002OLFC_01_0288,

Hide Display 89467B 2.REMOVE AIR FUEL RATIO SENSOR

CAUTION:: To prevent burns, do not touch the engine, exhaust manifold or other high temperature components while the engine is hot.

Disengage the 4 wire harness clamps.

Disconnect the air fuel ratio sensor connector.

Using an 8 mm socket wrench, remove the bolt and wire harness clamp bracket from the camshaft housing sub-assembly.

0.927,1.229 1.344,1.229 true 0.594,1.146 0.917,1.344 0.323,0.198 10 true SST

Using SST, remove the air fuel ratio sensor from the exhaust manifold (TWC: Front Catalyst).

SST: 09224-00012

NOTICE:: If the air fuel ratio sensor has been struck or dropped, replace it.