1999 Honda Accord SENSORS

SENDING UNITS & SENSORS
Component Component Location
Brakelight Failure Sensor (Coupe) Behind trim panel, on left rear of trunk.
Brakelight Failure Sensor (Sedan) On left rear taillight assembly.
Coolant Temperature Gauge Sending Unit Mounted near coolant outlet housing, on cylinder head.
Countershaft Speed Sensor (2.3L) On top left of transaxle.
Countershaft Speed Sensor (3.0L) On top right of transaxle.
Crankshaft Position (CKP) Sensor (3.0L) Behind crankshaft pulley, on oil pump.
Crankshaft Position/Top Dead Center (CKP/TDC) Sensor (2.3L) Behind crankshaft pulley, on oil pump.
Cylinder Position (CYP) Sensor (2.3L) In distributor assembly.
Cylinder Position/Top Dead Center (CYP/TDC) Sensor (3.0L) Behind left camshaft pulley, on timing belt back cover.
Engine Coolant Temperature (ECT) Sending Unit (2.3L) On right rear of cylinder head.
Engine Coolant Temperature (ECT) Sending Unit (3.0L) On rear of engine, on coolant passage.
Engine Coolant Temperature (ECT) Sensor (2.3L) On right rear of cylinder head.
Engine Coolant Temperature (ECT) Sensor (3.0L) On rear of engine, on left side of coolant passage.
Evaporator Temperature Sensor Behind glove box, in evaporator unit.
Fuel Tank Pressure Sensor On underside of vehicle, forward of fuel tank.
Heated Oxygen Sensor (Primary HO2S) (Sensor 1) (2.3L) On exhaust manifold.
Heated Oxygen Sensor (Primary HO2S) (Sensor 1) (3.0L) On front exhaust pipe.
Heated Oxygen Sensor (Secondary HO2S) (Sensor 2) (2.3L) On TWC converter.
Heated Oxygen Sensor (Secondary HO2S) (Sensor 2) (3.0L) On TWC converter.
In-Car Temperature Sensor (A/C) In left lower dash panel, right of steering column.
Intake Air Temperature (IAT) Sensor (2.3L) On front of intake manifold.
Intake Air Temperature (IAT) Sensor (3.0L) On right side of intake manifold.
Knock Sensor (KS) (2.3L) On lower left side of engine, next to oil filter.
Mainshaft Speed Sensor (2.3L) On right rear of transaxle
Mainshaft Speed Sensor (3.0L) On left rear transaxle
Manifold Absolute Pressure (MAP) Sensor On top of throttle body.(2.3L)
Manifold Absolute Pressure (MAP) Sensor (3.0L) On top of throttle body
Outside Temperature Sensor Below center of front bumper.
Sunlight Sensor On center front of dash.
Throttle Position (TP) Sensor (2.3L) On throttle body.
Throttle Position (TP) Sensor (3.0L) On throttle body.
Vehicle Speed Sensor (VSS) (M/T) On top left of transaxle.
Wheel Sensors (Front & Rear) (4) On each front & rear suspension knuckle.