Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Sfi system / Camshaft position sensor ”a” circuit

Toyota Corolla (E120): Camshaft position sensor ”a” circuit

Dtc p0340 camshaft position sensor ”a” circuit (bank 1 or single sensor)

Dtc p0341 camshaft position sensor ”a” circuit range/performance (bank 1 or single sensor)

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Circuit description
The camshaft position sensor (g22+ signal) consists of a magnet, iron core and pickup coil. The g22+ signal plate has 3 teeth on its outer circumference and is installed on the camshaft timing pulley. When the camshafts rotate, the protrusion on the signal plate and the air gap on the pi ...

Inspection procedure
1 Check fuse(ecu–ig) Remove the ecu–ig fuse from the instrument panel j/b.  check the continuity of the ecu–ig fuse. Ok: continuity 2 Inspect terminal voltage(b) Remove the cruise control ecu assy with connector still connected.  turn the ignition switch ...

Circuit description
The variable valve timing (vvt) system includes the ecm, the oil control valve (ocv) and the vvt controller. The ecm sends a target ”duty–cycle” control signal to the ocv. This control signal, applied to the ocv, regulates the oil pressure supplied to the vvt controller. Camshaft timin ...