Hyundai Sonata LF: Engine Control System / Camshaft Position Sensor (CMPS) Description and Operation
Hyundai Sonata LF 2014-2019 Service Manual / Engine Control / Fuel System / Engine Control System / Camshaft Position Sensor (CMPS) Description and Operation
| Description |
Camshaft Position Sensor (CMPS) is a hall sensor and detects the camshaft position by using a hall element.
It is related with Crankshaft Position Sensor (CKPS) and
detects the piston position of each cylinder which the CKPS can't
detect.
The CMPS is installed on engine head cover and uses a target
wheel installed on the camshaft. The Cam Position sensor is a
hall-effect type sensor. As the target wheel passes the Hall sensor, the
magnetic field changes in the sensor. The sensor then switches a signal
which creates a square wave.
Crankshaft Position Sensor (CKPS) Repair procedures
Inspection 1. Check signal waveform of CKPS and CMPS using a GDS. Specification: Refer to “Waveform” Removal 1. Turn the ignition switch OFF and disconnect the battery negative (-) cable...
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Removal 1. Disconnect the battery negative cable and wait for at least 3 minutes before beginning work. 2. Remove the roof trim. (Refer to Body - "Roof Trim Assembly") 3. Disconnect the curtain airbag harness connector. 4. After loosening the mounting bolts and nuts remove the curtain airbag...
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