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Hyundai Tucson: Camshaft Position Sensor (CMPS)

Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual / Engine Control - Fuel System / Camshaft Position Sensor (CMPS)

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.

Bank 1 / Intake

Bank 1 / Exhaust

Bank 1 / Exhaust

Circuit Diagram

Circuit Diagram

Harness Connector CMPS Bank 1 / Intake

Harness Connector CMPS Bank 1 / Intake

CMPS Bank 1 / Exhaust

CMPS Bank 1 / Exhaust

Inspection

Inspection

  1. Check signal waveform of CKPS and CMPS using a diagnostic tool.

Specification : Refer to "DTC Diagnosis Guide"

Removal

WARNING

DON'T remove the camshaft position sensor during engine running or right after engine stops, or a scald by the flowed out engine oil may occur.

Bank 1 / Intake

  1. Turn ignition switch OFF and disconnect the battery negative (-) terminal.
  2. Disconnect the camshaft position sensor connector (A).
  3. Remove the installation bolt, and then remove the sensor (B).

Tightening Torque : 9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)

Bank 1 / Exhaust

Bank 1 / Exhaust

  1. Turn ignition switch OFF and disconnect the battery negative (-) terminal.
  2. Disconnect the camshaft position sensor connector (A).
  3. Remove the installation bolt, and then remove the sensor (B).

Tightening Torque : 9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)

Installation

Installation

WARNING

  • Install the component with the specified torques.
  • Note that internal damage may occur when the component is dropped. If the component has been dropped, inspect before installing.

WARNING

Apply the engine coolant to the O-ring.

WARNING

Insert the sensor in the installation hole and be careful not to damage.

  1. Install in the reverse order of removal.

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