Mazda CX-5 Service & Repair Manual: Camshaft Position (CMP) Sensor

Mazda CX-5 Service & Repair Manual / Engine / Engine Assembly / Valvetrain, Cylinder Head / Camshaft Position (CMP) Sensor

Purpose/Function

Detects the camshaft speed as basic information for mainly determining the fuel injection timing and ignition timing.
Detects the camshaft speed and inputs it to the PCM as a CMP signal.

Construction

Intake CMP sensor

Installed on the cylinder head.
A GMR element has been adopted as the detecting element for detecting the intake camshaft speed.

Exhaust CMP sensor

Installed on the rear housing.
A GMR element has been adopted as the detecting element for detecting the exhaust camshaft speed.

Operation

Inputs the signal, which fluctuates according to the camshaft speed, to the PCM.

CMP sensor characteristic

Fail-safe

Intake CMP sensor


DTC No.	Fail-safe function
P0340:00	Set the electric variable valve timing control to the maximum cam retard mode.

Exhaust CMP sensor


DTC No.	Fail-safe function
P0365:00	Stops the fuel injection. Stops the ignition.

Camshaft Position (CMP) Sensor Removal/Installation

CAUTION: When replacing the CMP sensor, make sure there is no foreign material on it such as metal shavings. If it is installed with foreign material, the sensor output signal will malfu ...

Camshaft

Purpose, Function The camshaft is rotated by receiving the rotation force of the crankshaft via the timing chain. The valve is opened and closed according to the cam shape at this time. ...

Other materials:

Fuel System
Purpose, Outline A multiple hole type fuel injector has been adopted which provides higher fuel injection accuracy for improved fuel efficiency and output. Piston movement-compression by the 4-head cam inside the high pressure fuel pump heightens the fuel pressure, achieving imp ...

Clutch Unit Removal/Installation [C66 M R]
1. Disconnect the negative battery cable.. 2. Remove the MTX.. 3. Remove in the order indicated in the table. 4. Install in the reverse order of removal. 5. Add the specified amount of specified transaxle oil.. 1 Boot 2 Clutch release ...

Door Locks
WARNING Always take all children and pets with you or leave a responsible person with them: Leaving a child or a pet unattended in a parked vehicle is dangerous. In hot weather, temperatures inside a vehicle can become high enough to cause brain damage or even death. Do not leave the key in ...