Mazda CX-5 Service & Repair Manual: Crankshaft Position (CKP) Sensor

Mazda CX-5 Service & Repair Manual / Engine / Control / Crankshaft Position (CKP) Sensor

Purpose/Function

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

Construction

Installed on the side of the cylinder block (right side).
An MR (Magnetic Resistance) element has been adopted as the detecting element for detecting the crankshaft speed.

Operation

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

CKP sensor characteristic

Fail-safe


DTC No.	Fail-safe function
P0335:00	Stops the fuel injection. Stops the ignition.

Crankshaft Position (CKP) Sensor Removal/Installation

CAUTION: When foreign material such as an iron chip is on the CKP sensor, it can cause abnormal output from the sensor because of flux turbulence and adversely affect the engine control. ...

Engine Coolant Temperature (ECT) Sensor Inspection

Resistance Inspection WARNING: When the engine is hot, it can badly burn. Turn off the engine and wait until it is cool before removing the ECT sensor. ECT Sensor No.1 1. Remove the ...

Other materials:

Power Window Motor
Purpose The power window motor transmits rotation force to the power window regulator to open/close the door glass. Function The power window motor rotates clockwise/counterclockwise when it receives an open/close signal from the power window main switch or the power window subswitch. Constr ...

Thermostat Removal/Installation
WARNING: Never remove the cooling system cap or loosen the radiator drain plug while the engine is running, or when the engine and radiator are hot. Scalding engine coolant and steam may shoot out and cause serious injury. It may also damage the engine and cooling system. Tu ...

Overheating
Overheating If the High engine coolant temperature warning light illuminates, the vehicle loses power, or you hear a loud knocking or pinging noise, the engine is probably too hot. WARNING Switch the ignition to off and make sure the fan is not running before attempting to work near the c ...