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:

Tire Pressure Monitoring System Warning Light
Purpose, Function The tire pressure monitoring system warning light notifies the driver that it was determined that a tire pressure has decreased below the specified value based on the initialization. The tire pressure monitoring system warning light notifies the driver that ...

Front Map Light
Purpose The front map lights shine light at the front of the vehicle interior. Function The front map lights illuminate when the map light switch is turned on. Illuminates according to the lock condition of the driver's door and open/close conditions of the doors u ...

Liquid Crystal Display (LCD)
Outline The LCD displays vehicle information in the instrument cluster. The instrument cluster performs LCD fail-safe.. Function/Construction The instrument cluster configures the indication of the LCD based on the CAN signals sent from the related modules and displays ...