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:

Turn Light System
Purpose The turn light system flashes the turn light three times automatically according to the turn switch operation. The front body control module (FBCM) performs turn light system fail-safe.. Function The front body control module (FBCM) performs control based on th ...

Refrigerant System Service Warnings
Handling Refrigerant Avoid breathing air conditioning refrigerant or lubricant vapor. Exposure may irritate eyes, nose and throat. Also, due to environmental concerns, we urge use of recovery/recycling/recharging equipment when draining HFC-134a from the air conditioning system. If a ...

Auto Light Sensor
Purpose The auto light sensor detects the illumination level above and in front of the vehicle and outputs it to the front body control module (FBCM). Function The auto-light sensor uses the upward illumination level sensor to detect the illumination level above the vehicle ...