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

Mazda CX-5 Service & Repair Manual / Engine / Engine Assembly / Crank, Balancer / 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. ...

Crankshaft, Main Bearing

Purpose, Function The crankshaft converts the reciprocating movement of the piston to a rotational movement via the connecting rod. The main bearing forms an oil film on the outer su ...

Other materials:

Fuel and Engine Exhaust Precautions
Fuel Requirements Vehicles with catalytic converters or oxygen sensors must use ONLY UNLEADED FUEL, which will reduce exhaust emissions and keep spark plug fouling to a minimum. Your Mazda will perform best with fuel listed in the table. Fuel with a rating lower than 87 octane (91 RON) could ...

Filament Inspection
1. Switch the ignition ON (engine off). 2. Turn the rear window defroster switch on. CAUTION: Directly touching the rear window defroster filament with the lead of the tester could damage it. Wrap aluminum foil around the end of the lead and inspect the filament by touching it ...

Security Indicator Light
Purpose Notifies the driver that the immobilizer system is operating. Function If a malfunction is detected in the immobilizer system, the DTC can be verified by the flashing pattern of the security indicator light. Construction The security indicator light is bui ...