Crankshaft Position (Ckp) Sensor Function [Lf]; Crankshaft Position (Ckp) Sensor Construction/Operation [Lf] - Mazda 2006 MX-5 Service Highlights

CRANKSHAFT POSITION (CKP) SENSOR FUNCTION [LF]

• Detects the pulse wheel rotation pulse as the engine crank angle signal.
End Of Sie

CRANKSHAFT POSITION (CKP) SENSOR CONSTRUCTION/OPERATION [LF]

• The CKP sensor is installed on the engine front cover.
• The crankshaft position sensor pulse wheel has 30 projections with 10 ° of crank angle between the rising edge
of each projection.
• The crankshaft position sensor consists of a Hall element with a magnetic sensor, and a processing circuit that
performs signal amplification and identification.
• The projections on the plate installed to the crankshaft pulley cause a change in the magnetic flux when they
pass near the magnetic sensor of the CKP sensor by the rotation of the crankshaft. The CKP sensor converts
the change in magnetic flux to a digital waveform (rectangular waves) by the processing circuit. The PCM
detects the engine speed and crankshaft position based on the crankshaft position waveforms.
EMPTY SPACE
PAINT MARK AT
5TH TOOTH
CKP SENSOR
CENTER LINE OF
CKP SENSOR
CKP OUTPUT
SIGNAL
End Of Sie
CONTROL SYSTEM
CKP SENSOR
ROTATION
CKP
SENSOR
OUTPUT
SIGNAL
PULSE WHEEL
30˚
10˚ 30˚
16 TOOTH
360˚
13 TOOTH
E5U014018220N01
E5U014018220N02
01–40
PCM
CPU
E5U140ZT5013
01–40–43