Mazda CX-5 Service & Repair Manual: Crankshaft Position (CKP) Sensor
Purpose/Function
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Detects the crankshaft speed as basic information for mainly determining the fuel injection timing and ignition timing.
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Detects the crankshaft speed and inputs it to the PCM as a CKP signal.
Construction
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Installed on the side of the cylinder block (right side).
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An MR (Magnetic Resistance) element has been adopted as the detecting element for detecting the crankshaft speed.
Operation
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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 |
|
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:
Personalization Features
The following systems can be customized.
When performing a customized setting, refer to the referenced section for
the detailed setting procedure.
Security And Locks
NOTE:
There are two types of customization procedures; one using the M-MDS and
the other using the ...
Heater Core Inspection
1. Inspect the heater core for damage, cracks, and water leakage.
If there is any malfunction, replace the heater core.
2. Visually inspect the fins for bending.
If there is any bending, use the end of a flathead screwdriver to straighten
the fins.
3. Visually inspect ...
Fuel Pump Control
Outline
By switching the fuel pump discharge amount, reduced power consumption and
improved fuel economy have been realized.
The PCM determines the optimum fuel pump drive force according to the engine
operation conditions, and sends the fuel pump drive signal to the fuel pump
...
