Mazda CX-5 Service & Repair Manual: Camshaft Position (CMP) Sensor
Purpose/Function
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Detects the camshaft speed as basic information for mainly determining the fuel injection timing and ignition timing.
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Detects the camshaft speed and inputs it to the PCM as a CMP signal.
Construction
Intake CMP sensor
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Installed on the cylinder head.
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A GMR element has been adopted as the detecting element for detecting the intake camshaft speed.
Exhaust CMP sensor
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Installed on the rear housing.
-
A GMR element has been adopted as the detecting element for detecting the exhaust camshaft speed.
Operation
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Inputs the signal, which fluctuates according to the camshaft speed, to the PCM.
CMP sensor characteristic
Fail-safe
Intake CMP sensor
|
DTC No. |
Fail-safe function |
|
P0340:00 |
|
Exhaust CMP sensor
|
DTC No. |
Fail-safe function |
|
P0365:00 |
|
Camshaft Position (CMP) Sensor Removal/Installation
CAUTION:
When replacing the CMP sensor, make sure there is no foreign material on
it such as metal shavings. If it is installed with foreign material, the sensor
output signal will malfu ...
Crankshaft Position (CKP) Sensor Inspection
Visual Inspection
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
...
Other materials:
Mechanical
Outline
The sliding resistance*1 has been reduced by:
the adoption of a rocker arm (built into needle roller bearing)
reducing load on the valve spring
narrowing down the crankshaft journal
optimizing the piston skirt shape
adoption of ...
Registering Your Vehicle in A Foreign Country (Except United States and Canada)
Registering your vehicle in a foreign country may be problematic depending on
whether it meets the specific emission and safety standards of the country in which
the vehicle will be driven. Consequently, your vehicle may require modifications
at personal expense in order to meet the regulation ...
Outside the United States/Canada
Government regulations in the United States/Canada require that automobiles meet
specific emission regulations and safety standards. Therefore, vehicles built for
use in the United States/Canada may differ from those sold in other countries.
The differences may make it difficult or even impossi ...