Mazda CX-5 Service & Repair Manual: Camshaft Position (CMP) Sensor
Purpose/Function
-
Detects the camshaft speed as basic information for mainly determining the fuel injection timing and ignition timing.
-
Detects the camshaft speed and inputs it to the PCM as a CMP signal.
Construction
Intake CMP sensor
-
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
-
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:
Taillight Bulb Removal/Installation
1. Disconnect the negative battery cable..
2. Insert a tape-wrapped flathead screwdriver into the service hole in the position
shown in the figure.
3. Move the flathead screwdriver in the direction of the arrow (1) shown in the
figure, pull out the service hole cover from the liftgate, a ...
Front Wiring Harness Protector Removal/Installation
Front Wiring Harness Protector No.1
1. Disconnect the negative battery cable..
2. Remove the air cleaner case..
3. While pressing the tabs of clip A in the direction of the arrows (1) shown
in the figure, pull clip A in the direction of the arrow (2) shown in the figure
to detach the tab of ...
PID/Data Monitor Inspection [Two Step Deployment Control System]
1. Connect the M-MDS to the DLC-2.
2. After the vehicle is identified, select the following items from the initialization
screen of the M-MDS.
a. Select “DataLogger”.
b. Select “Modules”.
c. Select “RCM”.
3. Select the applicable PID from the PID table.
4. Verify the PID da ...