Mazda CX-5 Service & Repair Manual: Camshaft
Purpose, Function
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The camshaft is rotated by receiving the rotation force of the crankshaft via the timing chain. The valve is opened and closed according to the cam shape at this time.
Construction
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The camshaft is installed to the cylinder head.
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The intake camshaft is a five-bearing type and the exhaust camshaft is a six-bearing type.
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The camshaft thrust force is suppressed by the No.1 journal.
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The camshaft has the following parts shown in the figure.
Valve timing
Type A
Type B
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 ...
Cylinder Head Cover
Purpose, Function
The cylinder head cover prevents foreign material penetration and engine
oil spatter.
The oil baffle plate reduces engine oil consumption by separating the engine
...
Other materials:
Start Stop Unit
Purpose
Performs control of several systems based on input/output signals from switches.
Function
The start stop unit controls systems based on the input/output signals.
The functions which are controlled are as follows:
Control Table
Control ...
Rain Sensor
Outline
The rain sensor detects the amount of rainfall and calculates the wiper operation
speed, and outputs a windshield wiper control signal to the front body control
module (FBCM) to perform automatic wiper operation (auto wiper system) according
to the amount of rainfall.
...
Back Up Light Switch Inspection
1. Disconnect the negative battery cable..
2. Remove the front under cover No.2..
3. Remove the back-up light switch..
4. Verify that the continuity between the back-up light switch terminals is as
indicated in the table.
If not as indicated in the table, replace the back-up ...
