Mazda CX-5 Service & Repair Manual: Knock Sensor (Ks)
Purpose/Function
-
Detects abnormal combustion in the cylinder as basic information for mainly determining the ignition timing.
-
Detects abnormal combustion in the combustion chamber and inputs it to the PCM as a knocking signal.
Construction
-
Installed on the cylinder block.
-
A piezoelectric element has been adopted as the detecting element for detecting abnormal combustion.
Operation
-
Inputs the signal, which fluctuates according to abnormal combustion, to the PCM.
KS characteristic
Fail-safe
|
DTC No. |
Fail-safe function |
|
P0327:00 |
|
|
P0328:00 |
|
Knock Sensor (Ks) Removal/Installation
1. Disconnect the negative battery cable..
2. Remove the plug hole plate..
3. Remove the intake manifold..
4. Disconnect the KS connector.
5. Remove the KS..
6. Install in the reverse or ...
Manifold Absolute Pressure (Map) Sensor/Intake Air Temperature (Iat) Sensor
No.2 Removal/Installation
NOTE:
Because the IAT sensor No.2 is integrated in the MAP sensor, replacing the
IAT sensor No.2 includes replacement of the MAP sensor/IAT sensor No.2.
1. Disconnect the negative bat ...
Other materials:
Cooling System Service Warnings
WARNING:
Never remove the cooling system cap or loosen the radiator drain plug while
the engine is running, or when the engine and radiator are hot. Scalding engine
coolant and steam may shoot out and cause serious injury. It may also damage
the engine and cooling system.
Tu ...
Coolant Reserve Tank Removal/Installation
1. Remove in the order indicated in the table.
2. Install in the reverse order of removal.
1
Wiring harness
2
Hose
3
Coolant reserve tank
(See Coolant Reserve Tank Removal Note.)
Coolant Reserve Ta ...
Hydraulic Lash Adjuster, Rocker Arm
Purpose, Function
HLA
The HLA maintains the valve clearance at a constant 0 mm and maintenance-free
valve clearance is realized.
Rocker arm
With the adoption of the needle roller bearing built into the rocker arm,
the contact to the cam employs rolling contact to reduce sl ...
