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:
Intake Air Temperature (Iat) Sensor Inspection
IAT Sensor No.1
Resistance inspection
NOTE:
Because the IAT sensor No.1 is integrated in the MAF sensor, replacing the
IAT sensor No.1 includes replacement of the MAF sensor/IAT sensor No.1.
1. Disconnect the negative battery cable..
2. Disconnect the MAF sensor/IAT sensor No.1 ...
Receiver/Drier Removal/Installation
1. Disconnect the negative battery cable..
2. Discharge the refrigerant..
3. Remove the front under cover No.1..
4. Drain the engine coolant..
5. Remove the following parts:
a. Plug hole plate.
b. Air cleaner, air hose and fresh air duct component.
c. Coolant reserve tank.
d. Cooling ...
Construction Standard Values [Construction Standard Values]
Front view
No.
Measurement part
Standard values (mm {in})
Maximum values (mm {in})
Minimum values (mm {in})
Side by difference (mm {in})
A
1
5.0
{0.20}
7.0
{ ...
