Mazda CX-5 Service & Repair Manual: Knock Sensor (Ks)

Mazda CX-5 Service & Repair Manual / Engine / Control / 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	Sets the knocking spark retard correction value of the ignition control to the fixed value.
P0328:00	Sets the knocking spark retard correction value of the ignition control to the fixed value.

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:

Moonroof
The moonroof can be opened or closed electrically only when the ignition is switched ON. WARNING Do not let passengers stand up or extend part of the body through the open moonroof while the vehicle is moving: Extending the head, arms, or other parts of the body through the moonroof is da ...

Light Switch Removal/Installation
NOTE: When removing the light switch, it is necessary to rotate the steering wheel. If the ignition is switched off from ON (engine on) with the driver's door closed, the steering wheel is locked. Therefore, perform the procedure in Steps 1 to 3 so that the steering wheel is not ...

Front Fog Lights Indicator Light
Purpose Notifies the user that the front fog lights are illuminated. Function Illuminates when the front fog light illumination conditions are met. Construction Displayed in the instrument cluster. Operation 1. With the light switch in the TNS, HEAD, or ...