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:

Oil Seal (Control Valve Body) Replacement [Fw6 A EL, Fw6 Ax EL]
1. Disconnect the negative battery cable.. 2. Remove the air cleaner component.. 3. Disconnect the control valve body connector. CAUTION: Make sure that your hand does not touch the terminal as the connector terminal could be damaged. Water or foreign objects entering th ...

Steering Wheel And Column Inspection
Play inspection 1. With the wheels in the straight-ahead position, start the engine. 2. Turn the steering wheel to the left and right gently, then verify that the steering wheel play is within the specification. Steering wheel play 0вЂ”30 mm {0вЂ”1.1 in} Looseness, Exces ...

Ambient Temperature Display
Purpose The ambient temperature display notifies the user of the ambient temperature. Function The instrument cluster displays the ambient temperature based on the ambient temperature signal sent from the PCM as a CAN signal. The ambient temperature is displayed betwee ...