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:

Automatic Transaxle Shift Mechanism Removal/Installation
Selector Lever Removal/Installation 1. Disconnect the negative battery cable.. 2. Remove the front console.. 3. Disconnect the selector lever component connector. 4. Remove the selector cable (selector lever side).. 5. Remove the nuts from the selector lever. 6. Remove the knob. ...

Rear Lateral Link Removal/Installation
1. Disconnect the rear stabilizer control link lower side nut.. 2. Remove in the order indicated in the table. 3. Install in the reverse order of removal. 4. Inspect the wheel alignment and adjust it if necessary.. 1 Rear lateral link outer bolt ...

Front Sash Molding Removal
WARNING: Using a utility knife with bare hands can cause injury. Always wear gloves when using a utility knife. 1. Using a utility knife, carefully remove the double-sided adhesive tape in the locations shown below. CAUTION: When removing the double-sided adhesive tape, ...