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:

Auto Dimming Mirror Removal/Installation
1. Disconnect the negative battery cable.. 2. Remove the screw B. 3. Remove the auto-dimming mirror in the direction of arrow (1) shown in the figure. 4. Detach tabs while push the cover No.2 in the direction of the arrow (2) shown in the figure, then remove the cover No.2 in the d ...

Airflow Temperature Control [Full Auto Air Conditioner]
Purpose The airflow temperature control changes the airflow temperature according to the vehicle conditions. Function The air mix actuator is driven and the air mix door position is changed according to the set temperature and the vehicle environment. The climate co ...

Door Trim
Purpose/Function The front and rear door trims are equipped with shock absorbing pads for impulse force relief during a collision. Construction Shock absorbing pads are installed inside the front and rear door trims. Shock absorbing pads absorb the impulse force during ...