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:

Splash Shield Removal/Installation
Front Front splash shield No.1 1. Set the mudguard aside.. 2. Remove fasteners A. 3. Remove the front splash shield No.1. 4. Install in the reverse order of removal. Front splash shield No.2 1. Remove screw B. 2. Remove fasteners C. 3. Remove the front splash shield No.2. 4. ...

Ambient Temperature Sensor [Full Auto Air Conditioner]
Purpose The ambient temperature sensor detects the ambient temperature. Function The ambient temperature sensor converts the detected temperature to an electric signal. Construction A thermistor-type ambient temperature sensor has been adopted. The ambient ...

Floor Covering Removal/Installation
1. Disconnect the negative battery cable.. 2. Remove the following parts: a. Front scuff plate. b. Front side trim. c. Rear scuff plate. d. B-pillar lower trim. e. Rear seat cushion. f. Front seat. g. Lower anchor of the front seat belt (without lap pre-tensioner seat belt). h. La ...