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:

Liftgate Hinge Removal/Installation
1. Disconnect the negative battery cable.. 2. Remove the following parts: a. Rear scuff plate. b. Trunk end trim. c. Trunk side trim. d. C-pillar trim. e. D-pillar trim. f. Liftgate. 3. Remove fasteners. 4. While partially peeling back the rear part of the headliner, remove nut ...

On/Off Solenoid Removal/Installation [Fw6 A EL, Fw6 Ax EL]
WARNING: A hot transaxle and ATF can cause severe burns. Turn off the engine and wait until they are cool. Always wear protective eye wear when using the air compressor. If the air compressor is used, any particles of dirt or soiling could spatter and get into the eyes. ...

Propeller Shaft On Vehicle Inspection
Joint Area Excessive Play Inspection 1. Shake the universal joint by hand and verify that there is no excessive play. 2. If there is any excessive play, replace the propeller shaft.. Propeller Shaft Runout Inspection CAUTION: Do not rotate the propeller shaft using engine force wh ...