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:

Tie Rod End Replacement
1. Remove the snap pin. 2. Loosen the tie-rod end locknut. 3. Detach the tie-rod end from the steering knuckle using the SST. 4. Remove the tie-rod end locknut. 5. Place alignment marks as shown in the figure for proper installation. 6. Remove the tie-rod end. 7. Align th ...

Crankshaft Position (CKP) Sensor Removal/Installation
CAUTION: When foreign material such as an iron chip is on the CKP sensor, it can cause abnormal output from the sensor because of flux turbulence and adversely affect the engine control. Be sure there is no foreign material on the CKP sensor when replacing. Do not assemble t ...

Audio Set (Type A)
1 Power/Volume/Sound Controls 2 Operating the Radio 3 Operating the Compact Disc (CD) Player 4 How to use auxiliary jack/USB port 5 Error Indications Power/Volume/Sound Controls Power ON/OFF Switch the ignition to ACC or ON. Press the power/volume dial to turn the audio system on. Pre ...