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:

PID/Data Monitor Inspection [Standard Deployment Control System]
1. Connect the M-MDS to the DLC?2. 2. After the vehicle is identified, select the following items from the initialization screen of the M-MDS. a. Select “DataLogger”. b. Select “Modules”. c. Select “RCM”. 3. Select the applicable PID from the PID table. 4. Verify the PID da ...

Front Brake (Disc) Removal/Installation
1. Remove in the order indicated in the table. 2. Install in the reverse order of removal. 3. After installation, add brake fluid, bleed the air, and inspect for fluid leakage.. 4. Depress the brake pedal a few times, rotate the wheel by hand, and verify that the brake does not drag. ...

Magnetic Clutch Disassembly/Assembly [Manual Air Conditioner]
1. Disassemble in the order indicated in the table. 1 Bolt (See Bolt Removal/Installation Note.) 2 Pressure plate 3 Shim (See Shim Installation Note.) 4 Snap ring (See Snap Ring ...