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:

Quick Release Connector (Emission System) Removal/Installation
Quick Release Connector Type and Position CAUTION: Verify the type and location, and install/remove properly. U.S.A. and CANADA Except U.S.A. and CANADA Type A Removal CAUTION: Be careful not to damage the evaporative pipe when unlocking the retainer. NOTE: ...

Passenger Side Air Bag Module Removal/Installation [Two Step Deployment Control System]
WARNING: Handling the air bag module improperly can accidentally deploy the air bag module, which may seriously injure you. Read the air bag system service warnings and cautions before handling the air bag module.. Due to the adoption of 2-step deployment control in the passeng ...

Oil Seal (Side Gear) Replacement
1. Remove the drain plug and the drain differential oil into a container. 2. Install a new washer and the drain plug, and tighten. 3. Remove the rear drive shaft.. 4. Remove the clip from the drive shaft. CAUTION: Wrap the end of a screwdriver with cloth to prevent scratches to the i ...