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:

Refrigerant Line Removal/Installation
1. Disconnect the negative battery cable.. 2. Discharge the refrigerant.. 3. Disconnect the engine ground. 4. Disconnect the refrigerant pressure sensor connector. 5. Remove in the order indicated in the table. Do not allow compressor oil to spill. CAUTION: If moisture or for ...

Power Window Main Switch
Purpose Remote control of door glass open/close and power outer mirror adjustment are possible with occupant seated in the cabin. Function Power window main switch Manual When the power window main switch is operated for manual open/close operation, it sends ...

Rear ABS Wheel Speed Sensor Removal/Installation
1. Remove the trunk board.. 2. Remove the trunk end trim.. 3. Remove the rear scuff plate.. 4. Remove the trunk side trim.. 5. Disconnect the rear ABS wheel-speed sensor connector. 6. Press the rear ABS wheel-speed sensor tabs and press out the sensor toward the outside of the vehicl ...