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 Charging
CAUTION: Do not use a different type of refrigerant or charge beyond the specified level. Otherwise, cooling ability will be lowered and the A/C compressor could be damaged. Charging Recycled HFC-134a Refrigerant 1. Connect an HFC-134a recovery/recycling/recharging device to the ...

Tie Rod Inspection
1. Inspect for bending and damage. If there is any malfunction, replace the tie rod. 2. Inspect for excessive play. If there is any malfunction, replace the tie rod. 3. Swing the tie rod five times. 4. Measure the swing torque of the tie rod using a pull scale. ...

Antenna Feeder No.3 Inspection
1. Disconnect the negative battery cable.. 2. Remove the following parts: a. Front scuff plate. b. Rear scuff plate. c. B-pillar lower trim. d. Front seat belt adjusting cover. e. Front seat belt upper anchor installation bolt. f. B-pillar upper trim. g. Rear seat cushion. h. Trunk ...