Mazda 3 Service Manual: Sensors, Switches, Relays

Variable Swirl Shutter Valve Switch Inspection [Mzr 2.3 Disi Turbo]

Voltage Inspection NOTE: The variable swirl shutter valve switch cannot be removed as a single unit. When replacing the variable swirl shutter valve switch, replace it together with the ...

Accelerator Pedal Position (App) Sensor Inspection [Mzr 2.0, Mzr 2.5]

Voltage Inspection NOTE: Because the APP sensor is integrated in the accelerator pedal, replacing the APP sensor includes replacement of the accelerator pedal. 1. Connect the M-MDS t ...

Other materials:

Clutch Pedal Position (CPP) Switch Inspection [Mzr 2.0, Mzr 2.5]
Continuity Inspection 1. Verify that the CPP switch is installed properly.. 2. Remove the battery cover.. 3. Disconnect the negative battery cable.. 4. Disconnect the CPP switch connector.. 5. Verify that the continuity between CPP switch terminals A and B when the clutch pedal is depress ...

Camshaft Position (CMP) Sensor Removal/Installation [Mzr 2.0, Mzr 2.5]
CAUTION: When replacing the CMP sensor, make sure there is no foreign material on it such as metal shavings. If it is installed with foreign material, the sensor output signal will malfunction resulting from fluctuation in magnetic flux and cause a deterioration in engine control. ...

Knock Sensor (Ks) Inspection [Mzr 2.0, Mzr 2.5]
Resistance Inspection 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Disconnect the KS connector. 4. Measure the resistance between KS terminals A and B. If not as specified, replace the KS.. Specification Approx. 4.87 megohms [normal tem ...