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:

Immobilizer System
The immobilizer system allows the engine to start only with a key the system recognizes. If someone attempts to start the engine with an unrecognized key, the engine will not start, thereby helping to prevent vehicle theft. If you have a problem with the immobilizer system or the key, co ...

Precaution [Dynamic Stability Control (DSC)]
1. The ABS warning light and/or brake system warning light and/or DSC indicator light and/or DSC OFF light illuminate even when the system is normal. Warning lights that may illuminate and/or flash Cases in which the light may illuminate Conditions in ...

Intermediate Sensor Removal/Installation [FS5 A EL]
CAUTION: If foreign materials are stuck to the sensor, disturbance by magnetic flux can cause sensor output to be abnormal and thereby negatively affect control. Make sure that foreign materials such as iron filings are not stuck to the sensor during installation. 1. Perform t ...