Mazda 3 Service Manual: Sensors, Switches, Relays

Parking Brake Switch Inspection

1. Remove the upper panel.. 2. Disconnect the parking brake switch connector. 3. Verify that the continuity is as indicated in the table. If not as indicated in the table, replace the ...

Brake Fluid Level Sensor Inspection

1. Disconnect the brake fluid level sensor connector from the master cylinder. 2. Inspect for continuity according to fluid level between the brake fluid level sensor terminals. If no ...

Other materials:

Crankshaft Position (CKP) Sensor Inspection [Mzr 2.0, Mzr 2.5]
Visual Inspection CAUTION: When foreign material such as an iron chip is on the CKP sensor, it can cause abnormal output from the sensor because of flux turbulence and adversely affect the engine control. Be sure there is no foreign material on the CKP sensor when replacing. ...

Light Switch Inspection
Vehicles Without Auto Light System 1. Disconnect the negative battery cable.. 2. Remove the column cover.. 3. Remove the light switch.. 4. Verify that the continuity between the light switch terminals is as indicated in the table. If not as indicated in the table, replace the light ...

Operating the Radio
Radio ON Press a band selector button ( ) to turn the radio on. Band selection Successively pressing the band selector button ( ) switches the bands as follows: FM1→FM2→AM. The selected mode will be indicated. NOTE If the FM broadcast signal becomes weak, reception auto ...