Mazda 3 Service Manual: Sensors, Switches, Relays

Rear ABS Wheel Speed Sensor Removal/Installation

1. Remove the under cover.. 2. Remove in the order indicated in the table. 3. Install in the reverse order of removal. 1 Connector 2 Bolt ...

ABS HU/CM Inspection

1. Disconnect the ABS HU/CM connector.. 2. Connect the negative battery cable.. 3. Attach the tester lead to the ABS HU/CM wiring harness-side connector and inspect the voltage, continuity, or r ...

Other materials:

Throttle Body Inspection [Mzr 2.0, Mzr 2.5]
Resistance Inspection 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Disconnect the throttle body connector. 4. Measure the resistance between throttle body terminals E and F. Throttle body resistance 0.3—100 ohms [20°C {68 °F}] If not as ...

Oil Control Valve (OCV) Inspection [Mzr 2.0, Mzr 2.5]
Coil Resistance Inspection 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Remove the plug hole plate.. 4. Disconnect the OCV connector. 5. Measure the resistance between terminals A and B using an ohmmeter. OCV coil resistance 6.9—7.9 ohms [20°C {6 ...

A/C Unit Removal/Installation
1. Set the air mix mode to MAX COLD. 2. Disconnect the negative battery cable.. 3. Discharge the refrigerant.. 4. Drain the engine coolant.. 5. Remove the plug hole plate. 6. Remove the charge air cooler cover. (MZR 2.3 DISI Turbo). 7. Remove the insulator. (MZR 2.3 DISI Turbo) 8. ...