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:

Engine Coolant Leakage Inspection [Mzr 2.0, Mzr 2.5]
WARNING: Never remove the cooling system cap or loosen the radiator drain plug while the engine is running, or when the engine and radiator are hot. Scalding engine coolant and steam may shoot out and cause serious injury. It may also damage the engine and cooling system. Tu ...

Intake Manifold Vacuum Inspection [Mzr 2.0, Mzr 2.5]
1. Disconnect the evaporative hose (purge solenoid valve side) and install the vacuum gauge.. 2. Verify that the intake air hoses are installed securely. 3. Warm up the engine. 4. Measure the intake manifold vacuum while idling (no load) using the vacuum gauge. If not within the sp ...

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 resistance according to the standard (reference value) in the table below. Standard (reference) ...