Brake Fluid Level Sensor Inspection (Us)
WARNING: This page is about a different car, the 2021 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
- Disconnect the negative battery terminal.
(See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION (US) .)
- Remove the following parts as a single unit.
(See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION (VIN 7 & VIN L) (US) .) (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION (VIN M) (US) .)
- Air hose
- Air cleaner cover
- Air cleaner element
- Air cleaner case
- Fresh-air duct
- Resonance chamber
- Remove the battery.
(See BATTERY REMOVAL/INSTALLATION (VIN 7 & VIN L) (US) .) (See BATTERY REMOVAL/INSTALLATION (VIN M) (US) .)
- Remove the Battery tray and PCM component.
(See BATTERY REMOVAL/INSTALLATION (VIN 7 & VIN L) (US) .) (See BATTERY REMOVAL/INSTALLATION (VIN M) (US) .) (See PCM REMOVAL/INSTALLATION (VIN 7 & VIN L) (US) .) (See PCM REMOVAL/INSTALLATION (VIN M) (US) .)
- Set the PCM wiring harness out of the way.
- Disconnect the vacuum hose from the clip.
(See VACUUM HOSE REMOVAL/INSTALLATION (VIN 7 & VIN L) (US) .) (See VACUUM HOSE REMOVAL/INSTALLATION (VIN M) (US) .)
- Disconnect the brake fluid level sensor connector.
- Inspect for continuity according to fluid level between the brake fluid level sensor terminals.
- If not as indicated in the table, replace the reserve tank. (See MASTER CYLINDER REMOVAL/INSTALLATION [L.H.D. (US)] .)