Mazda 3 Service Manual: Cooling

Vehicle Speed Sensor (VSS) 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 m ...

Coolant Reserve Tank Removal/Installation [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 ...

Other materials:

Air Fuel Ratio (A/F) Sensor Inspection [Mzr 2.0, Mzr 2.5]
A/F Sensor Inspection 1. Connect the M-MDS to the DLC-2. 2. Switch the ignition to ON. 3. Warm up the engine to normal operating temperature. 4. Access the following PIDs using the M-MDS.. VSS (Vehicle speed) RPM (Engine speed) O2S11 (A/F sensor output current) ...

Hood Latch Switch Inspection
1. Disconnect the negative battery cable.. 2. Remove the hood latch.. 3. Verify that the continuity is as indicated in the table. If not as indicated in the table, replace the hood latch. NOTE: Press the latch lever in using a flathead screwdriver to inspect the c ...

Traction Control System (TCS)
The Traction Control System (TCS) enhances traction and safety by controlling engine torque and braking. When the TCS detects driving wheel slippage, it lowers engine torque and operates the brakes to prevent loss of traction. This means that on a slick surface, the engine adjusts automatic ...