Visual Inspection
1. Remove the VSS. (See VEHICLE SPEEDOMETER SENSOR (VSS) REMOVAL/INSTALLATION.)
2. Make sure that the sensor is free of any metallic shavings or particles.
3. Install the VSS. (See VEHICLE SPEEDOMETER SENSOR (VSS) REMOVAL/INSTALLATION.)
Wave profile Inspection
1. Remove the PCM. (See PCM REMOVAL/INSTALLATION.)
2. Connect WDS or equivalent to DLC connector.
3. Connect osilloscope test leads to the following PCM connector terminals.
4. Start the engine.
5. Monitor VSS PID.
6. Inspect wave profile.
- If wave profile or voltage are out of specifications, carry out the Open Circuit Inspection or Short Circuit Inspection
Power Supply Voltage Inspection
1. Disconnect the VSS connector.
2. Turn the ignition switch to ON.
3. Measure voltage at VSS connector terminal B (wiring harness side).
Specification
4.5-5.5 V
Open Circuit Inspection
Inspect the following circuit for open.
Short Circuit Inspection
Inspect the following circuit for short.
Sensor Rotor Inspection
1. Remove the VSS. (See VEHICLE SPEEDOMETER SENSOR (VSS) REMOVAL/INSTALLATION.)
2. Shift the selector lever to N position.
3. Inspect sensor rotor surface via VSS installation hole while rotating the front tire manually.
(1) Is sensor rotor free of damage and cracks?
(2) Is sensor rotor free of any metallic shavings or particles?
- If sensor rotor is okay, replace the VSS.
- If there is a problem, clean or replace the sensor rotor.
Mazda 6 Service Manual: Washer Fluid
Inspecting Washer Fluid Level
WARNING
Use only windshield washer fluid or plain water in the reservoir:
Using radiator antifreeze as washer fluid is dangerous. If sprayed on the windshield,
it will dirty the windshield, affect your visibility, and could result in an accident.
Using Washer Flu ...
Mazda 6 Service Manual: Recommendations for Shifting
Upshifting
For normal acceleration, Mazda recommends these shift points:
For cruising, Mazda recommends these shift points:
Downshifting
When you must slow down in heavy traffic or on a steep upgrade,
downshift before the engine starts to overwork. This reduces the chance of stalling
and ...