Mazda 6 manuals

Mazda 6 Service Manual: Vehicle speedometer sensor (vss) inspection

Mazda 6 Service Manual / Automatic transaxle / Automatic transaxle / Vehicle speedometer sensor (vss) inspection

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.
Input/turbine speed sensor removal/installation
1. Disconnect the negative battery cable. 2. Remove the battery and battery tray. 3. Remove the air cleaner component. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION.) 4. Disconnect the input/turbin ...

Vehicle speedometer sensor (vss) removal/installation
Caution Water or foreign objects entering the connector can cause a poor connection or corrosion. Be sure not to drop water or foreign objects on the connector when disconnecting it. If fo ...

Other materials:

Mazda 6 Service Manual: New standards
Following is a comparison of the previous standard and the new standard. #1 : Diagnostic trouble codes depend on the diagnostic test mode #2 : Controlled by the PCM #3 : In some models, there is a fuel pump relay that controls pump speed. That relay is now called the fuel pump relay (s ...

Mazda 6 Service Manual: To Decrease Cruising Speed
Press the SET/ switch and hold it. The vehicle will gradually slow. Release the switch at the desired speed. Press the SET/ switch and release it immediately to adjust the preset speed. Multiple operations will decrease the preset speed according to the number of times it is operated. Decr ...

© 2016-2021 Copyright www.mazda6info.net