Mazda 3 manuals

Mazda 3 Service Manual: Vehicle Speed Sensor (VSS) Inspection [FS5 A EL]

Mazda 3 Service Manual / Drivetrain / Sensors, Switches, Relays / Vehicle Speed Sensor (VSS) Inspection [FS5 A EL]

On-Vehicle Inspection

1. Inspect the power supply circuit for the VSS.

a. Remove the insulator from the transaxle.


b. Disconnect the VSS connector.


c. Switch the ignition to ON (engine off).

d. Measure the voltage at VSS connector terminal A (harness-side).


e. Switch the ignition to off.

f. Connect the VSS connector.

2. Inspect the GND circuit for the VSS.

a. Switch the ignition to off.

b. Measure the voltage at VSS connector terminal C (harness-side).


3. Inspect the signal circuit for the VSS.

a. Connect the oscilloscope to the following TCM connector terminals and set it as below.

b. Start the engine.

c. Measure the wave form when the following conditions are met.


Sensors, Switches, Relays
...

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 ...

Other materials:

Antenna Feeder No.5 Inspection
1. Disconnect the negative battery cable.. 2. Remove the following parts: a. Front scuff plate (RH). b. Front side trim (RH). c. Rear seat cushion. d. Rear scuff plate (RH). e. Tire house trim (RH). 3. Disconnect the antenna feeder No.4. 4. Disconnect the antenna feeder No.3. ...

Dashboard Removal/Installation
1. Set the air intake mode to FRESH. 2. Set the air mix mode to MAX COLD. 3. Disconnect the negative battery cable.. 4. Remove the following parts: a. Front doors. b. Front scuff plate. c. Front side trim. d. Dashboard under cover. e. Glove compartment. f. Upper panel. g. Shift l ...

Accelerator Pedal Position (App) Sensor Inspection [Mzr 2.0, Mzr 2.5]
Voltage Inspection NOTE: Because the APP sensor is integrated in the accelerator pedal, replacing the APP sensor includes replacement of the accelerator pedal. 1. Connect the M-MDS to the DLC–2. 2. Switch the ignition to ON. 3. Verify that the APP sensor output voltage (PID ...

© 2016-2022 Copyright www.mazda3tech.com