Mazda 3 manuals

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

Mazda 3 Service Manual / Engine / Control / 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.


Knock Sensor (Ks) Removal/Installation [Mzr 2.0, Mzr 2.5]
1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Remove the plug hole plate.. 4. Remove the intake manifold.. 5. Disconnect the KS connector. 6. Remove the KS. ...

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:

Ignition Switch Inspection [Without Advanced Keyless Entry And Push Button Start System]
1. Disconnect the negative battery cable.. 2. Remove the column cover.. 3. Remove the ignition switch.. 4. Verify that the continuity between the ignition switch terminals is as indicated in the table. If not as indicated in the table, replace the ignition switch. ...

Automatic Transaxle Fluid (ATF) Inspection [FS5 A EL]
Automatic Transaxle Fluid (ATF) Condition Inspection 1. One way of determining whether the transaxle should be disassembled is by noting: If the ATF is muddy or varnished. If the ATF smells strange or unusual. ATF Condition Possible cause ...

DSC Off Switch Inspection
1. Remove the DSC OFF switch.. 2. Verify that the continuity between the DSC OFF switch terminals is as indicated in the table. If not as indicated in the table, replace the DSC OFF switch. 3. Apply battery voltage to DSC OFF switch terminal E, and connect terminal A to g ...

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