Mazda 3 manuals

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

Mazda 3 Service Manual / Drivetrain / Transmission/Transaxle / Automatic Transmission Control / 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.


Passenger Compartment Temperature Sensor Removal/Installation [Full Auto Air Conditioner]
1. Disconnect the negative battery cable.. 2. Remove the following parts: a. Front scuff plate. b. Front side trim. c. Dashboard under cover. d. Upper panel. e. Shift lever knob (MTX). f ...

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:

Sunlight/Temperature Sensor
The climate control system measures inside and outside temperatures, and sunlight. It then sets temperatures inside the passenger compartment accordingly. CAUTION Do not obstruct either sensor, otherwise the climate control system will not operate properly. ...

Passenger Compartment Temperature Sensor Removal/Installation [Full Auto Air Conditioner]
1. Disconnect the negative battery cable.. 2. Remove the following parts: a. Front scuff plate. b. Front side trim. c. Dashboard under cover. d. Upper panel. e. Shift lever knob (MTX). f. Selector lever knob (ATX). g. Shift panel. h. Side wall. i. Console. j. Hood release lever ...

Condenser Inspection
1. Inspect the condenser for cracks, damage, and oil leakage. If there is any malfunction, replace the condenser. 2. Visually inspect the fins for clogging of foreign material. If any fins are clogged, remove the foreign material. 3. Visually inspect for bent fins. ...

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