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Home >> Mazda >> 2001 >> MPV DX V6-2.5L DOHC >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Vehicle Speed Sensor >> Testing and Inspection >> Component Tests and General Diagnostics >> Vehicle Speed Sensor (VSS)
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Vehicle Speed Sensor (VSS)




1. Measure the #1 PCM terminal voltage and confirm that it is at 0 V or 5 V when the ignition key at ON and the engine at idle.
- If it is at 0 V or 5 V, intermittent concern exists.
- If not, inspect the following points concerning the PCM connector.

- If there is no problem, inspect for the following.
- Female terminal opening is loose.
- Coupler (pin holder) damage
- Pin discoloration (blackness)
- Harness/pin crimp is loose or disconnect

2. Measure the #2 sensor terminal voltage and confirm that it is at 0 V or 5 V when the ignition key at ON and the engine at idle.
- If it is at 0 V or 5 V, intermittent concern exists.
- If not, inspect the following points concerning the sensor connector.

- If there is no problem, inspect for the following.
- Female terminal opening is loose.
- Coupler (pin holder) damage
- Pin discoloration (blackness)
- Harness/pin crimp is loose or disconnected.

3. Confirm that the #3 terminal switch voltage is at 0 V.
- If it is at 0 V, inspect the sensor. If necessary, replace the sensor.
- If necessary, replace the sensor.

- If not, inspect for the following.
- Open circuit in harness
- Female terminal opening is loose.
- Coupler (pin holder) damage
- Pin discoloration (blackness)
- Harness/pin crimp is loose or disconnected.
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