VEHICLE SPEED SENSOR (VSS) INSPECTION [S15M-D, S15MX-D]

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1.  Remove the VSS. (See VEHICLE SPEED SENSOR (VSS) REMOVAL/INSTALLATION [S15M-D, S15MX-D].)

2.  Measure voltage between terminals of the VSS while the gear is turning.

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Vehicle speed sensor (VSS) voltage [S15M-D]
5 V or less
•  If the voltage is within the specification, the VSS is normal. Repair the related wiring harness.
•  If the voltage is not within the specification (tester needle does not move), replace the VSS.

3.  Install the VSS. (See VEHICLE SPEED SENSOR (VSS) REMOVAL/INSTALLATION [S15M-D, S15MX-D].)