1994 Geo Metro XFiFACTORY OEM SERVICE PROCEDURE

Vehicle Speed Sensor

Vehicle speed sensor is mounted in rear of instrument cluster. A malfunction in the vehicle speed sensor circuit will set diagnostic trouble Code 24. For testing procedures, see TESTS W/CODES article in this section. For identification of vehicle speed sensor terminals, see illustrations. See Fig 1 .

Fig 1: Identifying Vehicle Speed Sensor Terminals
G94C45122Courtesy of GENERAL MOTORS CORP.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.