LEMON Manuals: Even more car manuals for everyone
Home >> Honda >> 1994 >> Civic Si >> Repair and Diagnosis (Single Page) >> Electrical >> Gauges >> Instrument Panel >> Testing >> Speed Sensor Input Test

Speed Sensor Input Test

  1. Check 10-amp fuse No. 24 in dash fuse box. Disconnect 3-pin connector from speed sensor, located on right side of engine.
  2. Use an ohmmeter to check continuity between Black wire and ground. If continuity exists, go to next step. If continuity does not exist, check Black wire for an open circuit. Also check for poor ground.
  3. Turn ignition switch to ON position. Use a voltmeter to check voltage between Yellow/Blue and ground. If battery voltage is present, go to next step. If battery voltage is not present, check Yellow/Blue wire for an open circuit.
  4. With ignition on, check voltage between Yellow/White wire and ground. If voltage is about 5 volts, go to next step. If voltage is not as specified, check Yellow/White wire for an open circuit.
  5. If continuity and voltage checks are okay, but speedometer/odometer/trip meter does not operate properly, replace speed sensor.
scientia non olet · About LEMON Manuals