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Home >> Toyota >> 1996 >> Tercel Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Tests W/Codes >> Circuit Tests >> DTC P0500 - Vehicle Speed Sensor Malfunction >> Diagnosis & Repair
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Diagnosis & Repair

  1. Test drive vehicle and check operation of speedometer. If speedometer is not functioning correctly, see INSTRUMENT PANELS article. If speedometer is functioning correctly, go to next step.
  2. Access ECM behind glove box. Ensure ignition is off. Ensure shift lever is in Neutral. Lift and support front of vehicle. Turn ignition on.
  3. Using DVOM, backprobe ECM connector. Measure voltage between ground and terminal No. 13 (Yellow wire) at ECM E6 connector while slowly rotating front wheel. See Figure. DVOM should indicate a pulse voltage from zero to 4.5-5.5 volts.
  4. If voltage is as specified, replace ECM and retest. If voltage is not as specified, check for an open circuit in wiring harness between instrument cluster and ECM. See appropriate wiring diagram in WIRING DIAGRAMS article. Repair as necessary.
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