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Home >> Toyota >> 2004 >> Matrix Base, FWD, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 15 (Engine Control System Self-Diagnostics - 4-Cylinder) >> Diagnostic Tests >> DTC P0500: Vehicle Speed Sensor Circuit >> Diagnosis & Repair
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Diagnosis & Repair

WARNING: This page is about a different car, the 2002 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
  1. Test drive vehicle and check operation of speedometer. If speedometer is operating correctly, go to next step. If speedometer is not operating correctly, repair speedometer as necessary. See appropriate INSTRUMENT PANELS article in ACCESSORIES & EQUIPMENT.
  2. Access ECM behind glove box. See Figure. Ensure ignition is off. Measure resistance between ground and terminal No. 22 (White/Red wire) at ECM harness connector E6. See Figure. If resistance is more than one megohm, go to next step. If resistance is one megohm or less, locate and repair short to ground.
  3. Turn ignition on. Raise and support vehicle. Measure voltage between ground and terminal No. 22 (White/Red wire) at ECM harness connector E6. Slowly rotate drive wheel. If voltage fluctuates between zero and 5 volts, replace ECM. If voltage does not fluctuate between zero and 5 volts, repair open in wiring between instrument cluster and ECM. See WIRING DIAGRAMS article.
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