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Home >> Toyota >> 2002 >> RAV4 Base, AWD, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 11 (Engine Control System Self-Diagnostics) >> 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 MR2. 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. Turn ignition off. Access ECM on driver's side of firewall behind driver's seat, luggage compartment lids and partition board. See Figure. Disconnect ECM harness connector E3. Measure resistance between ground and terminal No. 23 (Violet/White wire) at ECM harness connector E3. See Figure. If resistance is one megaohm or greater, go to next step. If resistance is less than one megaohm, repair short in wiring between instrument cluster and ECM. See WIRING DIAGRAMS article.
  3. Turn ignition on. Measure voltage between ground and terminal No. 23 (Violet/White wire) at ECM harness connector E3. If 9-14 volts exists, replace ECM. If 9-14 volts does not exist, repair open in wiring between instrument cluster and ECM. See WIRING DIAGRAMS article.
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