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Test K: Speedometer And/Or Odometer Inaccurate/Inoperative

  1. If instrument panel cluster diagnostic system check has been performed, go to next step. If instrument panel cluster diagnostic system check has not been performed, go to INSTRUMENT PANEL CLUSTER DIAGNOSTIC SYSTEM CHECK  under SELF-DIAGNOSTIC SYSTEM.
  2. Turn ignition switch to OFF position. Connect scan tool to Data Link Connector (DLC). DLC is located under left side of instrument panel. Start engine. Place transaxle in Drive. Using scan tool, observe Vehicle Speed Sensor (VSS) parameter in Powertrain Control Module (PCM) engine data 1 data list. If VSS parameter matches speedometer display, go to next step. If VSS parameter does not match speedometer display, go to step  4.
  3. If speedometer does not operate normally, go to next step. If speedometer operates normally, concern may be intermittent. For aid in diagnosing intermittent problems, see PROBLEM DIAGNOSIS  under INTERMITTENTS.
  4. Replace IPC. See INSTRUMENT PANEL CLUSTER  under REMOVAL & INSTALLATION. After repairs are made, go to next step.
  5. Using scan tool, clear any DTCs set by other modules. Operate vehicle through drive cycle. Check system for normal operation. If system operates normally, test is complete. If system does not operate normally, go to step  2.
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