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Home >> Lexus >> 2001 >> LS 430 >> Repair and Diagnosis >> Electrical >> Gauges >> Instrument Panels >> System Tests >> Speedometer Circuit

Speedometer Circuit

NOTE: If Lexus hand-held tester is not available, begin testing with step 2).
  1. Connect Lexus hand-held tester to Data Link Connector No. 3 (DLC3). With tester in ACTIVE TEST mode, operate speedometer. If speedometer needle moves as commanded by tester, perform next check listed in appropriate symptom diagnosis table. See TROUBLE SHOOTING . If speedometer needle does not move as commanded by tester, go to next step.
  2. Check speedometer. See SPEEDOMETER  under COMPONENT TESTS. Repair as necessary. If speedometer is okay, go to next step.
  3. Check combination meter 22-pin connector at circuit plate. See Figure. See INSTRUMENT CLUSTER CIRCUIT PLATE  under COMPONENT TESTS. Repair as necessary. If voltages are to specification, replace instrument cluster.
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