Combination Meter - Diagnostics: Other Lexus GS III

When not using hand-held tester

1. Check ENGINE TROUBLESHOOTING, refer to DTC P0500: For 2JZ-GE, see «DTC P0500, P0503: VEHICLE SPEED SENSOR "A", VEHICLE SPEED SENSOR "A" INTERMITTENT/ERRATIC/HIGH»(ref-229350-S38145939182006041400000) . For 3UZ-FE, see «DTC P0500, P0503: VEHICLE SPEED SENSOR "A", VEHICLE SPEED SENSOR "A" INTERMITTENT/ERRATIC/HIGH»(ref-229176-S31406094092006042000000) . OK: Replace combination meter. NG: Go to next step.
2. Check harness and connector between combination meter and ABS ECU (See «HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE»(ref-229346-S26338991582006041400000) ). NG: Repair or replace harness or connector. OK: Check speed sensor circuit and ABS ECU. (See «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-229352-S26297043522006041400000) )