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TROUBLE DIAGNOSIS FOR SYMPTOMS WT-41 C D F G H I J K L M A B WT 2. CHECK HARNESS BETWEEN LOW TIRE PRESSURE WARNING CONTROL UNIT AND COMBINA- TION METER 1. Turn ignition switch “OFF”. 2. Disconnect combination meter harness connector and low tire pressure warning control unit harness con- 3. Check continuity between low tire pressure warning control unit OK or NG OK >> GO TO 3. NG >> Repair short to ground in harness or connector. 3. CHECK LOW TIRE PRESSURE WARNING LAMP 1. Turn ignition switch “OFF”. 2. Connect combination meter harness connector. 3. Disconnect low tire pressure warning control unit harness connector. 4. Turn ignition switch “ON”. (Do not start engine.) Does low tire pressure warning lamps turn ON? OK >> GO TO 4. NG >> Replace combination meter. Refer to DI-24, "Disassembly and Assembly for Combination Meter" 4. CHECK LOW TIRE PRESSURE WARNING CONTROL UNIT Check low tire pressure warning control unit input/output signal. Refer to WT-17, "Low Tire Pressure Warning Control Unit Input/Output Signal Reference Values" OK or NG OK >> GO TO 5. NG >> Check low tire pressure warning control unit pin terminals for damage or loose connection with harness connector. If any items are damaged, repair or replace damaged parts. 5. CHECK SYMPTOM Check again. OK >> INSPECTION END NG >> Replace low tire pressure warning control unit. Refer to WT-49, "Removal and Installation" Continuity should no exist. SEIA0751E |