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WT-50 < SYMPTOM DIAGNOSIS > [WITH TPMS] LOW TIRE PRESSURE WARNING LAMP DOES NOT TURN OFF LOW TIRE PRESSURE WARNING LAMP DOES NOT TURN OFF Description INFOID:0000000010339555 The low tire pressure warning lamp does not turn OFF after several seconds is passed after engine starts. Diagnosis Procedure INFOID:0000000010339556 1. CHECK TIRE PRESSURE 1. Turn the ignition switch ON. CAUTION: Never start the engine. 2. Check the tire pressure for all wheels and adjust to the specified value. Refer to . 3. Perform TPMS temperature calibration. Refer to WT-14, "TPMS temperature calibration" . 4. Recheck the tire pressure for all wheels. Refer to . Is the inspection result normal? YES >> GO TO 2. NO >> Inspect or repair the tires or wheels. 2. CHECK LOW TIRE PRESSURE WARNING LAMP OPERATION Check that the low tire pressure warning lamp is turned OFF after turns ON for approximately 1 second, when Is the inspection result normal? YES >> INSPECTION END NO >> GO TO 3. 3. PERFORM SELF-DIAGNOSIS With CONSULT Perform self-diagnosis for “AIR PRESSURE MONITOR”. Is DTC detected? YES >> Perform DTC diagnosis procedure. Refer to NO >> GO TO 4. 4. CHECK BCM POWER SUPPLY AND GROUND CIRCUIT Perform the trouble diagnosis for power supply and ground circuit. Refer to BCS-125, "Diagnosis Procedure" . Is the inspection result normal? YES >> Replace BCM. Refer to BCS-132, "Removal and Installation" . NO >> Repair or replace error-detected parts. |