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WT-56 < SYMPTOM DIAGNOSIS > LOW TIRE PRESSURE WARNING LAMP BLINKS LOW TIRE PRESSURE WARNING LAMP BLINKS Description INFOID:0000000011378270 When the ignition switch is turned ON, the low tire pressure warning lamp blinks. And then 1 minute later, low tire pressure warning lamp turns ON. Diagnosis Procedure INFOID:0000000011378271 1. CHECK TIRE PRESSURE SENSOR INSTALLATION Check visually that tire pressure sensors are installed to each wheel correctly. NOTE: In the following case, tire pressure monitoring system (TPMS) does not function. • Tire pressure sensor(s) are not installed. • Tire pressure sensor(s) of other cars are installed. YES >> GO TO 2. NO >> Replace and/or Install tire pressure sensor(s). Refer to WT-68, "Removal and Installation" . GO TO 3. 2. PERFORM SELF-DIAGNOSIS With CONSULT Perform “Self Diagnostic Result” for “AIR PRESSURE MONITOR”. YES >> Perform DTC diagnosis procedure. Refer to NO >> GO TO 4. 3. TIRE PRESSURE SENSOR ID REGISTRATION Perform tire pressure sensor ID registration. Refer to . Is tire pressure sensor ID registration completed? YES >> Adjust the tire pressure for all wheels specified to the value. Refer to NO >> Perform diagnosis procedure of “ID REGISTRATION CANNOT BE COMPLETED”. Refer to 4. CHECK BCM POWER SUPPLY AND GROUND CIRCUIT Perform the diagnosis for BCM power supply and ground circuit. Refer to (with Intelligent Key system) or WT-50, "WITHOUT INTELLIGENT KEY (without Intelligent Key system). Is the inspection result normal? YES >> Replace BCM. Refer to BCS-75, "Removal and Installation" (with Intelligent Key system) or 135, "Removal and Installation" (without Intelligent Key system). NO >> Repair or replace malfunctioning components. |