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WT-14 < SYSTEM DESCRIPTION > DIAGNOSIS SYSTEM (BCM) • Register TPMS transmitter IDs SELF DIAGNOSTIC PROCEDURE (WITHOUT CONSULT) 1. Turn ignition switch ON. 2. Ground the tire pressure warning check connector to initiate self diagnosis. 3. Compare the flashing pattern with the flash code chart below. NOTE: The system is normal when the low tire pressure warning lamp flashes 5 times and continues repeating. Self- diagnosis results are erased automatically by turning the ignition switch “OFF”. Flash Code Malfunction part Reference page 15 Tire pressure dropped below specified value. Refer to — 21 Transmitter no data (FL) 31 Transmitter checksum error (FL) 35 Transmitter pressure data error (FL) 41 Transmitter function code error (FL) 45 Transmitter battery voltage low (FL) 52 Vehicle speed signal 54 Vehicle ignition signal ALEIA0050GB |