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WT-46 < SYMPTOM DIAGNOSIS > LOW TIRE PRESSURE WARNING LAMP BLINKS LOW TIRE PRESSURE WARNING LAMP BLINKS Description INFOID:0000000005576012 DESCRIPTION The low tire pressure warning lamp illuminates or blinks. Blink Mode A • This mode shows transmitter status is in OFF- mode. Perform transmitter wake up operation. Refer to MITTER WAKE UP OPERATION : Special Repair Requirement" . Diagnosis Procedure INFOID:0000000005576013 1. CHECK TIRE PRESSURE WARNING CHECK SWITCH POWER SUPPLY 1. Turn the ignition switch ON. CAUTION: Never start the engine. 2. Check voltage between tire pressure warning check switch connector and ground. Is the inspection result normal? YES >> GO TO 2. NO >> Riper or replace error-detected damaged parts. 2. CHECK TIRE PRESSURE WARNING CHECK SWITCH CIRCUIT 1. Turn the ignition switch OFF. 2. Disconnect BCM harness connector. 3. Check the continuity between BCM harness connector and tire pressure warning check switch connector. 4. Check the continuity between BCM harness connector and ground. Is the inspection result normal? YES >> GO TO 3. NO >> Riper or replace error-detected damaged parts. JPEIC0031GB Tire pressure warning check switch — Voltage (Approx.) Connector Terminal M19 1 Ground 11.8 V BCM Tire pressure warning check switch Continuity Connector Terminal Connector Terminal M123 149 M19 1 Existed BCM — Continuity Connector Terminal M123 149 Ground Not existed |