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C1728 RECEIVER ID WT-27 < DTC/CIRCUIT DIAGNOSIS > C D F G H I J K L M A B WT N O P Is the inspection result normal? YES >> INSPECTION END NO >> GO TO 2. 2. CHECK TIRE PRESSURE RECEIVER POWER SUPPLY CIRCUIT 1. Disconnect the tire pressure receiver harness connector. 2. Check the voltage between the tire pressure receiver harness connector and ground. Is the inspection result normal? YES >> GO TO 3. NO >> Repair or replace the malfunctioning harness or connector. 3. CHECK TIRE PRESSURE RECEIVER GROUND CIRCUIT 1. Disconnect the low tire pressure warning control unit harness connector. 2. Check the continuity between the low tire pressure warning control unit harness connector and tire pres- Is the inspection result normal? YES >> GO TO 4. NO >> Repair or replace the malfunctioning harness or connector. 4. CHECK LOW TIRE PRESSURE WARNING CONTROL UNIT CIRCUIT Check the low tire pressure warning control unit circuit. Refer to . Connector Terminal — Standard M96 3 Ground Stand by status (Approx. 4.5 V) 4 5 6 Connector Terminal — Standard M96 3 Ground When signal is re- ceived (Approx. 4.5 V) 4 5 6 OCC3879D OCC3880D Tire pressure receiver — Voltage Connector Terminal E53 (Front LH) 1 Ground 7 - 16 V E19 (Front RH) B43 (Rear LH) B251 (Rear RH) Low tire pressure warning control unit Tire pressure receiver Continuity Connector Terminal Connector Terminal M96 26 E53 (Front LH) 4 Existed 25 E19 (Front RH) 24 B43 (Rear LH) 23 B251 (Rear RH) |