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C1728 RECEIVER ID WT-39 < DTC/CIRCUIT DIAGNOSIS > C D F G H I J K L M A B WT N O P C1728 RECEIVER ID DTC Logic INFOID:0000000006225514 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1. PERFORM DTC CONFIRMATION With CONSULT-III 1. Drive for 3 minutes at a speed of 40 km/h (25 MPH) or more, then drive normally for 10 minutes. 2. Stop the vehicle. 3. Perform self-diagnosis for “AIR PRESSURE MONITOR”. Is DTC “C1728” detected? YES >> Proceed to . NO >> INSPECTION END Diagnosis Procedure INFOID:0000000006225515 1. CHECK TIRE PRESSURE RECEIVER INPUT SIGNAL 1. Turn the ignition switch ON. CAUTION: Never start engine. 2. Use an oscilloscope and check the input signal waveform between the low tire pressure warning control STANDBY STATUS WHEN SIGNAL IS RECEIVED Is the inspection result normal? DTC Display Item Malfunction detected condition Possible causes C1728 RECEIVER ID NO REG Receiver ID registration cannot be performed. • Tire pressure receiver malfunc- tion • Low tire pressure warning con- trol unit malfunction Low tire pressure warning control unit — Value (Approx.) Connector Terminal M96 3 Ground Approx. 4.5 V 4 5 6 Low tire pressure warning control unit — Value (Approx.) Connector Terminal M96 3 Ground Approx. 4.5 V 4 5 6 OCC3879D OCC3880D |