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SN B2721 CENTER SENSOR [RL] SN-33 < DTC/CIRCUIT DIAGNOSIS > [WITHOUT PARKING SPACE MEASUREMENT] C D E F G H I J K L M B A O P B2721 CENTER SENSOR [RL] DTC Logic INFOID:0000000010477982 DTC DETECTION LOGIC Diagnosis Procedure INFOID:0000000010477983 Regarding Wiring Diagram information, refer to 1. CHECK REAR SONAR CENTER SENSOR LH CIRCUIT CONTINUITY 1. Turn ignition switch OFF. 2. Disconnect sonar control unit connector and rear sonar center sensor LH connector. 3. Check continuity between sonar control unit connector M59 and rear sonar center sensor LH connector 4. Check continuity between sonar control unit connector M59 and ground. Is the inspection result normal? YES >> GO TO 2. NO >> Repair or replace harness or connectors. 2. CHECK REAR SONAR CENTER SENSOR LH SIGNAL CIRCUIT SHORT TO BATTERY 1. Turn ignition switch ON. 2. Check voltage between sonar control unit connector M59 and ground. Is the inspection result normal? YES >> Replace rear center sonar sensor LH. Refer to SN-49, "REAR SENSOR : Removal and Installa- . NO >> Repair or replace harness or connectors. CONSULT Display DTC Detection Condition Possible Cause REAR LEFT SIDE INTER- • Sensor is not configured. • Sensor configuration. Sonar control unit Rear sonar sensor LH Continuity Connector Terminal Connector Terminal M59 21 B114 2 Yes 14 1 Sonar control unit Ground Continuity Connector Terminal M59 21 — No Sonar control unit Ground Voltage (Approx.) Connector Terminal M59 21 — 0V |