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SN-42 < DTC/CIRCUIT DIAGNOSIS > [WITHOUT PARKING SPACE MEASUREMENT] B272C CORNER SENSOR [FR] B272C CORNER SENSOR [FR] DTC Logic INFOID:0000000010435939 DTC DETECTION LOGIC Diagnosis Procedure INFOID:0000000010435940 Regarding Wiring Diagram information, refer to 1. CHECK FRONT SONAR CORNER SENSOR RH CIRCUIT CONTINUITY 1. Turn ignition switch OFF. 2. Disconnect sonar control unit connector and front sonar corner sensor RH connector. 3. Check continuity between sonar control unit connector M59 and front sonar corner sensor RH 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 FRONT SONAR CORNER SENSOR RH 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 front sonar corner sensor RH. Refer to SN-48, "FRONT SENSOR : Exploded View" . NO >> Repair or replace harness or connectors. CONSULT Display DTC Detection Condition Possible Cause FRONT RIGHT SIDE EX- • Sensor is not configured. • Sensor configuration. Sonar control unit Front sonar sensor RH Continuity Connector Terminal Connector Terminal M59 4 E124 2 Yes 13 1 Sonar control unit Ground Continuity Connector Terminal M59 4 — No Sonar control unit Ground Voltage (Approx.) Connector Terminal M59 4 — 0V |