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MOTOR SENSOR SE-69 < DTC/CIRCUIT DIAGNOSIS > C D E F G H I K L M A B SE N O P Is the inspection result normal? YES >> GO TO 3. NO >> GO TO 2. 2. CHECK MOTOR SENSOR (RH) POWER SUPPLY CIRCUIT 1. Disconnect seatback power return control unit connector. 2. Check continuity between seatback power return control unit harness connector and power return motor 3. Check continuity between seatback power return control unit harness connector and ground. Is the inspection result normal? YES >> Replace seatback power return control unit. Refer to SE-139, "Removal and Installation" NO >> Repair or replace harness. 3. CHECK MOTOR SENSOR (RH) GROUND CIRCUIT 1. Check continuity between seatback power return control unit harness connector and power return motor 2. Check continuity between seatback power return control unit harness connector and ground. Is the inspection result normal? YES >> GO TO 4. NO >> Repair or replace harness. 4. CHECK MOTOR SENSOR (RH) OUTPUT SIGNAL 1. Connect seatback power return control unit connector. 2. Check signal between seatback power return control unit harness connector and ground with an oscillo- (+) (–) Condition Voltage (V) Power return motor assembly (RH) Connector Terminal B494 6 Ground When power return motor (RH) is operated 9 – 16 Seatback power return control unit Power return motor assembly (RH) Continuity Connector Terminal Connector Terminal B487 3 B494 6 Existed Seatback power return control unit Ground Continuity Connector Terminal B487 3 Not existed Seatback power return control unit Power return motor assembly (RH) Continuity Connector Terminal Connector Terminal B487 1 B494 4 Existed Seatback power return control unit Ground Continuity Connector B487 1 Not existed |