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ADP-88 < DTC/CIRCUIT DIAGNOSIS > LIFTING SENSOR (FRONT) 4. Check continuity between driver seat control unit harness connector and ground. Is the inspection result normal? YES >> GO TO 3. NO >> Repair or replace harness or connector. 3. CHECK LIFTING SENSOR (FRONT) POWER SUPPLY 1. Connect driver seat control unit connector. 2. Turn ignition switch ON. 3. Check voltage between lifting motor (front) harness connector and ground. Is the inspection result normal? YES >> GO TO 5. NO >> GO TO 4. 4. CHECK LIFTING SENSOR (FRONT) POWER SUPPLY CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect driver seat control unit connector. 3. Check continuity between driver seat control unit harness connector and lifting motor (front) harness con- 4. Check continuity between driver seat control unit harness connector and ground. Is the inspection result normal? YES >> Replace driver seat control unit. Refer to ADP-210, "Removal and Installation" NO >> Repair or replace harness or connector. 5. CHECK LIFTING SENSOR (FRONT) GROUND 1. Turn ignition switch OFF. 2. Check continuity between lifting motor (front) harness connector and ground. Is the inspection result normal? Driver seat control unit Lifting motor (front) Continuity Connector Terminal Connector Terminal B452 22 B455 22 Existed Driver seat control unit Ground Continuity Connector Terminal B452 22 Not existed (+) (–) Voltage (V) (Approx.) Lifting motor (front) Connector Terminals B455 33 Ground Battery voltage Driver seat control unit Lifting motor (front) Continuity Connector Terminal Connector Terminal B452 33 B455 33 Existed Driver seat control unit Ground Continuity Connector Terminal B452 33 Not existed Lifting motor (front) Ground Continuity Connector Terminal B455 48 Existed |