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ADP-124 < 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. 3. CHECK LIFTING SENSOR (FRONT) POWER SUPPLY 1. Connect driver seat control unit. 2. Turn ignition switch ON. 3. Check voltage between lifting motor LH (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. 3. Check continuity between driver seat control unit harness connector and lifting motor LH (front) harness connector. 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-161, "Removal and Installation" NO >> Repair or replace harness. 5. CHECK LIFTING SENSOR (FRONT) GROUND 1. Turn ignition switch OFF. 2. Check continuity between lifting motor LH (front) harness connector and ground. Driver seat control unit Lifting motor LH (front) Continuity Connector Terminal Connector Terminal B209 30 B218 1 Yes Driver seat control unit Ground Continuity Connector Terminal B209 30 No (+) (–) Voltage (V) (Approx.) Lifting motor LH (front) Connector Terminals B218 3 Ground Battery voltage Driver seat control unit Lifting motor LH (front) Continuity Connector Terminal Connector Terminal B209 5 B218 3 Yes Driver seat control unit Ground Continuity Connector Terminal B209 5 No Lifting motor LH (front) Ground Continuity Connector Terminal B218 2 Yes |