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ADP-60 < DTC/CIRCUIT DIAGNOSIS > POWER SUPPLY AND GROUND CIRCUIT Is the inspection result normal? YES >> GO TO 2. NO >> Check the following. • Harness between driver seat control unit and fuse block (J/B). 2. CHECK GROUND CIRCUIT Check continuity between the driver seat control unit harness connector and ground. Is the inspection result normal? YES >> Driver seat control unit power supply and ground circuit are OK. NO >> Repair or replace harness between driver seat control unit and ground. DRIVER SEAT CONTROL UNIT : Special Repair Requirement INFOID:0000000005249677 1. PERFORM ADDITIONAL SERVICE Perform additional service when removing battery negative terminal. >> Refer to ADP-8, "ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL . AUTOMATIC DRIVE POSITIONER CONTROL UNIT AUTOMATIC DRIVE POSITIONER CONTROL UNIT : Diagnosis Procedure INFOID:0000000005249678 NOTE: 1. CHECK POWER SUPPLY CIRCUIT 1. Turn ignition switch OFF. 2. Check voltage between automatic drive positioner control unit harness connector and ground. Is the inspection result normal? YES >> GO TO 2. NO >> Repair or replace harness between automatic drive positioner control unit and fuse block (J/B). 2. CHECK GROUND CIRCUIT Check continuity between the automatic drive positioner control unit harness connector and ground. (+) (–) Voltage (V) (Approx.) Driver seat control unit Connector Terminal B452 33 Ground Battery voltage 40 Driver seat control unit Ground Continuity Connector Terminal B451 32 Existed B452 48 (+) (–) Voltage (V) (Approx.) Automatic drive positioner control unit Connector Terminal M52 34 Ground Battery voltage 39 |