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Front Power Seat Control System (W/Memory) - Diagnosis: Pre-Check

  1. USING LEXUS HAND-HELD TESTER 
    1. Connect the LEXUS hand-held tester to the DLC3.
    2. Read DATA MONITOR using hand-held tester.

      SEAT ECU 

      STANDARD CONDITION CHART

      Item Condition Standard condition
      SLIDE SW FRONT SLIDE SEAT SW CENTER --> FRONT ON/OFF
      SLIDE SW REAR SLIDE SEAT SW CENTER --> REAR ON/OFF
      R VTCL SW UP REAR SW CENTER --> UP ON/OFF
      R VTCL SW DOWN REAR SW CENTER --> DOWN ON/OFF
      F VTCL SW UP REAR SW CENTER --> UP ON/OFF
      F VTCL SW DOWN REAR SW CENTER --> DOWN ON/OFF
      RECLIN SW FRONT RECLINING SW CENTER --> FRONT ON/OFF
      RECLIN SW REAR RECLINING SW CENTER --> REAR ON/OFF
      SEAT MEM M1 IG ON.P RANGE PRESS SET SW AND M1 SW MEM/NOT MEM
      SEAT MEM M 2 IG ON.P RANGE PRESS SET SW AND M2 SW MEM/NOT MEM
      MEM M1 SW IG ON.P RANGE PRESS M1 SW MEM/NOT MEM
      MEM M2 SW IG ON.P RANGE PRESS M2 SW MEM/NOT MEM
      D-MIRR MEM M1 IG ON.P RANGE PRESS M1 SW MEM/NOT MEM
      D-MIRR MEM M2 IG ON.P RANGE PRESS M2 SW MEM/NOT MEM
      P-MIRR MEM M2 IG ON.P RANGE PRESS M1 SW MEM/NOT MEM
      P-MIRR MEM M2 IG ON.P RANGE PRESS M2 SW MEM/NOT MEM
      IG SW IG SW ON ON/OFF
      KEY UNLOCK SW LOOK/UNLOCK ON/OFF
      D-DOOR WARN SW CTY SW ON ON/OFF
      PNP SW P RANGE ON/OFF
      SET SW SET SW ON/OFF ON/OFF
      M1 SW M1 SW ON/OFF ON/OFF
      M2 SW M2 SW ON/OFF ON/OFF
    3. Enter into ACTIVE TEST function of LEXUS hand-held tester.

      SEAT ECU 

      ACTIVE TEST CHART

      Item Condition
      RECLINING FRONT/REAR FRONT/REAR
      Fr VERTCAL UP/DOWN UP/DOWN
      Rr VERTICAL UP/DOWN UP/DOWN
      SEAT SLIDE FRONT/REAR FRONT/REAR