LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2013 >> IS 250 Base, AWD >> Repair and Diagnosis (Single Page) >> Body & Frame >> Seats >> Front Power Seat Control (W/ Seat Position Memory System) (Diagnostics & Circuit Tests) >> FRONT POWER SEAT CONTROL SYSTEM (w/ Seat Position Memory System) >> Data List / Active Test [08/2012 - ] >> Data List / Active Test [08/2012 - ]
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Data List / Active Test [08/2012 - ]

  1. READ DATA LIST 

    HINT: 

    Using the Techstream's Data List allows switch, sensor, actuator and other item values to be read without removing any parts. Reading the Data List early in troubleshooting is one way to save time.

    1. Connect the Techstream to the DLC3.
    2. Turn the engine switch on (IG).
    3. Enter the following menus: Body Electrical / Driver Seat / Data List.
    4. Read the Data List according to the display on the Techstream.
      DRIVER SEAT

      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Reclining Rear Reclining switch signal (Rearward) / ON or OFF ON: Reclining switch (Rearward) is ON
      OFF: Reclining switch (Rearward) is OFF      		 -
      Reclining Front Reclining switch signal (Forward) / ON or OFF ON: Reclining switch (Forward) is ON
      OFF: Reclining switch (Forward) is OFF      		 -
      Front Vertical Down Front vertical switch signal (Downward) / ON or OFF ON: Front vertical switch (Downward) is ON
      OFF: Front vertical switch (Downward) is OFF      		 -
      Front Vertical Up Front vertical switch signal (Upward) / ON or OFF ON: Front vertical switch (Upward) is ON
      OFF: Front vertical switch (Upward) is OFF      		 -
      Lifter Switch Down Lifter switch signal (Downward) / ON or OFF ON: Lifter switch (Downward) is ON
      OFF: Lifter switch (Downward) is OFF      		 -
      Lifter Switch Up Lifter switch signal (Upward) / ON or OFF ON: Lifter switch (Upward) is ON
      OFF: Lifter switch (Upward) is OFF      		 -
      Slide Rear Sliding switch signal (Rearward) / ON or OFF ON: Sliding switch (Rearward) is ON
      OFF: Sliding switch (Rearward) is OFF      		 -
      Slide Front Sliding switch signal (Forward) / ON or OFF ON: Sliding switch (Forward) is ON
      OFF: Sliding switch (Forward) is OFF      		 -
      Power Voltage Power supply for front power seat switch (position control ECU) / MIN: 0 V, MAX: 19.89 V Within range from 11 to 14 V -
      Vehicle Speed Vehicle speed data / MIN: 0 km/h (0 mph), MAX: 255 km/h (158 mph) Actual vehicle speed -
      Ignition Switch Engine switch status (IG) / ON or OFF ON: Engine switch is on (IG)
      OFF: Engine switch is off      		 -
      KSW Switch Engine switch status (IG) / ON or OFF ON: Engine switch is on (IG)
      OFF: Engine switch is off      		 -
      DCTY Switch Door courtesy switch signal / ON or OFF ON: Door is open
      OFF: Door is closed      		 -
      P Switch Shift lever position P signal / ON or OFF ON: Shift lever in P position
      OFF: Shift lever in any position other than P      		 -
      Pkbs Switch Parking brake switch status / ON or OFF ON: Parking brake is operated
      OFF: Parking brake is released      		 -
      Key Code Confirm Recognition code is registered / ON or OFF ON: One or more recognition codes are registered
      OFF: No recognition code is registered      		 -
      M3 Switch M3 switch signal / ON or OFF ON: M3 switch is ON
      OFF: M3 switch is OFF      		 -
      M2 Switch M2 switch signal / ON or OFF ON: M2 switch is ON
      OFF: M2 switch is OFF      		 -
      M1 Switch M1 switch signal / ON or OFF ON: M1 switch is ON
      OFF: M1 switch is OFF      		 -
      SET Switch SET switch signal / ON or OFF ON: SET switch is ON
      OFF: SET switch is OFF      		 -
      Slide Position Seat sliding position / MIN: -4096, MAX: 4096 Within range from -4096 to 4096 -
      Reclining Position Seatback position / MIN: -4096, MAX: 4096 Within range from -4096 to 4096 -
      Front Vertical Position Seat front vertical position / MIN: -4096, MAX: 4096 Within range from -4096 to 4096 -
      Lifter Position Seat lifter position / MIN: -4096, MAX: 4096 Within range from -4096 to 4096 -
      Memory No1 Driving position memorized with M1 switch / Mem or Not Mem Mem: Memorized
      Not Mem: Not memorized      		 -
      Memory No2 Driving position memorized with M2 switch / Mem or Not Mem Mem: Memorized
      Not Mem: Not memorized      		 -
      Memory No3 Driving position memorized with M3 switch / Mem or Not Mem Mem: Memorized
      Not Mem: Not memorized      		 -
      Seat Memory No1 Seat position memorized with M1 switch / Mem or Not Mem Mem: Memorized
      Not Mem: Not memorized      		 -
      Seat Memory No2 Seat position memorized with M2 switch / Mem or Not Mem Mem: Memorized
      Not Mem: Not memorized      		 -
      Seat Memory No3 Seat position memorized with M3 switch / Mem or Not Mem Mem: Memorized
      Not Mem: Not memorized      		 -
      Slide Pos Mem No1 Seat sliding position memorized with M1 switch / MIN: -4096, MAX: 4096 Within range from -4096 to 4096 -
      Reclining Pos Mem No1 Seatback position memorized with M1 switch / MIN: -4096, MAX: 4096 Within range from -4096 to 4096 -
      Front Vrtcl Pos Mem No1 Front vertical position memorized with M1 switch / MIN: -4096, MAX: 4096 Within range from -4096 to 4096 -
      Lifter Pos Mem No1 Lifter position memorized with M1 switch / MIN: -4096, MAX: 4096 Within range from -4096 to 4096 -
      Slide Pos Mem No2 Seat sliding position memorized with M2 switch / MIN: -4096, MAX: 4096 Within range from -4096 to 4096 -
      Reclining Pos Mem No2 Seatback position memorized with M2 switch / MIN: -4096, MAX: 4096 Within range from -4096 to 4096 -
      Front Vrtcl Pos Mem No2 Front vertical position memorized with M2 switch / MIN: -4096, MAX: 4096 Within range from -4096 to 4096 -
      Lifter Pos Mem No2 Lifter position memorized with M2 switch / MIN: -4096, MAX: 4096 Within range from -4096 to 4096 -
      Slide Pos Mem No3 Seat sliding position memorized with M3 switch / MIN: -4096, MAX: 4096 Within range from -4096 to 4096 -
      Reclining Pos Mem No3 Seatback position memorized with M3 switch / MIN: -4096, MAX: 4096 Within range from -4096 to 4096 -
      Front Vrtcl Pos Mem No3 Front vertical position memorized with M3 switch / MIN: -4096, MAX: 4096 Within range from -4096 to 4096 -
      Lifter Pos Mem No3 Lifter position memorized with M3 switch / MIN: -4096, MAX: 4096 Within range from -4096 to 4096 -
  2. PERFORM ACTIVE TEST 

    HINT: 

    Performing the Techstream's Active Test allows a relay, VSV, actuator, and other items to be operated without removing any parts. Performing the Active Test early in troubleshooting is one way to save time. The Data List can be displayed during the Active Test.

    1. Connect the Techstream to the DLC3.
    2. Turn the engine switch on (IG).
    3. Enter the following menus: Body Electrical / Driver Seat / Active Test.
    4. Perform the Active Test according to the display on the tester.
      DRIVER SEAT

      Tester Display Test Part Control Range Diagnostic Note
      Seat Reclining Seat reclining operation FRONT / REAR -
      Front Vertical Operation Seat front vertical operation UP / DOWN -
      Lifter Operation Seat lifter operation UP / DOWN -
      Seat Slide Operation Seat sliding operation FRONT / REAR -
scientia non olet · About LEMON Manuals