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Inspection Procedure

NOTE: When using the intelligent tester (with CAN VIM) or Techstream with the engine switch off to troubleshoot:
Connect the intelligent tester (with CAN VIM) or Techstream to the vehicle, and turn a courtesy switch on and off at 1.5 second intervals until communication between the tester and vehicle begins.
  1. CLEAR DTC 
    1. Delete the DTC (see DTC CHECK / CLEAR  ).
  2. CHECK FOR DTC 
    1. Check for DTC (see DTC CHECK / CLEAR  ).

      Result: 

      RESULT

      Result Proceed to
      DTC U0211, U0246, U1130* and U1131* output occurs A
      DTC U0211, U0246, U1130* or U1131* output occurs B
      No DTC output occurs C

      HINT:

      *: w/ Rear Climate Control Seat System

    B: GO TO  DTC CHART  

    C: USE SIMULATION METHOD TO CHECK  (See HOW TO PROCEED WITH TROUBLESHOOTING )

    A: GO TO NEXT STEP 

  3. CHECK HARNESS AND CONNECTOR (REAR POWER SEAT MODULE SWITCH POSITION CONTROL ECU LH) 
    1. Disconnect the r2*1 or S15*2 module switch connectors.

      HINT:

      *1: w/o Ottoman

      *2: w/ Ottoman

    2. Disconnect the f5 ECU connector.
    3. Measure the resistance and voltage according to the value(s) in the table below.

      Standard resistance 

      w/o Ottoman: 

      REAR POWER SEAT MODULE SWITCH POSITION CONTROL ECU LH RESISTANCE W/O OTTOMAN

      Tester Connection Condition Specified Condition
      r2-6 (LIN) - f5-7 (LIN) Always Below 1 Ω
      r2-6 (LIN) or f5-7 (LIN) -Body ground Always 10 kΩ or higher

      w/ Ottoman: 

      REAR POWER SEAT MODULE SWITCH POSITION CONTROL ECU LH RESISTANCE W/OTTOMAN

      Tester Connection Condition Specified Condition
      S15-3(LIN)-f5-7(LIN) Always Below 1 Ω
      S15-3 (LIN) or f5-7 (LIN) - Body ground Always 10 kΩ or higher

      Standard voltage 

      w/o Ottoman: 

      REAR POWER SEAT MODULE SWITCH POSITION CONTROL ECU LH VOLTAGE W/O OTTOMAN

      Tester Connection Condition Specified Condition
      r2-6 (LIN) or f5-7 (LIN) -Body ground Always Below 1 V

      w/ Ottoman: 

      REAR POWER SEAT MODULE SWITCH POSITION CONTROL ECU LH VOLTAGE W/OTTOMAN

      Tester Connection Condition Specified Condition
      S15-3(LIN)or f5-7(LIN) - Body ground Always Below 1 V
      Fig 1: Identifying r2*1 Or s15*2 Module Switch Connectors
      G04947004Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: REPLACE REAR POWER SEAT MODULE SWITCH  (See DISASSEMBLY )

    NG: GO TO NEXT STEP 

  4. CLEAR DTC 
    1. Reconnect the r2*1 or S15*2 module switch connectors.

      HINT:

      *1: w/o Ottoman

      *2: w/ Ottoman

    2. Delete the DTC (see DTC CHECK / CLEAR  ).
  5. CHECK FOR DTC 
    1. Disconnect the f5 ECU connector.
    2. Recheck for DTC (see DTC CHECK / CLEAR  ).

      Result: 

      RESULT

      Result Proceed to
      DTC U0211,110246, U1130* and U1131* output occurs A
      DTC U0211 output occurs B

      HINT:

      *: w/ Rear Climate Control Seat System

    B: REPLACE POSITION CONTROL ECU RH 

    A: GO TO NEXT STEP 

  6. CLEAR DTC 
    1. Reconnect the f5 ECU connector.
    2. Delete the DTC (see DTC CHECK / CLEAR  ).
  7. CHECK FOR DTC 
    1. Disconnect the f25 ECU connector.
    2. Recheck for DTC (see DTC CHECK / CLEAR  ).

      Result: 

      RESULT

      Result Proceed to
      DTC U0211 and U0246 output occurs C
      DTC U0211, U0246, U1130* and U1131* output occurs A
      DTC U0246 output occurs B

      HINT:

      *: w/ Rear Climate Control Seat System

    B: REPLACE POSITION CONTROL ECU LH 

    C: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    A: GO TO NEXT STEP 

  8. CLEAR DTC 
    1. Reconnect the f25 ECU connector.
    2. Delete the DTC (see DTC CHECK / CLEAR  ).
  9. CHECK FOR DTC 
    1. Disconnect the f8 ECU connector.
    2. Recheck for DTC (see DTC CHECK / CLEAR  ).

      Result: 

      RESULT

      Result Proceed to
      DTC U0211, U0246, U1130* and U1131* output occurs A
      DTC U1130* output occurs B

      HINT:

      *: w/ Rear Climate Control Seat System

    B: REPLACE REAR SEAT CLIMATE CONTROL ECU RH 

    A: GO TO NEXT STEP 

  10. CLEAR DTC 
    1. Reconnect the f8 ECU connector.
    2. Delete the DTC (see DTC CHECK / CLEAR  ).
  11. CHECK FOR DTC 
    1. Disconnect the f28 ECU connector.
    2. Recheck for DTC (see DTC CHECK / CLEAR  ).

      Result: 

      RESULT

      Result Proceed to
      DTC U0211, U0246, U1130* and U1131* output occurs A
      DTC U1131* output occurs B

      HINT:

      *: w/ Rear Climate Control Seat System

    B: REPLACE REAR SEAT CLIMATE CONTROL ECU LH 

    A: REPAIR OR REPLACE HARNESS OR CONNECTOR