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Home >> Toyota >> 2008 >> RAV4 Base, 2.4 D, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Engine Control System (2GR-FE)) >> SFI System >> DTC P2121 Throttle / Pedal Position Sensor / Switch "D" Circuit Range/Performance >> Inspection Procedure
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Inspection Procedure

WARNING: This page is about a different variant/trim than selected.

HINT:

  1. CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P2121) 
    1. Connect Techstream to the DLC3.
    2. Turn the ignition switch ON.
    3. Turn the tester ON.
    4. Select the following menu items: Powertrain / Engine and ECT / Trouble Code.
    5. Read DTCs.

      Result 

      RESULT CHART

      Display (DTC Output) Proceed to
      P2121 A
      P2121 and other DTCs B

      HINT:

      If any DTCs other than P2121 are output, troubleshoot those DTCs first.

    B:  GO TO DTC CHART 

    A: Go to next step 

  2. READ VALUE USING TECHSTREAM (ACCEL POS #1 AND ACCEL POS #2) 
    1. Connect Techstream to the DLC3.
    2. Turn the ignition switch ON and turn the tester ON.
    3. Select the following menu items: Powertrain / Engine and ECT / Data List / Accelerator Position No. 1 and Accelerator Position No. 2.
    4. Read the values displayed on the tester.

      Standard voltage 

      ACCELERATOR PEDAL OPERATION CHART

      Accelerator Pedal Operations ACCEL POS #1 ACCEL POS #2
      Released 0.5 to 1.1 V 1.2 to 2.0V
      Depressed 2.6 to 4.5 V 3.4 to 4.7 V
      Fig 1: Identifying Accelerator Pedal Released And Depressed Position
      G04828218Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: CHECK FOR INTERMITTENT PROBLEMS 

    NG: Go to next step 

  3. REPLACE ACCELERATOR PEDAL ASSEMBLY 
  4. CHECK WHETHER DTC OUTPUT RECURS (DTC P2121) 
    1. Connect Techstream to the DLC3.
    2. Turn the ignition switch ON and turn the tester ON.
    3. Clear DTCs (see DTC CHECK / CLEAR  ).
    4. Start the engine.
    5. Allow the engine to idle for 15 seconds.
    6. Select the following menu items: Powertrain / Engine and ECT / Trouble Code.
    7. Read DTCs.

      Result 

      RESULT CHART

      Display (DTC Output) Proceed to
      P2121 A
      No output B

    B: SYSTEM OK 

    A: REPLACE ECM