Camry 2007

Accelerator Pedal Position Sensor

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Operation



Specific to:

Toyota Camry 2007-2008

The accelerator pedal position sensor is mounted on the accelerator pedal bracket. The accelerator pedal position sensor has 2 sensor elements and 2 signal outputs: VPA and VPA2. The ECM monitors the actual accelerator pedal opening angle (throttle valve opening angle) through the signals from VPA and VPA2, and controls the throttle actuator according to these signals.

Removal & Installation



Specific to:

Toyota Camry 2007-2008

  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Remove left center floor carpet cover.
  4.  
  5. Disconnect the accelerator pedal connector.
  6.  
  7. Remove the 2 nuts and accelerator pedal assembly.
    NOTE
    Avoid physical shock to the accelerator pedal assembly.


    NOTE
    Do not disassemble the accelerator pedal assembly.



    Click image to see an enlarged view

    Fig. Accelerator pedal assembly

  8.  

To install:

  1. Installation is the reverse of the removal procedure. Tighten the accelerator pedal rod nuts to 43 inch lbs. (5.4 Nm).
  2.  

Testing



Specific to:

Toyota Camry 2007-2008

  1. Using OBD II tester, test the voltage of the APP sensor.
  2.  
  3. Turn the ignition switch on (IG).
  4.  
  5. Turn the OBD II tester ON.
  6.  
  7. Select the menu items: DIAGNOSIS/ENHANCED OBD II/DATA LIST/ALL/ACCEL POS #1, ACCEL POS #2.
  8.  
  9. Operate the accelerator pedal, and then check that the ACCEL POS #1 and ACCEL POS #2 values are within the specifications.
  10.  
  11. Standard voltage (ACCEL POS #1):

    Accelerator Pedal Condition: Released. Specified Condition: 0.5 to 1.1 volts
     
    Accelerator Pedal Condition: Depressed. Specified Condition: 2.5 to 4.5 volts
     

  12.  
  13. Standard voltage (ACCEL POS #2):

    Accelerator Pedal Condition: Released. Specified Condition: 1.2 to 2.0 volts
     
    Accelerator Pedal Condition: Depressed. Specified Condition: 3.4 to 5.0 volts
     

  14.  
  15. If the result is not as specified, check the accelerator pedal rod, wire harness or ECM.
  16.  
  17. Complete testing of the APP system requires proprietary testing equipment.
  18.  

 
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