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Home >> Lexus >> 2017 >> ES 300h >> Repair and Diagnosis (Single Page) >> Restraints >> Restraints Control Systems >> Pre-Collision System (Diagnostic Codes & Circuit Tests) >> Pre-Collision System >> DTC C1A63: Accelerator Pedal Position Sensor Circuit [07/2015 - ] >> Procedure

DTC C1A63: Accelerator Pedal Position Sensor Circuit [07/2015 - ]: Procedure

  1. CHECK DTC OUTPUT (HYBRID CONTROL SYSTEM) 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
    5. Check for DTCs. Refer to DTC CHECK / CLEAR [07/2015 - ]
      RESULT

      Result Proceed to
      Hybrid control system DTCs are not output A
      Hybrid control system DTCs are output B

    Result:  B

    GO TO HYBRID CONTROL SYSTEM 

    Refer to HOW TO PROCEED WITH TROUBLESHOOTING [07/2015 - ]

    Result:  A

    See step  2

  2. CHECK DTC OUTPUT (PRE-COLLISION SYSTEM) 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Body Electrical / Pre-Collision 2 / Trouble Codes.
    5. Clear the DTCs. Refer to DTC CHECK / CLEAR [07/2015 - ]
    6. Make sure that the DTC detection conditions are met.

      HINT: 

      If the detection conditions are not met, the system cannot detect the malfunction.

    7. Check for DTCs. Refer to DTC CHECK / CLEAR [07/2015 - ]
      RESULT

      Result Proceed to
      DTC C1A63 is output A
      DTC C1A63 is not output B

    Result:  A

    REPLACE DRIVING SUPPORT ECU ASSEMBLY 

    Refer to COMPONENTS [07/2015 - ]

    Result:  B

    USE SIMULATION METHOD TO CHECK (SYMPTOM SIMULATION) 

    Refer to HOW TO PROCEED WITH TROUBLESHOOTING [07/2015 - ]