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Home >> Toyota >> 2021 >> C-HR LE >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (W/O Canister Pump) - Diagnostic Codes (P2610-U0129) & Circuit / Symptom Tests >> SFI SYSTEM (w/o Canister Pump Module) >> DTC P2648: A Rocker Arm Actuator Control Circuit Low B1; DTC P2649: A Rocker Arm Actuator Control Circuit High B1 [10/2017 - 12/2021] >> Confirmation Driving Pattern
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Confirmation Driving Pattern

  1. Connect the Techstream to the DLC3.
  2. Start the engine and warm it up.
  3. Turn the Techstream on.
  4. Clear the DTCs.
  5. Turn the ignition switch off and wait for at least 30 seconds.
  6. Start the engine and idle it for 20 seconds.
  7. Turn the Techstream on.
  8. Clear the DTCs.
  9. Turn the ignition switch off and wait for at least 30 seconds.
  10. Start the engine and idle it for 20 seconds.
  11. Turn the ignition switch off and wait for at least 30 seconds.
  12. Turn the ignition switch to ON.
  13. Turn the Techstream on.
  14. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
  15. Read the DTCs.
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