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Home >> Toyota >> 2012 >> Highlander Hybrid >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Vehicle Control System (Diagnostic Codes (P0A69-677 - P0A79-716)) (Hybrid) >> Hybrid Control System >> DTC P0A79-704: Drive Motor "B" Inverter Performance >> Confirmation Driving Pattern

Confirmation Driving Pattern

Fig 1: Identifying Confirmation Driving Pattern
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  1. Connect the Techstream to the DLC3.
  2. Turn the ignition switch to ON and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the ignition switch off.
  5. Turn the ignition switch to ON (READY) and turn the Techstream on.
  6. Drive the vehicle in circles with the accelerator pedal position at 20% for 10 seconds or more. [A]
  7. Perform [A] several times using different amounts of acceleration. [B]
  8. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
  9. Check that permanent DTCs are cleared.
  10. If the permanent DTCs are not cleared, perform a universal trip, and then check for permanent DTCs again.

    HINT: 

    • If a permanent DTC is output, the system is malfunctioning.
    • If no permanent DTC is output, the system is normal.