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Home >> Toyota >> 2016 >> Highlander Hybrid Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 79 (Hybrid Control System (2GR-FXS) - Diagnostic Codes (3 Of 7)) >> Hybrid Control System >> DTC P0A93-346: Inverter Cooling System Performance [11/2016 - ] >> Confirmation Driving Pattern

Confirmation Driving Pattern

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  1. Connect the Techstream to the DLC3.
  2. Turn the power switch on (IG) and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the power switch off and wait for 30 seconds or more.
  5. Turn the power switch on (IG) and turn the Techstream on.
  6. Turn the power switch on (READY). [A]
  7. Perform a road test according to the freeze frame data item "Vehicle Spd" for approximately 15 minutes. [B]

    During the road test, check Data List items "Inverter Coolant Water Temperature", "Inverter Temp- (MG2)", "Inverter Temp- (MG1)", "DC/DC Cnv Temp (Upper)", " DC/DC Cnv Temp (Lower)" and "Engine Coolant Temp" to prevent them from overheating.

  8. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. [C]
  9. Read the current DTCs.

    HINT: 

    • If a current DTC is output, the system is malfunctioning.
    • If current DTCs are not output, perform the following steps to check for permanent DTCs.
  10. Check that the permanent DTCs are cleared.
  11. If the permanent DTCs are not cleared, perform a universal trip, and then check for permanent DTCs again.
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