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Home >> Toyota >> 2009 >> Matrix Base, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Engine Control System (2AZ-FE)) >> SFI System >> DTC P0420 Catalyst System Efficiency Below Threshold (Bank 1) >> Confirmation Driving Pattern
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Confirmation Driving Pattern

WARNING: This page is about a different variant/trim than selected.

HINT:

Performing this confirmation pattern will activate the catalyst monitor. This is very useful for verifying the completion of a repair.

Fig 1: Driving Pattern Of Vehicle Speed And Time
G06040082Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. Connect the Techstream to the DLC3.
  2. Turn the ignition switch to ON.
  3. Turn the Techstream on.
  4. Clear the DTCs (if set) (See DTC CHECK / CLEAR ).
  5. Enter the following menus: Powertrain / Engine and ECT / Monitor.
  6. Check that Catalyst / Status 2 is Incomplete.
  7. Start the engine and warm it up.
  8. Drive the vehicle at between 40 mph and 70 mph (64 km/h and 113 km/h) for at least 10 minutes.
  9. Those items will change to Complete as Catalyst monitor operates.
  10. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
  11. Check if any DTCs (any pending DTCs) are set.

HINT:

If Catalyst does not change to Complete, and any pending DTCs fail to set, extend the driving time.