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Home >> Toyota >> 2007 >> FJ Cruiser 4WD, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> SFI System >> DTC P0420, P0430: Catalyst System Efficiency Below Threshold (Bank 1); Catalyst System Efficiency Below Threshold (Bank 2) >> Confirmation Driving Pattern
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Confirmation Driving Pattern

HINT:

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

Fig 1: Identifying Confirmation Driving Pattern
G04828087Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Identifying Intelligent Tester Display - CAT CMPL IS INCMPL
G04828152Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. Connect the intelligent tester to the DLC3.
  2. Turn the ignition switch ON.
  3. Turn the tester ON.
  4. Clear DTCs (where set) (See DTC CHECK/CLEAR  ).
  5. Select the following menu items: DIAGNOSIS / CARB OBD II / READINESS TESTS.
  6. Check that CAT EVAL is INCMPL (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. Note the state of the Readiness Tests items. Those items will change to COMPL (complete) as CAT EVAL monitor operates.
  10. On the tester, select the following menu items: DIAGNOSIS / ENHANCED OBD II / DTC INFO / PENDING CODES and check if any DTCs (any pending DTCs) are set.

HINT:

If CAT EVAL does not change to COMPL, and any pending DTCs fail to set, extend the driving time.