LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2007 >> LS 460L >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System - Diagnostic Codes (4 Of 4) >> DTC P2A00 A/F Sensor Circuit Slow Response (Bank 1 Sensor 1); DTC P2A03 A/F Sensor Circuit Slow Response (Bank 2 Sensor 1) >> Confirmation Driving Pattern

Confirmation Driving Pattern

HINT:

Performing this confirmation pattern will activate the A/F sensor response monitor.

Fig 1: Vehicle Speed Driving Pattern
G04942921Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. Connect the Intelligent tester tester or Techstream to the DLC3.
  2. Turn the engine switch on (IG).
  3. Turn the tester ON.
  4. Clear DTCs (see DTC CHECK / CLEAR ).
  5. Enter the following menu:
    • Intelligent tester - Select: DIAGNOSIS / ENHANCED OBD II / MONITOR INFO / MONITOR RESULT.
    • Techstream - Select: Powertrain / Engine and ECT / Monitor / O2 Sensor / Details.
  6. Check that RES RATE B1S1 and RES RATE B2S1 are Incomplete.
  7. Start the engine and warm it up.
  8. Drive the vehicle at between 25 mph and 75 mph (40 km/h and 120 km/h) for 3 minutes. However, the vehicle should be driven at a constant speed.
  9. Check the monitor result values on the Intelligent tester by selecting the following menu items:
    • Intelligent tester - Select: DIAGNOSIS / ENHANCED OBD II / MONITOR INFO / MONITOR RESULT / RES RATE B1S1 or RES RATE B2S1 / Enter.
    • Techstream - Select: Powertrain / Engine and ECT / Monitor / O2 Sensor / Details / RES RATE B1S1 or RES RATE B2S1 / Details.
  10. If the values indicated on the tester do not change, perform READINESS MONITOR DRIVE PATTERN for the A/F sensor and the heated oxygen sensor (see READINESS MONITOR DRIVE PATTERN ).

    HINT:

    Completion of all A/F sensor monitors is required to change the value in RES RATE B1S1 and RES RATE B2S1.

  11. Note the value of the RES RATE B1S1 and RES RATE B2S1.
  12. Select the following menu items:
    • Intelligent tester - Select: DIAGNOSIS / ENHANCED OBD II / DTC INFO / PENDING CODES.
    • Techstream - Select: Powertrain / Engine and ECT / Trouble Codes / Pending.
  13. Check if any DTCs (any pending DTCs) are set.