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Home >> Toyota >> 2004 >> Highlander Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 891 (Engine Control System (Diagnostic Codes & Symptom Tests)) >> DTC/Circuit Diagnosis >> DTC P2A00, P2A03: A/F Sensor 1 >> DTC Confirmation Procedure >> With Consult

With Consult

WARNING: This page is about a different car, the 2013 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.
  1. Start engine and warm it up to normal operating temperature.
  2. Turn ignition switch OFF and wait at least 10 seconds.
  3. Turn ignition switch ON and select "SELF-LEARNING CONT" in "WORK SUPPORT" mode with CONSULT.
  4. Clear the self-learning coefficient by touching "CLEAR".
  5. Turn ignition switch OFF and wait at least 10 seconds.
  6. Start engine and keep the engine speed between 3, 500 and 4, 000 RPM for 1 minute under no load.
  7. Let engine idle for 1 minute.
  8. Keep engine speed between 2, 500 and 3, 000 RPM for 20 minutes.
  9. Check 1st trip DTC.
  10. If 1st trip DTC is detected, go to "DIAGNOSIS PROCEDURE ".
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