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Home >> Lexus >> 2004 >> IS 300 Base, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 56 (Engine Controls - Self-Diagnostics) >> Diagnostic Tests >> DTC P0134: Oxygen Sensor Circuit No Activity Detected (Bank 1, Sensor 1) Or P0154: Oxygen Sensor Circuit No Activity Detected (Bank 2, Sensor 1) >> Confirmation Driving Pattern
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Confirmation Driving Pattern

WARNING: This page is about a different car, the 2003 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.

Connect scan tool to Data Link Connector (DLC) No. 3. See Figure. If using Lexus scan tool, switch to CHECK mode. On both scan tools, start and warm engine to normal operating temperature. Allow engine to idle for 100 seconds or more. Drive vehicle at 24 MPH or more for 20 seconds. Stop vehicle and allow engine to idle for 20 seconds or more. Repeat driving and idle part of test 2 more times. At last idle test, allow to idle for 30 seconds. If using OBD-II scan tool, turn engine off. Repeat this procedure. If using either scan tool, if malfunction exists, MIL will illuminate.

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