Diagnostic Aids
WARNING: This page is about a different car, the 2003 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.
Using scan tool, read freeze frame data. Freeze frame records engine conditions when malfunction is detected. If the vehicle runs out of fuel, the air-fuel ratio is LEAN and DTC P0134 or P0154 will be recorded. MIL then comes on.