Typical Malfunction Thresholds
WARNING: This page is about a different car, the 2015 Lexus IS 250 and 2014 Lexus IS 250. However, it is still accessible from the selected car via links, so may be relevant.
| Either of the following conditions are met | 1 or 2 |
| 1. Both of the following conditions are met | - |
| Engine speed - Target engine speed | Less than -100 rpm, or higher than 200 rpm (A/C on or NSW on) Less than -100 rpm, or higher than 200 rpm (A/C off and NSW off) |
| IAC flow rate learned value | 1.22 L/sec. or less, or 7.8 L/sec. or more for 5 seconds or more |
| 2. Both of the following conditions are met | A and B |
| A. Frequency that both of the following conditions are met | 5 times or more |
| Engine speed - Target engine speed | Less than -100 rpm, or higher than 200 rpm (A/C on or NSW on) Less than -100 rpm, or higher than 200 rpm (A/C off and NSW off) |
| Vehicle condition | Stopped after vehicle was driven by 10 km/h (6.25 mph) or higher |
| B. Either of the following condition is met | (a) or (b) |
| (a) Amount of change of IAC flow rate learning value | +1.93 L/sec. or more, or -3.62 L/sec. or less |
| (b) IAC flow rate learning value | 1.22 L/sec. or less, or 7.8 L/sec. or more |