Typical Malfunction Thresholds
WARNING: This page is about a different car, the 2012 Lexus IS 250. However, it is still accessible from the selected car via links, so may be relevant.
| Either condition is met | 1 or 2 |
| 1. Both of following conditions A and B met | - |
| A. Engine speed - Target engine speed | Less than -100 rpm, or more than 200 rpm (A/C off and shift position is not neutral) Less than -100 rpm, or more than 200 rpm (A/C on or shift position is neutral) |
| B. 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 following conditions C and D met | - |
| C. Frequency that both of following conditions (a) and (b) met | 5 times or more |
| (a) Engine speed - Target engine speed | Less than -100 rpm, or more than 200 rpm (A/C off and shift position is not neutral) Less than -100 rpm, or more than 200 rpm (A/C on or shift position is neutral) |
| (b) Vehicle condition | Stopped after vehicle was driven by 10 km/h (6.25 mph) or more |
| D. Either condition is met | (c) or (d) |
| (c) Amount of change of IAC flow rate learning value | +1.93 L/sec. or more, or -3.62 L/sec. or less |
| (d) IAC flow rate learned value | 1.22 L/sec. or less, or 7.8 L/sec. or more |