Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2013 Lexus LS 460L AWDFACTORY OEM SERVICE PROCEDURE
Typical Malfunction Thresholds
| Either of the following conditions met | 1 or 2 |
| 1. Both of following conditions A and B is met | - |
| A. Engine speed - Target engine speed | Less than -100 rpm, or more than 200 rpm (A/C on or NSW on) Less than -100 rpm, or more than 150 rpm (A/C off and NSW off) |
| B. IAC flow rate learning value | 1.69 L/sec. or less, or 10.08 L/sec. or more for 5 seconds or more |
| 2. Both of following conditions C and D is met | - |
| C. Frequency that both of the following conditions (a) and (b) are met | 5 times or more |
| (a) Engine speed - Target engine speed | Less than -100 rpm, or more than 200 rpm (A/C on or NSW on) Less than -100 rpm, or more than 150 rpm (A/C off and NSW off) |
| (b) Vehicle condition | Stop after vehicle was driven by 6.25 mph (10km/h) or more |
| D. Either of following conditions (c) or (d) is met | - |
| (c) Amount of change of IAC flow rate learning value | +2.9 L/sec. or more, or -4.2 L/sec. or less |
| (d) IAC flow rate learning value | 1.69 L/sec. or less, or 10.08 L/sec. or more |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.