2015 Lexus IS 250 - Answered Questions & Fixed issues

1. Locate the ECU: The ECU is typically mounted under the hood of the vehicle, near the firewall.
2. Disconnect the battery: To avoid any electrical shock or damage, disconnect the negative battery cable before beginning the removal process.
3. Remove the cover: There is likely a cover or panel that needs to be removed to access the ECU. This may be held in place with screws or clips.
4. Disconnect the electrical connections: The ECU will have several electrical connections that need to be disconnected before it can be removed. These connections may include plugs, wiring harnesses, and other components.
5. Remove the mounting screws: The ECU is usually mounted to the vehicle with screws. Remove these screws to release the ECU from the mounting bracket.
6. Remove the ECU: Once the screws are removed, the ECU should come out relatively easily. It may need to be lifted out over the junction block or other components.
7. Remove the junction block: The junction block is mounted above the ECU and may be held in place with screws or clips. Once the ECU has been removed, the junction block should be easy to access and remove.

Note: It's important to follow the steps carefully and to be cautious when removing electrical components from a vehicle. If you're not confident in your abilities, consider hiring a professional mechanic to remove the ECU and junction block for you.

Frankly, I would check locally to see if there is a Japanese translator that would do this for you for a small nominal fee. You can check public libraries and courthouses for possible translators. Craigslist is also another good resource. Check local colleges for persons taking Japanese language!

Someone who can translate is willing to do this for a small ($20?) Fee. Good luck!

I got this free Pdf manual from an online store for free and I don't think Ive visited a mechanic or fixya for help for more than 3-4 times out of the all the times I fixed the chipper in these 4 years

have blown speaker some one turn it up to high and blew it replace it and what the volumne

That hard of an impact caused damage to the sensors for the antislip and brake system. Make an insurance claim because this needs to go to a dealer and could be expensive to fix.

Pedal Relearn Procedure Accerlerator Pedal Released Postion Learning is and operation to learn the full released postions of the accerlerator pedal by monitoring the accelerator pedal sensor output signal. It must be performed each time harness connector of accelearator pedal postion sensor or ECM is disconnected. 1. Make Sure the acceleartor Pedal is fully released 2. Turn Ignition switchON and wait at least 2 Seconds. 3. Turn ignition switchOFF and wait at least 10 Seconds 4. Turn Ignition switchON and wait at least 2 seconds. 5. Turn Ignition switchoff and wait at least 10 seconds Throttle Valve Relearn Throttle ValveClosed Postion Learning is to learn the fully closed postion of the throttle valveby monitoring the throttle position sensor output signal. It must be performed each time harness of electric throttle control actuator or ECM is disconnect. 1.Make sure accelerator pedal is fully released. 2. Turn ignition ON 3. Turn igntion switch OFF and wait at least 10 seconds. Make sure that the throttle valvemoves during the 10 seconds by confrming the operating sound. (You can hear the TB sound when you have key on and shifter in first gear and step on the gas. So you know what you listening for.) Idle Air Volume Relearn Procedure The Following Condtions Must be met in order for procedure to Work. Battery Voltage :More than 12.9 volts at idle Engine Coolant Temp 158-203 degrees Farenhiet Electric Load Switch OFF i.e Air Condition, headlamps , rear defogger Steering Wheel: Neutral Postion (Straight Ahead) PNP Switch: OFF (Park Neutral Switch i.e. Clutch Switch...pretty sure) 1. Perform ACCERLEARATOR PEDAL RELEASED POSTIONS LEARNING 2. Perform THROTTLE VALVECLOSED POSITION LEARNING 3. Start engine and warm it up to operation temperature 4. Turn igniton switch OFF and wait at least 10 seconds 5. Confirm Gas Pedalif fully realeased, then turn igniton switch ON and wait 3 seconds 6. Fully step on and release gas pedal5 time within 5 seconds 8. Wait 7 seconds and fully step on gas and stay on until MIL stops blinking and is steady. 9. Fully release the Gas pedalwithin 3 seconds after the MIL has turned ON steady. 10. Start engine imediatly and let idle. Wait 20 seconds.

Thread Lexus IS 250 350 ISF TPMS Reset Procedure Try this link to know more. http://electronicshelponline.blogspot.com/

5 speed or auto transmissoin clutchs are bad or going out

If its a front wheel drive more then likely its the half shaft That's a drive shaft on the rt front

The first thing you want to check for is the brake signal,without this signal it will not crank,this is the easy one make sure you get brake light,the second is to have the starter tested by a direct method,this gives the indication of the health of the starter

Hi,Indeed it is frustrating (and weird as well). But can you check, you signed out correctly? If you open Google.com, you will see your email address at top right of the page. If not, then change the try changing the browser. These are only to get sign in page. If you are getting sign in page and cannot sign in that means password is wrong. you can try password reset.Thanks

Hello and welcome to FixYa!
What fuse was replaced? You may just have a system failure. As a first course of action, I strongly suggest that you remove the positive battery connector and let it sit for at least 5mins. before reconnecting it. This will reset the system and can get it back to it's normal operation.
Hope this helps and thank you for using FixYa! Have a good one!

If your connector has only two wires... A. It may not matter. B. Look at the connector for a different color clip inserted into it. Removing the clip should allow the piece that holds the wires to release, and maybe there is enough wire there for you to see which goes where.

Just remember how it goes together.

A dealer can tell you or simply see if they have a similar model on the lot, and ask to look under the hood.

Check this link as it may help you

http://us.lexusownersclub.com/forums/index.php?showtopic=8483

the tcs can mean 2 things, 1 is the temperature colant switch, which is mostly located on top of the intake manifold, and sometimes close to the thermostat housing, this is based upon what type of vehicle it is, and the engine size. also unless your computer might be saying throttle control sensor, or switch. this switch should be located close to the throttle body area, after replacing or checking out the part, you can remove the light , either with a ob 2 scan tool, or disconnect the positive battery cable for about 1 minute, then reconnect it back up, light should now be out.

Check lamp usually means it is either running too rich or too lean.

Bulbs are usually not interchangeable as the wrong type won't fit. Find the bulb type by removing one of the old ones. replace both of the low beams at the same time. If you buy two of the same variety and they are the right bulb number (H7 is a style of low beam) they are okay to use, Change in pairs so beam color and bulb life are the same.

You have lost your valet key, ask your lexus dealer for a replacement