When is the idle switch off on a Lexus LS400?
27 – When power supply to step motor is stopped, sub-throttle valve does not reach its fully-open position 45 – When idle switch is ON, main throttle position sensor signal is 1.5V or higher 46 – Main throttle position sensor signal is 4.3V or higher, or main throttle position sensor signal is 0.2V or lower when idle switch is OFF
Where do you find the engine code on a Lexus LS400?
For engine codes, you count the blinks on the check engine light. For transmission codes, you count the blinks on the “O/D OFF” light. For airbag codes, you count the blinks on the “airbag” light.
What is the problem code for Lexus check engine light?
P1150Air/Fuel Ratio Sensor Circuit Range/Performance Malfunction (Bank 2 Sensor 1) – Read Our Article On Oxygen Sensor CodesFor Help With This Lexus Trouble Code P1153Air/Fuel Ratio Sensor Circuit Response Malfunction (Bank 2 Sensor 1)
How can I find out if my ignition coil is working?
Check your manual to locate the fuel pump relay. Have a friend “crank” the engine. Get a friend or assistant to turn the key in the vehicle’s ignition. This will provide power to the car’s electrical system and, thus, to the spark plug you’re holding (assuming your ignition coil is working)
Can a faulty starter cause a Lexus to not start?
Faulty starter is rare, but due to the aging process, its very common problem for the first generation 1UZFE cars. This article is intended to rule out starter problem. It’s much easier to change other parts associated with starter, then changing the starter itself.
Why does my Lexus not start when I jump the battery?
If jumping the battery doesn’t help, its most likely not battery or cable problem. If the battery is weak, the starter will still but very weak or slow. If the battery is really bad, you might hear the click, click, click, click, click sound. This is also a possibility, especially someone else drive your car.
How do you test ignition coil without spark plug?
Remove the fuel pump relay or fuse. Before you crank the engine to test the spark plug, you must disable the fuel pump. When this is done, the engine will not start, allowing you to test the coil for spark. Failing to remove the fuel pump relay means cylinder being tested will not fire because there is no spark plug.
How do you test a Lexus car starter?
However, you can test your starter without taking it out. You can bypass the circuitry and use a positive (+) into the fuse box. Here are the procedures: Open up the fuse box with a flat screwdriver. The fuse box is located near the battery. 2. Use a 10 mm socket and loose the fuse/relay module. 3.
What was the reliability of the Lexus LS400?
And, while the Mercedes’ reliability record suffered greatly in the 1990s, the Lexus came in with unbelievable levels of quality and workmanship, and of course with fantastic reliability. Case in point, the 1990 LS400 you can see on pictures here.
How do you clear an ABS code on a Lexus LS400?
If the codes reappear it means you haven’t fixed the problem. Note: airbag code 41 cannot be cleared using this method, here’s how to clear it. ABS & TRAC codes are cleared by keeping the jumper wire in Tc and E1 and then pressing the brake pedal 8 or more times within 3 seconds.
27 – When power supply to step motor is stopped, sub-throttle valve does not reach its fully-open position 45 – When idle switch is ON, main throttle position sensor signal is 1.5V or higher 46 – Main throttle position sensor signal is 4.3V or higher, or main throttle position sensor signal is 0.2V or lower when idle switch is OFF
For engine codes, you count the blinks on the check engine light. For transmission codes, you count the blinks on the “O/D OFF” light. For airbag codes, you count the blinks on the “airbag” light.
What’s the rough idle after a Toyota battery replacement?
Here’s a DIY from YouTube demonstrating his procedure for cleaning the throttle on a 2003, 2AZ powered Camry: As Eden Prairie and Chanhassen’s Toyota and Lexus repair specialist we hope this helps the DIY and professional auto mechanic alike sort out the typical rough idle after a Toyota or Lexus battery replacement, repair, or disconnect.
Why does my Toyota Prius idle when the battery is disconnected?
We wrote about something similar on the Prius, being a common cause of the MIL. When the starting battery is disconnected on late model Toyota and Lexus vehicles the engine control module loses the learned position of the idle air control valve or throttle actuator motor (throttle-by-cable or throttle-by-wire, respectively).