Why does my Lexus have no throttle response?
HELP…I have no throttle response until full throttle… replaced with another known good throttle body. used but off running car. and still no response. Is there a reset, other than just disconnecting the battery, to make the brain recognise the new throttle body ?? Has anyone else run into this??? It is ECM controlled…??? Click to expand…
What happens when the throttle gets stuck in an open position?
When the throttle gets stuck in an open position than your vehicle will receive too much air and cause it to have a high or fluctuating idle. What are signs of a bad Throttle Position Sensor? Acceleration issues: A bad TPS may cause all sorts of power issues. Your engine may start up but it will have little to no power and it causes it to shut off.
What should the throttle reading be at idle?
Once you’ve identified the wires, you can begin comparing voltage readings. The output reading at idle should be about 5 percent or less of the reference voltage, and more than 90 percent when you turn the throttle to wide open.
What is the idle signal on a Lexus LS400?
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 47 – When idle switch is ON, sub-throttle position sensor signal is 1.45V or higher
How do you read the Diagnostic Code on a Lexus LS400?
1) In order to read the code the battery must be 11v or higher, throttle valve fully closed, transmission in neutral position, and AC turned off. For checking transmission codes the OD switch must in on (pushed in). Connect terminals Te1 and E1 by placing a short piece of wire in the TDCL diagnostic port under the steering wheel.
Where do you put the jumper wire on a Lexus LS400?
For engine and transmission codes you place the jumper wire in Te1 and E1. For air bag codes, ABS and TRAC codes, you place the jumper wire in Tc and E1.
When the throttle gets stuck in an open position than your vehicle will receive too much air and cause it to have a high or fluctuating idle. What are signs of a bad Throttle Position Sensor? Acceleration issues: A bad TPS may cause all sorts of power issues. Your engine may start up but it will have little to no power and it causes it to shut off.