91' Lexus LS400 A/C work but it won't automatically on/off (Automatically Control)
#1
Driver School Candidate
Thread Starter
91' Lexus LS400 A/C work but it won't automatically on/off (Automatically Control)
Hello,
I don't know how to explain you this but i will try my best
I have 91 Lexus LS400 car runs smooth and A/C work just fine but there is one problem with the A/C system when i turn on the A/C it keeps running continuously even if it is too much cool inside it won't automatically Turn off for few seconds and turn back on.
I have seen in many cars that once it comes to correct temp A/C automaically disconnect and after few sec. back on again.
Is this normal to run continuously in LS400 or is there any issue with the system
Thank you
Anthony
I don't know how to explain you this but i will try my best
I have 91 Lexus LS400 car runs smooth and A/C work just fine but there is one problem with the A/C system when i turn on the A/C it keeps running continuously even if it is too much cool inside it won't automatically Turn off for few seconds and turn back on.
I have seen in many cars that once it comes to correct temp A/C automaically disconnect and after few sec. back on again.
Is this normal to run continuously in LS400 or is there any issue with the system
Thank you
Anthony
#3
Lexus Champion
inside ambient temp sensor thermistor p/n 88625-50010 is a strong possibility, but you need to go through the troubleshooting procedure in the factory service manual to tell for sure.
there are 3 of these sensors on the car, one for inside ambient temp, one for outside ambient temp, and one for solar load
all are shown in the following diagram (each is marked 88625C)
there are 3 of these sensors on the car, one for inside ambient temp, one for outside ambient temp, and one for solar load
all are shown in the following diagram (each is marked 88625C)
Last edited by LScowboyLS; 09-30-13 at 05:31 PM.
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