GS - 4th Gen (2013-2020) Discussion about the 2013 and up GS models

Diagram to replace multiplex body computer diagram

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Old 07-09-18, 07:36 AM
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khizr23
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Default Diagram to replace multiplex body computer diagram

Hey see the diagram to replace the multiplex computer part # 89220-30G60 its right under driverside knee airbag.

Old 07-09-18, 07:41 AM
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aachowhan
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Where did you get this diagram?
Old 07-09-18, 07:42 AM
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khizr23
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Originally Posted by aachowhan
Where did you get this diagram?
From My Partner who use to works at lexus
Old 07-09-18, 07:53 AM
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aachowhan
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Ok. Any idea where to get diagrams like this online? I have a parasitic draw and a TSB says to replace the part 89100-30181, but I just don't know where that is. I think I see it on your diagram though. Can you post the full version?
Old 07-09-18, 07:57 AM
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khizr23
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Originally Posted by aachowhan
Ok. Any idea where to get diagrams like this online? I have a parasitic draw and a TSB says to replace the part 89100-30181, but I just don't know where that is. I think I see it on your diagram though. Can you post the full version?
I will have to ask my friend to see if he can get this for me? or see if you buy the diagramonline
Old 07-09-18, 07:59 AM
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aachowhan
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That would be cool as well since this issue has a TSB out for it and definitely help out people out of warranty.. However I was wondering if you could post the full diagram you have since a lot of it is cut off.

Thanks!
Old 07-09-18, 05:43 PM
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2GR
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What exactly is the problem on the car??
Old 07-09-18, 05:52 PM
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aachowhan
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Originally Posted by 2GR
What exactly is the problem on the car??
When you park the car and come back the next day the battery is completely dead. The issue is that module does not shut off properly and it drains the battery overnight. Lexus dealers have lied and blamed other things or even told people to drive their car everyday. Basically they don't want to do warranty work. I asked my dealership about this TSB 3 times and they denied that it was even a thing.
Old 07-09-18, 09:39 PM
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2GR
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Originally Posted by aachowhan
When you park the car and come back the next day the battery is completely dead. The issue is that module does not shut off properly and it drains the battery overnight. Lexus dealers have lied and blamed other things or even told people to drive their car everyday. Basically they don't want to do warranty work. I asked my dealership about this TSB 3 times and they denied that it was even a thing.
Yikes..... that's a pretty serious issue.
Old 07-10-18, 04:54 AM
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eddie420
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Originally Posted by aachowhan
When you park the car and come back the next day the battery is completely dead. The issue is that module does not shut off properly and it drains the battery overnight. Lexus dealers have lied and blamed other things or even told people to drive their car everyday. Basically they don't want to do warranty work. I asked my dealership about this TSB 3 times and they denied that it was even a thing.
Print out the TSB and tell them you will escalate it to Lexus Customer Satisfaction department if they fail to perform the work. They will take you seriously immediately. You're welcome.
Old 07-12-18, 05:26 PM
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aachowhan
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Originally Posted by eddie420
Print out the TSB and tell them you will escalate it to Lexus Customer Satisfaction department if they fail to perform the work. They will take you seriously immediately. You're welcome.
Even out of warranty? I think I might do that.
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