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Aug 30, 2012 | 05:26 AM

SeaChange4

Thread Starter

Driver School Candidate

Joined: Aug 2012

Posts: 1

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From: MA

Computer Issues

I have a Lexus ES300 2003. Every time the car is turned off the computer resets. The fuses are all ok. Does anyone have any ideas on how to fix this issue.

Last edited by SeaChange4; Aug 30, 2012 at 06:06 AM.

Jun 29, 2015 | 11:31 PM

Bolan

Driver School Candidate

Joined: Jun 2015

Posts: 3

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From: United arab emirates

Es300

Quote:

Originally Posted by SeaChange4

I have a Lexus ES300 2003. Every time the car is turned off the computer resets. The fuses are all ok. Does anyone have any ideas on how to fix this issue.

All es models are *****

Jun 30, 2015 | 07:46 AM

JDMSteven

Driver

Joined: Jun 2015

Posts: 91

Likes: 3

From: Florida

What are some symptoms that your computer is resetting?

Jun 30, 2015 | 01:51 PM

ES300NZ

Lead Lap

Joined: Jul 2014

Posts: 662

Likes: 33

From: New Zealand

Quote:

Originally Posted by SeaChange4

I have a Lexus ES300 2003. Every time the car is turned off the computer resets. The fuses are all ok. Does anyone have any ideas on how to fix this issue.

The ecu has a memory circuit, which I think is ECU-B, or ECU-A, you'd have to check that pin has power when the car is turned off. I bet this is wiring issue/fuse issue/relay issue, before anything else.

You might want to replace the open circuit relay