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2007 toyota yaris battery keep draining and the check engine light remains ON

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4 months 3 weeks ago #63995 by davidessiendcarguy
2007 toyota yaris battery keep draining and the check engine light remains ON was created by davidessiendcarguy
An electrician friend told me about the vehicle listed above that he and others were battling with for a long time but to no avail. The major problem is that the car battery keeps draining if it's not disconnected. On the dashboard the check engine light remains on but fainted/dim even when though the car is shut-off. But it's bright alongside others whenever the ignition switch is turned on to position. How can I fix the problem?

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4 months 3 weeks ago #63997 by Chad
Replied by Chad on topic 2007 toyota yaris battery keep draining and the check engine light remains ON

On the dashboard the check engine light remains on but fainted/dim even when though the car is shut-off. But it's bright alongside others whenever the ignition switch is turned on to position.
 
Is the CEL on with the engine running? Do you have any codes?

My best guess it that this is going to be a faulty instrument cluster. Do you have a means of monitoring the draw, like an amp clamp, or an in-line amp meter?
"Knowledge is a weapon. Arm yourself, well, before going to do battle."
"Understanding a question is half an answer."
I have learned more by being wrong, than I have by being right. :-)

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