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sprinkles08
sprinkles08, ASE Certified Technician
Category: Mitsubishi
Satisfied Customers: 21572
Experience:  ASE Master and Advanced level certified. Factory trained with 15 years dealership experience
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Can't read thru OBD port 2004 Mitsubishi Outlander, Not

Customer Question

Can't read thru OBD port 2004 Mitsubishi Outlander
JA: Are you fixing your Outlander yourself? What have you tried so far?
Customer: Not much. I was just browsing to see if there's a common problem. I checked fuses so far
JA: Most vehicles have two fuse panels. Have you located both?
Customer: I'm back. I was looking on my alldata now to see the fuse panel
JA: Anything else you want the mechanic to know before I connect you?
Customer: nope
Submitted: 2 months ago.
Category: Mitsubishi
Customer: replied 2 months ago.
I checked both fuse panel. I actually pulled the fuses out to make sure they good.
Expert:  sprinkles08 replied 2 months ago.

Hello and welcome to JustAnswer!

If you're unable to communicate using a scan tool or code reader it could be an issue with the tool itself, a connection issue at the data link connector, or there could be a bus communication issue. A module that has failed or lost a power or ground will not communicate, a short to power or ground on the bus network will also prevent communication.

What is the actual issue you're trying to diagnose?

Customer: replied 2 months ago.
Won't pass DEQ. I tried different scanners and same result. Key on "service engine soon" light on. Start engine "service engine soon" goes off. So far so good.
Key on and the cooling fan starts running, start engine still running, turn engine off and the damn thing will still run for 10 sec or more. I looked at the wiring and grounds and they appear ok.
Expert:  sprinkles08 replied 2 months ago.

You've owned the vehicle for some time and the fan hasn't operated this way?

Customer: replied 2 months ago.
It's my friend car. He just bought it. I'm helping him. So I don't really have much history on the car other then it's been sitting for the past 3 years due to this problem.
Expert:  sprinkles08 replied 2 months ago.

No warning lights stay on with the engine running?

Customer: replied 2 months ago.
Nope. Runs perfect. The only thing is the fun that's keep on running regardless.
Customer: replied 2 months ago.
Fan
Expert:  sprinkles08 replied 2 months ago.

Can you unplug the a/c transducer and see if anything changes?

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