2000 mazda mpv diagnostic box

Question edited for a lot more clarity and toss in a LOAD of Caps
Question moved to model category.

Mazda Mpv LW5W OBD schematic from 17 pin to OBD2 16 ...

Mazda Forum https://www.mazdaforum.com > ... > Mazda MPV
Aug 7, 2015 - My Mpv has a 16 pin socket under the left side of the dash, kind of pointing down. The plug in you are looking at is for Mazda dealer ...

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SOLVED: Mazda mpv obd2 connector location

Fixya https://www.fixya.com > ... > MPV > 1998 Mazda MPV
Your ground wire connection for the OBD2 connector is located under the dash just below and to the right of the heater controls. More likely that you dont have ...
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Question edited for clarity.
Question moved to subcategory.

It appears to be a known issue. Ideally, you need an auto-electrician to diagnose with a pro grade high level scanner computer.

https://www.google.com/search?q=2005+mazda+mpv+no+display+on+dashboard

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If the fuel injection light is illuminated on the dashboard of your 1995 Mazda MPV, it means there is a problem with the fuel injection system. Here are the steps you can take to troubleshoot the issue:

1. Check for any other warning lights: If there are any other warning lights on the dashboard, it could be an indication of a bigger issue. Check the owner's manual for guidance on what to do next.
2. Check the fuel level: Make sure the fuel tank is not empty or low. If the fuel level is low, add fuel to the tank and see if the light turns off.
3. Check the fuel injection system components: Check the fuel injection system components, including the fuel filter, fuel pump, fuel pressure regulator, and fuel injectors. If any of these components are faulty, it could cause the fuel injection light to illuminate.
4. Check the connections: Check all electrical connections related to the fuel injection system. Loose or corroded connections can also cause the fuel injection light to come on.
5. Check the diagnostic trouble codes: If you have an OBD-II scanner, you can use it to check for diagnostic trouble codes (DTCs) that could be causing the fuel injection light to come on. The DTCs will give you a clue as to what the problem is.

If you are unable to diagnose the problem on your own, it's best to take your Mazda MPV to a certified mechanic who can diagnose and repair the issue for you.

16 years old. what service history? mileage? You may need a guy with the plug in diagnostic box. Don't just change parts in hope

Carlos, see if there is a fuse blown to the OBD2 port, the obd port some time shares with other accessories/things like cigarette lighter.
Check all fuses, the OBD will not work if fuse is blown.

check the timing belt

possible coil pack

Google the code & read up (OBD PO710) if that is it
I hope you know when you get codes,
that they do not mean you need to replace
a part
Codes only point to the system with the out of
range fault
You need diagnostic manuals to diagnose &
component test,no parts get replaced until they fail
a test.

That is an OBD2 Code PO740

Where is what,it is just a code

Torque Converter Clutch Circuit Malfunction

Need a dealer,repair shop or trans shop to diagnose

i would ask the mechanic to check the ignition switch for pitting ....i had this problem with my honda accord for a long time until i finally just switched it for the second time and sanded it down to the point that it would touch but not keep contact to make the pitting .... hope this helped