What do I need to reflash a Mazda ECU?
You need a windows vista laptop, flasher pro or equivalent, valid subscription to Mazda service information and if the vehicle has a transponder key you will need a PIN number from Mazda to allow registration of those keys and then the tool to interface with the theft module to input the PIN and register the keys with theft.
Can a dealer ohm out a Mazda ECU?
The IDS is a dealer only scan tool unfortunately. As for the code P0126, you can ohm out the ECT without a scan tool. As the temperature increases, the resistance should decrease or increase depending on the ECT sensor type (PTC or NTC).
Is it illegal to reprogram a Mazda ECU?
Unless you know what you are doing with reprogramming the computer, if you change the parameters in the program for the vehicle’s computer to change it’s performance it may be illegal and you may end up with a vehicle you have to take in to a dealer to have reprogrammed.
How do you program the key on a Mazda 3?
Basically, have 2 programmed FOBS and the new key to program. Insert programmed key, turn to on, then off. Repeat for key 2 and then the new key #3. I have done it quickly in sequence, and also slower waiting for the key light (?) to go out, but the third key will not work.
You need a windows vista laptop, flasher pro or equivalent, valid subscription to Mazda service information and if the vehicle has a transponder key you will need a PIN number from Mazda to allow registration of those keys and then the tool to interface with the theft module to input the PIN and register the keys with theft.
Unless you know what you are doing with reprogramming the computer, if you change the parameters in the program for the vehicle’s computer to change it’s performance it may be illegal and you may end up with a vehicle you have to take in to a dealer to have reprogrammed.
The IDS is a dealer only scan tool unfortunately. As for the code P0126, you can ohm out the ECT without a scan tool. As the temperature increases, the resistance should decrease or increase depending on the ECT sensor type (PTC or NTC).
How to pull and read ECU trouble codes?
Depress brake pedal for at least 5 seconds. Reconnect battery cable. 2) Ground test connector with jumper wire. Turn ignition on, but do not start engine for 6 seconds. Operate engine at 2000 RPM for 2 minutes. Verify no codes are displayed.