car diagnostic tool

How to Install Diesel Chips 1Refer for your factory service manual to locate the injection manage computer. For those who do not have a manual, comply with the fuel injection wiring harness from the injectors to the firewall. Go inside the vehicle, look under the dashboard and comply with the wiring harness to the computer system. Common areas incorporate behind the factory kick panels (the trim pieces just beneath the dashboard and ahead with the doors), behind the glove compartment, inside the center console and under the seats.

Disconnect the negative battery cable.2Remove the factory trim to access the laptop or computer. Kick panels will typically come off by removing several Phillips-head screws. To access an under-seat handle module, you may need to have to eliminate the bolts that hold the seat towards the floor and remove the seat. Get rid of the two to 4 bolts that secure the manage personal computer towards the body and pull the personal computer absolutely free. Meticulously get rid of the wiring harness locking tabs and unplug the harness from the computer.3Slide the personal computer out in the outer situation to expose the PROM chip plugged in to the back. A PROM chip is like a vinyl record containing the fuel injection "map" (operating parameters); like a vinyl record, the chip can not be re-written once the system has been installed.

Take away the screws car diagnostic tool, tape or locking tabs that secure the PROM chip to the laptop and very carefully unplug the chip.4Plug the new chip in location of your old 1 in specifically the exact same orientation. In case your factory chip did not use any kind of locking device, then you might look at wrapping a piece of high-strength duct tape about the chip to secure it to the personal computer.5Reassemble the computer and re-mount it within the reverse order of removal. Reinstall the trim and reconnect the negative battery cable. You may have to have to leave the key on the "on" position to get a period of time to allow the chip to interface with the computer system. Contact your chip manufacturer in case you see a examine engine light or the automobile fails to start Auto code scanner.