tools required
10mm open end wrench for battery
soldering iron
solder
soldering flux
electrical tape
ratchet
9" extension for ratchet
10mm deep well socket
wire cutters


1- disconnect negative battery terminal.
2 - remove carpeting covering ECU.
3 - using a 10mm deep well socket remove the 4 nuts holding the ecu plate in place.
4 - unplug ECU and remove.
5 - follow the provided written instructions that pertain to your ECU.
A. take your wire cutters and using the proper cut depth cut the shielding around the wire. when you can rotate the wire cutter around the entire wire push back while holding onto the opposite side of the wire.

B. Wrap the wire from the o2 simulator around the now exposed wire going to the ECU.

C. coat the exposed wires with soldering flux.
D. melt a small amount of solder onto the tip of the soldering iron and tap the wires until they are coated in solder. when completed the wires should not be able to move from each other.
E. wrap the soldered connection with electrical tape tightly.
F. Repeat for the other 4 wires.

6 - Place o2 simulator behind wire harness

7 - replace the ECU
8 - plug ECU back in
9 - replace 4 nuts holding ECU in place
10 - replace carpeting
11 - reconnect negative terminal for your battery
12 - test drive. if your CEL comes back on check all connections again