ECU Shootout
1JZ/2JZ swap
Photo: Skif113 · CC0 · Wikimedia Commons ↗

1JZ/2JZ swap standalone ECUs

Toyota's JZ-family straight-six engines, the 2.5-litre 1JZ and 3.0-litre 2JZ, commonly swapped into other vehicles.

Chassis
1JZ/2JZ
Engines
1JZ-GTE/1JZ-GE/2JZ-GTE/2JZ-GE (VVT-i and non)
Layout
6-cylinder

You have 1 plug-in ECU option for the 1JZ/2JZ swap from Haltech. The cheapest complete setup is Haltech at US$2,495 including the ECU. 55 wire-in ECUs can also run this engine with a custom loom, from US$275.

Prices checked and include the ECU.

Your options for this engine

New to this? Three ways to fit an aftermarket ECU explains each one in five minutes.

Plug-in ECUs for the 1JZ/2JZ swap

1 options, cheapest first. Each one links to its full specs and sellers.

Haltech

HT-220205 NEXUS Rebel JZ

1JZ/2JZYears not listed1JZ-GTE/1JZ-GE/2JZ-GTE/2JZ-GE (VVT-i and non)

ECU + terminated harness; R154 manual; R35 coil conversion; no ETCS-i, no seq. twin turbo

Swap / patch loom
US$2,495USD excl. tax as listed on haltech.comHaltech Nexus Rebel JZ specs & sellers →Maker's page ↗

Wire-in ECUs that can run this engine

Cheapest current unit from each brand with at least 6 injector and ignition outputs, so it runs fully sequential.

Add a loom: built by your tuner or a loom maker. Filter every wire-in ECU by features and price

Find a tuner for these ECUs

Shops with their own dyno that tune the brands above.

About the makers: Haltech

Other engine swaps