Car wiring diagrams: 1Jzgte Ecu Wiring Diagram, wiring diagram, wire wiring harness, schematic circuit diagram, wiring diagran, wireing diagram, wirring diagram, wiring daigram, wiring diagrams. This pin connects to Ground inside the engine ECU as required to turn the oxygen sensor .My friend and I are doing a JZ GTE VVTi swap into an MX Cressida. The engine with auto trans is from a JZX Chaser, believed to be a . My problem is finding an accurate wiring diagram or even an accurate ECU pinout..JZGTE Wiring Instructions. About our JZGTE Wiring Harnesses. Wiring Specialties JZGTE wiring harnesses are the industry leading wiring solution for your .