Daihatsu Hijet Efse Ecu Pinout Hot ((hot))

Connect a jumper wire between and Plug 1, Pin 1 (E1) . Turn the vehicle ignition to the ON position.

Implementation notes

The entire aluminum housing of the unit will feel excessively hot to the touch, eventually frying the capacitors. Step-by-Step Backprobing Guide daihatsu hijet efse ecu pinout hot

Working with automotive electrical systems carries risk of injury, fire, or permanent component damage. Always disconnect the battery before probing ECU connectors. Use a multimeter, not guesswork. If uncertain, consult a professional automotive electrician. Pin assignments vary by model year and market—this guide provides general reference, not a substitute for vehicle-specific factory documentation.

These must display a full +12V when the ignition key is turned to the "ON" position. They receive power directly via the EFI main relay. Connect a jumper wire between and Plug 1, Pin 1 (E1)

If you are stranded with a hot ECU that refuses to power the main relay (Pin 4 no ground), you can force power:

Check the voltage at Pin 2 (VC) against Pin 12 (E2) when the engine bay is hot. If the voltage drops below 4.75V, the internal regulator chip inside the ECU casing is failing, requiring professional circuit board repair or ECU replacement. If uncertain, consult a professional automotive electrician

Pin 10 is often used as a dedicated earth (ground).

EF-JL ECU ・ 1-26 Pins – Plug 2-16 Pins) Plug 1 (26 Pin) #1 Pin Top Left pin from loom plug perspective ・ 12- E01. 13- IG. 26- E03. Live To Dai EF Engine ECU Pinouts - DIY or TECHNICAL - Live To Dai

: Oil Control Valve for variable valve timing (if equipped). W / CEL : Check Engine Light (Warning light) control. Key Resources for Detailed Pinouts