The Daihatsu Hijet EF-SE is a fantastic platform for a unique performance build. While it presents its own set of challenges, mastering the ECU pinout is the foundational step to unlocking a new level of power and control. Whether you are installing a piggyback system to optimize the fuel maps, troubleshooting a faulty sensor using Pin 10's diagnostic mode, or calibrating a new tachometer on Pin 118, a clear understanding of these pins and signals is your most powerful tuning tool.
The following pin configuration applies directly to the JDM and export-market Denso control units running the naturally aspirated EF-SE variants. Plug 1 (22-Pin Reference) Circuit Description Signal Type E1 Main Engine Ground Circuit Ground Reference 2 VC 5V Sensor Power Supply Output (5V) 3 PIM Manifold Absolute Pressure (MAP) Sensor Input (Analog) 4 THW Engine Coolant Temperature (ECT) Sensor Input (Analog) 5 N+ Crankshaft/Camshaft Position Signal (+) Input (Frequency) 6 IDL Idle Switch (Throttle Position Sensor) Input (Digital) 7 SPD Vehicle Speed Sensor (VSS) Input (Pulse) 8-10 Unused / Blank Configuration 11 +B1 Switched Main Relay Power Input (+12V) 12 E2 Sensor Ground Return Line Ground Reference 13 OX Oxygen Sensor (O2) Signal Input (0–1V) 14 THA Intake Air Temperature (IAT) Sensor Input (Analog) 15 T Diagnostic Test Terminal (OBD-1 Jump Link) Input (Digital) 16 N- Crankshaft/Camshaft Position Signal (-) Ground Reference 17 PSW Power Throttle Switch Position Input (Digital) 18 AC Air Conditioner Request Switch Input (Digital) 19 A/T Automatic Transmission Line Connection Input/Output 20-21 Unused / Blank Configuration 22 +B2 Backup Switched Main Power Input (+12V) Plug 2 (12-Pin Reference) Circuit Description Signal Type 1 #10 Injector Cylinder 1 Control Output (PWM Ground) 2 #20 Injector Cylinder 2 Control Output (PWM Ground) 3 #30 Injector Cylinder 3 Control Output (PWM Ground) 4 IGT Ignition Timing Control Trigger Output (5V Pulse) 5 IGF Ignition Feedback Confirmation Signal Input (Digital) 6 ISC Idle Speed Control Valve Control Output (PWM Ground) 7 FPR Fuel Pump Relay Control Signal Output (Active Ground) 8 W Check Engine Light / Malfunction Indicator Output (Active Ground) 9 BAT Continuous Battery Memory Power Input Constant (+12V) 10 E01 Power Stage System Ground 11 E02 Power Stage Actuator Ground 12 FC Fuel Cut / Main Relay Safety Control 3. Critical Wiring Diagnostics Power and Ground Infrastructure
Are you troubleshooting an or performing a custom wire tuck / engine swap ?
| Pin # | Signal Name | Description | | --- | --- | --- | | 1 | BATT | Battery voltage | | 2 | IGN | Ignition switch signal | | 3 | ST | Starter motor signal | | 4 | Fuel Pump | Fuel pump control signal | | 5 | Injector 1 | Fuel injector 1 control signal | | 6 | Injector 2 | Fuel injector 2 control signal | | 7 | Injector 3 | Fuel injector 3 control signal | | 8 | O2 Sensor | Oxygen sensor signal | | 9 | TPS | Throttle position sensor signal | | 10 | MAP | Manifold absolute pressure sensor signal | | ... | ... | ... | daihatsu hijet efse ecu pinout hot
The EF-SE engine differs from its twin-cam siblings (like the EF-VE) by utilizing a single overhead cam setup with a streamlined electronic management footprint. The ECU relies on distinct plugs—often an split configuration separating engine sensors from power distribution and chassis inputs.
Kenji wiped his forehead, leaving a streak of black oil. "The manual I found is for the older EF-VE. This is the SE. The pins are mirrored, or worse."
The Electronic Control Unit (ECU) manages fuel delivery, ignition timing, and emission controls based on various sensor inputs. Unlike the twin-cam variants (such as the EF-VE), the EF-SE utilizes a simpler, single-cam configuration. However, it still relies on a multi-plug Denso or Daihatsu native wiring platform. The Daihatsu Hijet EF-SE is a fantastic platform
A common search intent for a "hot" ECU pinout involves thermal issues—either the physical ECU housing is burning to the touch, or individual pins are melting due to excessive resistance. If your Hijet is experiencing these issues, check the three primary culprits below: 1. Coroded or Missing Chassis Grounds
Before probing any connectors on your Daihatsu Hijet, keep these rules in mind to protect sensitive electronics: EFI SYSTEM
The single most sought-after EF-SE ECU pinout detail—the one that qualifies this guide as truly "hot" —is . This pin outputs the tachometer (engine RPM) signal directly from the ECU. The following pin configuration applies directly to the
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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.
Signal input from the Manifold Absolute Pressure (MAP) sensor. Water Temperature