Receives signal from the MAP sensor to determine engine load.
| | Function | Signal Type | Notes | | :--- | :--- | :--- | :--- | | Power & Ground | | B+ (varies) | Battery constant power | 12V DC | Maintains ECU memory | | +B1 (varies) | Main relay output | 12V DC | Powers injectors and sensors | | IG1 (varies) | Ignition-switched power | 12V DC | Typically 7.5A fuse protected | | E1, E2 | ECU ground | Ground | Multiple grounds; poor connection causes random faults | | Sensors | | VCC1/VCC2 | Sensor reference voltage | 5V DC | For TPS, MAP, and temperature sensors | | VTA (varies) | Throttle position sensor signal | 0-5V analog | Idle: ~0.5V, WOT: ~4.5V | | PIM (varies) | MAP sensor signal | 0-5V analog | Vacuum-dependent voltage | | THW (varies) | Coolant temperature sensor | Varies with temp | High voltage when cold | | THA (varies) | Intake air temperature | Varies with temp | Integrated into air flow meter on some models | | OX1 (varies) | Oxygen sensor (primary) | 0-1V fluctuating | Switches rapidly when in closed loop | | Ne+ (varies) | Crankshaft position sensor (+) | AC sine wave | Essential for engine running | | Ne- (varies) | Crankshaft position sensor (-) | AC sine wave ground return | | | G1 or G2 (varies) | Camshaft position sensor | Digital pulse | For sequential injection timing | | KNK (varies) | Knock sensor | AC signal | Some EF-SE variants may omit this | | Actuators | | #10 (varies) | Fuel injector bank 1 | Switched ground | Pulse width modulated by ECU | | #20 (varies) | Fuel injector bank 2 | Switched ground | (If second injector driver exists) | | IGT (varies) | Ignition timing signal | 5V digital pulse | To igniter unit | | IGF (varies) | Ignition confirmation signal | Digital pulse | From igniter back to ECU | | FPR (varies) | Fuel pump relay control | Switched ground | Activates fuel pump relay | | Communications & Others | | 118 | Tachometer signal output | Digital pulse (12V) | Critical for gauge swaps | | W (varies) | Check engine light (MIL) | Switched ground | Illuminates warning lamp | | TC (varies) | Diagnostic connector (Trouble Code) | Digital | For reading flash codes | | SIL (varies) | Serial communication line | Digital | For diagnostic scanners |
If you need the full, factory-spec schematics, you can reference technical repair manuals, such as the Daihatsu EF Engine Manual on Scribd , which outlines specific diagnostic procedures and terminal testing. Final Thoughts daihatsu hijet efse ecu pinout hot
Be careful when mixing looms. For example, some EF-series engines changed Pin 10 from an earth (ground) to a 12V+ line between generations; mixing them can immediately blow the 15-amp engine fuse.
While specific pin locations can vary by production year and chassis (e.g., S210), standard EF-series engine management often includes these primary signals: : PIM : Manifold Absolute Pressure (MAP) sensor signal. THW : Engine coolant temperature sensor signal. VC : 5V constant supply for sensors. Receives signal from the MAP sensor to determine engine load
If you are troubleshooting a "no-start" or "no-spark" condition on an EF-SE Hijet, verify these critical pins:
ECU failures are rare. Before condemning your ECU, verify: For example, some EF-series engines changed Pin 10
Depending on the production year, the EF-SE ECU generally ships in a or a later three-plug module . The wiring configuration is designed to monitor atmospheric signals and drive outputs like the fuel pump relay and ignition coils. 🔌 Core ECU Pinout Configuration
Would you like a full pin-by-pin table for the EF-SE ECU (complete with typical voltages and recommended tests), or a mocked UI mockup layout for developers?
Data & defaults
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