Wiring Diagram Daihatsu L9 Ecu Pinout Updated

Wiring Diagram Daihatsu L9 Ecu Pinout Updated

Daihatsu Move L9 (1998–2002) utilizes various ECU pinouts depending on the engine type, such as the 660cc EF-DET or the 1.0L EJ-DE/EJ-VE. Accurate wiring is critical for engine swaps or troubleshooting to avoid permanent ECU damage. ECU Pinout Overview for EF-series Engines

General Pinout Guides: Community-shared EF engine ECU pinout collections often include photos of the plugs and PCBs. Wiring Diagrams for Diagnostic Comparison wiring diagram daihatsu l9 ecu pinout

Voltage Testing: Most sensor signals (like MAP or TPS) operate on a 5V reference. If you see 12V on these lines, there may be a short to the power rail. Daihatsu Move L9 (1998–2002) utilizes various ECU pinouts

ECU Pinout

| Pin Number | Pin Name | Description | | --- | --- | --- | | 1 | BATT | Battery voltage supply | | 2 | IG | Ignition switch input | | 3 | ST | Starter motor input | | 4 | THA | Throttle angle sensor input | | 5 | THT | Throttle temperature sensor input | | 6 | IAT | Intake air temperature sensor input | | 7 | MAP | Manifold absolute pressure sensor input | | 8 | O2 | Oxygen sensor input | | 9 | COOL | Coolant temperature sensor input | | 10 | INJ1 | Fuel injector 1 output | | 11 | INJ2 | Fuel injector 2 output | | 12 | INJ3 | Fuel injector 3 output | | 13 | IGT | Ignition timing output | | 14 | ISC | Idle speed control output | | 15 | FP | Fuel pump output | | 16 | AC | Air conditioning compressor output | | 17 | FAN | Cooling fan output | | 18 | MIL | Malfunction indicator lamp output | | 19 | EGR | Exhaust gas recirculation valve output | | 20 | GND | Ground | Wiring Diagrams for Diagnostic Comparison Voltage Testing :

Standard L9 ECUs typically use two primary connectors (Connector A and B) to manage the engine and safety systems. Pin Category Common Pins (Labels) Power & Ground +B1, +B2, BAT Main power supply and backup power E01, E1, E2 Grounding for sensors and power circuits. Ignition/Fuel Fuel injector control (often paired #1/#3 and #2/#4). Ignition signals for spark delivery. PIM (Manifold Pressure) Turbo models use this for boost monitoring. Coolant and intake air temperature sensors Oxygen sensor and knock sensor. Diagnostics Check Engine Light indicator. monitor terminals for diagnostics. Interesting Feature: The "Self-Diagnostic" Flash Mode