Wiring Diagram Daihatsu L9 Ecu Pinout Jun 2026

Main ECU power supply from the EFI relay, active when the ignition is ON. BATT: Constant battery backup power for memory. E1 / E01 / E02: Primary engine grounds. Sensor Inputs: PIM: Intake manifold pressure (MAP sensor) signal. THW: Engine coolant temperature (ECT) sensor signal. THA: Intake air temperature (IAT) sensor signal. VTA / VTHO: Throttle position sensor (TPS) signal. SPD: Vehicle speed sensor (VSS) signal. Actuator Outputs: #10, #20, #30: Fuel injector triggers. IGT1, IGT2, IGT3: Ignition timing signals for the coils. FC / FC1: Fuel pump relay control. W: Check Engine Light (CEL/MIL) output. Wiring Harness Color Codes (L9 JBDET Example)

Found in the L902S . This high-performance variant requires more complex pinouts to manage turbo boost and additional sensors. wiring diagram daihatsu l9 ecu pinout

The L9 Turbo ECU typically uses specific sockets (often referred to as Sockets A and B) to manage engine control and diagnostics. OBD-II Integration Main ECU power supply from the EFI relay,

Need the exact pinout for your specific L9 model year? Leave your ECU part number (the 12-digit number on the silver label) in the comments, and we’ll help you cross-reference it. Sensor Inputs: PIM: Intake manifold pressure (MAP sensor)