Toyota 2kd-ftv Ecu Pinout Diagram May 2026

The 2KD-FTV uses a Denso ECU (typically part numbers like 89661-0Kxxx or 89663-0Kxxx). The ECU has four main connectors labeled A, B, C, and D. Each connector is a 16-22 pin rectangular plug.

| Connector | Color | Typical Pin Count | Main Functions | |-----------|-------|------------------|----------------| | A | Gray | 22 | Power, grounds, injectors, fuel pump | | B | Black | 22 | Sensors (crank, cam, MAP, IAT, ECT) | | C | White | 16 | Actuators (SCV, EGR, turbo, glow plugs) | | D | Green | 16 | CAN bus, diagnostics, immobilizer, A/C |

Note: Pin numbering is usually embossed on the connector housing. Always verify with your specific ECU part number, as minor variations exist across vehicle models and years. toyota 2kd-ftv ecu pinout diagram

Located on Plug G or H.

| Pin Number | Function | Description | | :--- | :--- | :--- | | H-11 | CAN H | Can Bus High (Connects to OBD Pin 6) | | H-12 | CAN L | Can Bus Low (Connects to OBD Pin 14) | | F-4 | SIL | Serial Data (K-Line for older diagnostics) | The 2KD-FTV uses a Denso ECU (typically part

Located on Plug E or F.

| Pin Number | Function | Description | | :--- | :--- | :--- | | E-12 | NE+ (Crankshaft) | Crankshaft Position Sensor Signal (+) | | E-13 | NE- (Crankshaft) | Crankshaft Position Sensor Signal (-) | | E-25 | G+ (Camshaft) | Camshaft Position Sensor Signal (+) | | E-26 | G- (Camshaft) | Camshaft Position Sensor Signal (-) | | F-15 | THA | Intake Air Temp Sensor | | F-16 | THW | Engine Coolant Temp Sensor | | F-22 | PIM | Turbo Pressure Sensor Signal | | F-23 | VC | 5V Sensor Power Supply (MAP/TPS) | | F-24 | E2 | Sensor Ground Return | | F-30 | VTA1 | Throttle Position Sensor Signal | | F-31 | VTA2 | Throttle Position Sensor (Sub) | Located on Plug G or H

| Pin | Signal | Wire Color | Description | |-----|--------|------------|-------------| | A1 | +B (Main relay) | White/Black | 12V ECU main power input | | A2 | E1 | Brown | Power ground | | A3 | #1 Injector | Blue | Common rail injector 1 (cylinder 1) | | A4 | #2 Injector | Blue/Red | Common rail injector 2 | | A5 | #3 Injector | Blue/Yellow | Common rail injector 3 | | A6 | #4 Injector | Blue/White | Common rail injector 4 | | A10 | MREL | White/Red | Main relay control (ECU output) | | A14 | +B2 | Red/Black | Secondary 12V (sensor supply) | | A20 | E01 | Black/White | Injector driver ground |

This is where the ECU "feels" the engine.

| Pin | Wire Color | Signal | Description / Diagnostic Tip | | :--- | :--- | :--- | :--- | | B1 | Red/Blue | PIM | Manifold Absolute Pressure (MAP) – 0.5V idle, 4.5V boost | | B2 | Yellow/Black | CAL | Accelerator Pedal Position Sensor 1 (Main) | | B3 | Blue/Yellow | VPA | Accelerator Pedal Position Sensor 2 (Sub) | | B5 | Green/White | THW | Engine Coolant Temp (ECT) – ~2.5V cold, 0.5V hot | | B6 | Blue/Black | THA | Intake Air Temp (IAT) – Inside MAF sensor | | B10 | White | VG | Air Flow Meter (MAF) Frequency signal | | B12 | Red/Black | NE+ | Crankshaft Position Sensor (CKP) – 2.5V AC at crank | | B13 | Blue | NE- | CKP Ground | | B14 | Green | G+ | Camshaft Position Sensor (CMP) | | B15 | Yellow/Red | G- | CMP Ground | | B20 | Pink | STP | Brake Switch Signal (Stops cruise control) | | B22 | Light Green | NSW | Neutral Start Switch (Park/Neutral) | | B30 | Purple/White | VCM | Fuel Temperature Sensor (Inside SCV) | | B35 | Gray | KNK | Knock Sensor (Microphone signal for diesel knock) |