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| Pin | Signal Name | Wire Color | Description | | :--- | :--- | :--- | :--- | | C1 | STA | B-W (Black-White) | Starter Signal (from ignition switch) | | C2 | NSW | B-R (Black-Red) | Neutral Start Switch (Park/Neutral for auto) | | C3 | A/C | R-Y (Red-Yellow) | A/C Request Signal (from HVAC panel) | | C4 | SPD | V (Violet) | Vehicle Speed Signal (Pulse output to cluster) | | C5 | FAN | G-R (Green-Red) | Cooling Fan Relay (High speed) | | C6 | FAN2 | G-W (Green-White) | Cooling Fan Relay (Low speed) | | C7 | STP | G-W (Green-White) | Stop Light Switch (Brake pedal) | | C8 | STP2 | R-G (Red-Green) | Stop Light Switch (for cruise control) | | C9 | IMO | L-W (Light Blue-White) | Immobilizer Amplifier (Key transponder) | | C10 | IMO2 | L-B (Light Blue-Black) | Immobilizer Ground/Data | | C11 | MIL | R (Red) | Malfunction Indicator Lamp (Check Engine light) | | C12 | TACH | W (White) | Tachometer Output (Engine RPM) | | C13 | TC | BR (Brown) | Diagnostic Trouble Code trigger (SST) | | C14 | DLC3 | W-B (White-Black) | Data Link Connector (Pin 7 - K-Line or CAN) | | C15 | CANH | Shielded (White) | CAN High (OBD port pin 6) | | C16 | CANL | Shielded (White-Black) | CAN Low (OBD port pin 14) | | C17 | PRNDL1 | L (Blue) | Transmission Range: P (Auto only) | | C18 | PRNDL2 | L-Y (Blue-Yellow) | Transmission Range: R (Auto only) | | C19 | PRNDL3 | L-R (Blue-Red) | Transmission Range: N (Auto only) | | C20 | PRNDL4 | L-W (Blue-White) | Transmission Range: D (Auto only) | | C21 | HAZ | G (Green) | Hazard Input (for engine lock) | | C22 | STP-L | R-L (Red-Blue) | Brake light monitor | | C23 | P/W | Y (Yellow) | Power Window relay (certain variants) | | C24 | IG-SW | B-R (Black-Red) | Ignition Switch (for ECU wake-up) | toyota 2kd-ftv ecu pinout diagram
Pin locations are counted facing the wire harness side (the back of the connector where wires enter), not the ECU side. Connectors have a locking tab – usually on the top or side. Pin #1 is often indicated by a small triangle or square marking. How do I obtain an Owner's Manual, Navigation
These pins provide the foundational voltages required for processor operation and sensor referencing. Signal Name Description Voltage/Type Battery Power Main switched power from EFI relay BATT Constant Power Continuous battery backup memory 12V DC (Always) IGSW Ignition Switch Ignition key 'ON' signal position 12V DC (Ignition ON) VC Sensor Voltage Regulated sensor power supply 5V DC (Constant) E1 ECU Ground Primary housing/ground connection 0V (Chassis Ground) E2 Sensor Ground Dedicated clean ground for sensors 0V (Isolated) 🔍 Critical Engine Sensor Inputs Pin #1 is often indicated by a small
The Toyota 2KD-FTV ECU pinout diagram is a roadmap to the engine’s brain. While this guide provides the standard Denso configuration, always respect that wire colors and pin assignments can vary by chassis (Hilux vs. Fortuner) and emissions standard (Euro 3 vs. Euro 4+).