| | Wire Color (Example) | Typical Function | Notes | | :--- | :--- | :--- | :--- | | Power & Ground | | A1 | Yellow/Red | Main Power (Constant) | +12V from battery, always live. | | A3 | Black/White | ECU Ground (Power) | High-current ground for injectors, coils. | | A6 | Black | ECU Ground (Sensor) | Sensor return ground. | | A30 | White/Red | Main Relay Control | Switched +12V to ECU after key-on. | | Sensors | | A12 | Light Green/Red | MAP Sensor Signal | Manifold Absolute Pressure signal input. | | B1 | Gray/Red | Ignition Signal (IG1) | Ignition switch signal. | | B2 | Blue/Red | Engine Speed Signal | Tachometer output from ECU to dashboard. | | B8 | White | O2 Sensor Signal | Heated Oxygen Sensor input for fuel trim. | | B9 | Yellow | Throttle Position Sensor (TPS) | Signal from the throttle position sensor. | | B10 | Blue/Black | ECT Sensor Signal | Engine Coolant Temperature sensor input. | | B15 | Blue/White | Camshaft Position Sensor (CMP) | Signal from the cam sensor (on heads w/o distributor). | | B16 | Yellow/Black | Vehicle Speed Sensor | Signal from the speedometer/transmission. | | B23 | Black/Red | Crankshaft Position Sensor (CKP) | Signal from the crank sensor on the crankshaft pulley. | | Actuators & Outputs | | A15 | Black/Red | Injector #1 | Ground-side control for injector #1. | | A16 | Black/Yellow | Injector #2 | Ground-side control for injector #2. | | A17 | Black/Green | Injector #3 | Ground-side control for injector #3. | | A31 | Green/Red | Ignition Coil/Transistor #1 | Ignition signal for coil pack #1. | | A32 | Green/Yellow | Ignition Coil/Transistor #2 | Ignition signal for coil pack #2. | | A33 | Green/Black | Ignition Coil/Transistor #3 | Ignition signal for coil pack #3. | | B17 | Red/Blue | Idle Air Control (IAC) | Signal to the idle air control valve. | | Communication & Diagnostics | | B25 | Black/Green | Check Engine Light (CEL) | Ground-side control for the Malfunction Indicator Lamp (MIL). | | B27 | Green | Diagnostic (K-Line) | K-line for OBD1-style diagnostics (early models). | | C8 | Blue/Red | CMP Sensor (Alternative) | Alternative pin for cam position sensor. | | C12 | Pink/Black | Fuel Pump Relay | ECU ground control for the fuel pump relay. |
Always look at the harness side (the plug) when counting pins, usually starting from the top left.
These lines execute the mechanical work dictated by the ECU.
Triggers the integrated igniters on the K6A's coil-on-plug (COP) setup. suzuki k6a engine ecu pinout repack
If you own a , Kei Works , Every , Wagon R , or Jimny (Sierra variants), you are likely familiar with the small but mighty K6A engine . This 658cc, 3-cylinder, DOHC 12-valve turbocharged (or naturally aspirated) powerhouse is a marvel of Japanese Kei-car engineering.
: This symptom points directly to a missing or reverse-wired Camshaft Position (CMP) sensor link. Without a valid engine speed signal, the ECU will not trigger fuel or ignition cycles.
This repack provides a consolidated guide for the most common 2-plug (60-pin + 34-pin) and 3-plug Denso configurations used in Jimny and Carry models. Core ECU Pinout Overview Most modern K6A ECUs use a multi-connector system (often ) to manage high-precision timing and fuel delivery. 1. Main Engine Power & Grounds Main Relay Supply: | | Wire Color (Example) | Typical Function
The Suzuki K6A engine ECU pinout repack allows you to adapt this lightweight, 660cc three-cylinder engine for custom projects, engine swaps, or standalone management. The K6A engine is highly popular in Suzuki Jimnys, Cappuccinos, Carry trucks, and custom buggy builds.
: Dedicated pins for the Manifold Absolute Pressure (MAP) sensor, water temperature, and vacuum pressure.
Measures engine load. Crucial for both turbo and naturally aspirated variants. | | A30 | White/Red | Main Relay
The ECU needs this data to calculate the "Air-Fuel Ratio" and timing. Water Temperature Sensor (ECT). THA: Intake Air Temperature (IAT). VTA: Throttle Position Sensor (TPS) signal. PIM: Manifold Absolute Pressure (MAP) sensor signal. OX: Oxygen Sensor (Lambda) signal.
But what exactly does "repack" mean in this context? It is not about compressing files. In automotive wiring, a "repack" refers to the systematic organization, verification, and documentation of every single wire in your ECU harness. This article provides a complete blueprint for performing a —from identifying pins to diagnosing common faults.