| Pin | Wire Color | Function | Electrical Spec | | :--- | :--- | :--- | :--- | | A1 | Black/White | ECU Ground (Power) | < 1 Ohm to chassis | | A2 | Black | ECU Ground (Sensor return) | 0V reference | | A3 | Black/Yellow | Ignition Switch 12V (IG1) | 12V with key ON | | A4 | Red/Black | Battery (Constant 12V Memory) | 12V always | | A5 | Blue/Red | Main Relay Control (To EFI relay) | Switched Ground | | A10 | White | Injector Cyl #1 | 12V pulse (High impedance) | | A11 | Yellow | Injector Cyl #2 | 12V pulse | | A12 | Light Green | Injector Cyl #3 | 12V pulse | | A15 | Brown/White | Ignition Coil #1 (Power Transistor) | 5V logic trigger | | A16 | Brown/Yellow | Ignition Coil #2 | 5V logic trigger | | A17 | Brown/Red | Ignition Coil #3 | 5V logic trigger | | A20 | Red | Fuel Pump Relay Control | Ground to activate | | A23 | Black/Red | Crank Position Sensor (Signal) | AC sinewave (0-5V) | | A24 | Blue | Crank Sensor Ground | 0V via ECU |
Q: What is the ECU connector type used on the K6A engine? A: The ECU connector type used on the K6A engine is typically a 32-pin or 48-pin connector. suzuki k6a engine ecu pinout
Later Jimnys route the immobilizer signal through (ID code box). If swapping ECUs, you must either bypass this or clone the transponder data. | Pin | Wire Color | Function |
Online resources, such as forums and enthusiast communities, can provide valuable information and support when working with the K6A ECU pinout. If swapping ECUs, you must either bypass this
Because pinouts vary significantly between model years and specific vehicles (e.g., vs. JB23 ), it is critical to match your ECU's part number (often starting with 33920- ) with the diagrams below. Common ECU Pinout Overview
: A faulty MAP sensor can prevent proper startup. If you're stuck, try disconnecting the MAP sensor to see if the engine defaults to a "limp mode" and starts.