Isuzu 4hl1 Ecu Pinout [cracked]

Safety / Interlocks

Output signal from the ECU to close the main power relay, supplying high-current power to the ECU. isuzu 4hl1 ecu pinout

Cooling & Idle control

These pins receive signals that tell the ECU how the engine is performing: : Sends RPM and timing data. Safety / Interlocks Output signal from the ECU