: Receives critical input from the Crankshaft Position (CKP) Sensor (Pins 49, 46) and Camshaft Position (CMP) Sensor (Pins 48, 102).
Searching for "Isuzu 4HL1 ECU pinout link" usually yields three results: isuzu 4hl1 ecu pinout link
The 4HL1 uses a with a rail pressure sensor, IMV (inlet metering valve), and EUI-type injectors. Without the pinout, you’re guessing. : Receives critical input from the Crankshaft Position
For more information on the Isuzu 4HL1 ECU pinout link, consult the following resources: IMV (inlet metering valve)