Electronic control fuel injection system (Common rail type) 1E-21 About scan tool display ECM has different displays; KW and CAN. For data display, refer to appropriate section for Hitachi Construction Machinery.
Tech2, KW display CAN display Engine Model (EEPROM) Engine Model Engine Serial Number (EEPROM) Engine Serial Number ECM Parts Number (EEPROM) ECM Parts Number Software ID (EEPROM) Software Identification Q Resistance (EEPROM) Q adjustment data QR Code (EEPROM) QR code Starter Switch (On) — Starter Switch (ST) — EGR BLDC Position 1 — EGR BLDC Position 2 — EGR BLDC Position 3 — Glow Relay Switch — — Glow Signal Accelerator Sensor 1 Act Accel position System Voltage — Main Relay Voltage — — Battery Voltage Intake Air Temperature Sensor — Fuel Temperature Sensor — Engine Coolant Temperature Sensor — Idle Up Volume Sensor — Barometric Pressure Sensor — Differential Fuel Rail Pressure — Differential EGR Valve Position Sensor — Engine Speed Act.
Engine Speed Desired Engine Speed Request Engine Speed Intake Air Temperature Intake Air Temperature — Boost pressure — Boost Temperature Engine Coolant Temperature Coolant Temperature Fuel Temperature Fuel Temperature Barometric Pressure Barometric Pressure Engine Oil Pressure Engine Oil Pressure — Fuel Flow — Engine Torque — Trip used fuel — Total used fuel