| Terminal No. (Symbol) | Wiring Color | Condition | Specified Condition | | :--- | :--- | :--- | :--- | | | Y (Yellow) | Ignition switch ON | 9 - 14 Volts | | A24-5 (+B) - E7-1 (E1) | W-R (White-Red) | Ignition switch ON (EFI relay ON) | 9 - 14 Volts | | E5-23 (VC) - E7-1 (E1) | Y-B (Yellow-Black) | Ignition switch ON | 4.5 - 5.5 Volts | | E6-13 (IGT1) - E7-1 (E1) | B (Black) / W (White) | Engine idling | Pulse generation (Use oscilloscope) | | E7-30 (OX1B) - E7-1 (E1) | B (Black) | Engine running at 2,500 rpm | 0.1 - 0.9 Volts (Fluctuates) | | E8-12 (THW) - E7-1 (E1) | B-R (Black-Red) | Engine coolant temp. 80°C (176°F) | 0.2 - 1.0 Volts |
Often handles power, grounds, and fuel injectors. 2uzfe ecu pinout
Tells the ECU that the engine is cranking. This advances ignition timing for easier starting. Connect this to the crank side of your ignition switch. Fuel Pump Control | Terminal No
: Electronic Throttle Control System-intelligent (ETCS-i). Tells the ECU that the engine is cranking
Constant memory power to keep diagnostic trouble codes (DTCs) stored.
Turn the key to "ON". If you do not see 12V at the +B pin, your EFI relay is wired incorrectly or broken.