| Pin Function Diagrams 740/760 4 cylinder B230F (1985-88) or B230FT (1985-89) with LH 2.2 EFI and EZK Ignition |
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Updated: December 26, 2025
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Page 1 |
| Page 2 The fuel pump relay shown below requires a coil tachometer signal from the EZK ICU pin 17 to the ECU pin 1 to activate a signal for the relay. More about this can be found in the Fuel Pump and Fuel Pump Relay Page.  |
Page 3 |
| Page 4 The fuel pump relay shown in another diagram above requires a coil tachometer signal from the ICU pin 17 below to the ECU pin 1, which then is used by the ECU to activate a signal for the fuel pump relay. This ICU below receives engine RPM signals via pin 24 from ignition distributor pin 2. More about Fuel Pump Relays this can be found in the Fuel Pump and Fuel Pump Relay Page.  |
