4s-fe Ecu Pinout Instant

Here is the ECU pinout for a 4S-FE engine:

The ECU used in 4S-FE engines from 1990 to 1996 is the Toyota ECU type " 89661-..." or " 89761-...".

Here is a basic pinout of the ECU:

The 4S-FE engine is a 1.8L inline-4 cylinder engine produced by Toyota, used in various models such as the Toyota Camry, Corolla, and Solara.

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| Pin # | Signal Name | Description | | --- | --- | --- | | 1 | EGT | Engine Ground | | 2 | IGT | Ignition Timing Signal | | 3 | IGF | Ignition Feedback Signal | | 4 | GND | Ground | | 5 | +B | Battery Voltage | | 6 | THA | Throttle Angle Sensor ( TPS) | | 7 | ODO | Odometer Signal | | 8 | ISC | Idle Speed Control | | 9 | SFT | Shift Solenoid (Automatic Transmission) | | 10 | L | Fuel Pump Relay | | 11 | W | Fuel Pump Monitor | | 12 | RCO | Resistance (Resistor) Check Output | | 13 | NE | Engine Speed Sensor (CKP) | | 14 | NTC | Coolant Temperature Sensor (ECTS) | | 15 | AFS | Air/Fuel Sensor (Oxygen Sensor) | | 16 | A/F | Air/Fuel Mixture Control | | 17 | Rx | Serial Communication Receive | | 18 | Tx | Serial Communication Transmit | | 19-26 | - | Not Used | Here is the ECU pinout for a 4S-FE

| Pin # | Signal Name | Description | | --- | --- | --- | | 1 | +5V | 5V Reference Voltage | | 2 | GND | Ground | | 3 | VS | Vehicle Speed Sensor | | 4 | IAC | Idle Air Control Valve | | 5 | ISC2 | Idle Speed Control (auxiliary) | | 6 | F | Fuel Injector 1 ( Cylinder 1) | | 7 | F2 | Fuel Injector 2 (Cylinder 2) | | 8 | F3 | Fuel Injector 3 (Cylinder 3) | | 9 | F4 | Fuel Injector 4 (Cylinder 4) | | 10 | IG | Ignition Coil | | 11 | - | Not Used | | 12-28 | - | Not Used |