The following tables provide a breakdown of the common pin assignments for the 4AFE ECU:
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| Pin # | Description | | --- | --- | | 23-35 | Unused or reserved for future use | toyota 4afe ecu pinout
| Pin # | Description | | --- | --- | | 4 | Engine Coolant Temperature (ECT) Sensor | | 5 | Intake Air Temperature (IAT) Sensor | | 6 | Throttle Position Sensor (TPS) | | 7 | Manifold Absolute Pressure (MAP) Sensor | | 8 | Crankshaft Position Sensor (CKP) | | 9 | Camshaft Position Sensor (CMP) | The following tables provide a breakdown of the