Toyota 4afe Ecu Pinout ((top)) ❲PROVEN · Summary❳

The Toyota 4AFE ECU is typically a 16-bit unit with two main connectors: a and a 16-pin plug (sometimes 22+16, or 26+16 depending on the chassis). We will focus on the most common configurations found in the AE101 Corolla (1992–1997).

This connector handles extra sensors, tachometer, and diagnostics. toyota 4afe ecu pinout

| Pin | Signal | Description | |------|--------|--------------| | B1 | VTA | Throttle position sensor (TPS) signal | | B2 | VC | 5V sensor supply (TPS, MAP) | | B3 | E2 | Sensor ground | | B4 | VCC | 5V reference (MAP) | | B5 | PIM | MAP sensor signal | | B6 | THW | Coolant temp sensor signal | | B7 | THA | Intake air temp signal | | B8 | STA | Starter signal | | B9 | NSW | Neutral start switch (auto) / clutch (manual) | | B10 | SPD | Vehicle speed sensor signal | | B11 | G2 | Distributor G2 (cam position) | | B12 | G1 | Distributor G1 (cam position) | | B13 | NE+ | Distributor NE (crank position) positive | | B14 | NE- | Distributor NE negative | | B15 | IGF | Ignition confirmation signal (to ECU from igniter) | | B16 | IGT | Ignition timing signal (ECU to igniter) | The Toyota 4AFE ECU is typically a 16-bit

3-pin setup with Black/Blue (PWM signal), Black (12V), and Black/White (Ground). toyota 4afe ecu pinout

Controls the bypass air valve to maintain idle under load.