Toyota 4afe Ecu — Pinout

Power Grounds for injectors and heavy-load components. 2. Ignition and Timing Crucial for starting and maintaining a smooth idle.

A "dead spot" in the throttle position sensor signal will cause hesitations during acceleration. Safety and Best Practices toyota 4afe ecu pinout

Always pull the negative terminal before probing ECU pins. Power Grounds for injectors and heavy-load components