Toyota: 4afe Ecu Pinout

: Verify 12V at the +B terminal and check that the STA (Starter Signal) pin receives voltage during cranking.

The 4A-FE wiring harness is friendly for Megasquirt conversion. You can re-pin the factory ECU connector: toyota 4afe ecu pinout

A: The 7AFE (1.8L version) ECU has different fuel maps and ignition timing. It will run a 4AFE, but poorly—rich at idle and lean at high RPM. Pinouts are similar but not identical. Not recommended. : Verify 12V at the +B terminal and

Below is the standard pinout for a 22-pin (B), 16-pin (A), and 16-pin (C) connector layout. View from the (back of the connector) with the locking tab facing up or down as noted. toyota 4afe ecu pinout