4afe Ecu Pinout [extra Quality] - Toyota

| Code | Fault | Related Pins | |------|-------|----------------| | 11 | No IGF signal | Pin 13 (IGF) | | 12 | No G signal (distributor) | Pin 11 (G-) | | 13 | No NE signal (cam/crank) | Pin 11 circuit | | 14 | No IGt signal | Pin 12 (IGt) | | 21 | Oxygen sensor fault | Pin B4 (O2), B5 (HT) | | 22 | Coolant temp sensor | Pin 10 (THW) | | 24 | Intake air temp | Pin B7 (ACT) | | 31 | Airflow meter/MAP | Pin 9 (PIM) | | 41 | TPS circuit | Pin 7 (VTA), Pin 8 (VC) | | 51 | Switch condition (A/C, NSS) | Pin A14, B2, B10 |

Need 94/95 and 96 ecm connection pinouts - Toyota Forum toyota 4afe ecu pinout

If this sensor fails, the ECU may think the engine is permanently cold (-40°C), causing it to run extremely rich. | Code | Fault | Related Pins |

The ECU processes various sensor inputs to control vital engine outputs: Always verify the part number on the ECU

4AFE wiring diagram PDF, 4A-FE distributor pinout, Toyota 4AFE ECU pinout 1994, 4AFE swap wiring guide, 4AFE diagnostics TE1 E1.

: The AE92 (1988–1992) and AE101 (1993–1997) have different pin layouts. Always verify the part number on the ECU sticker before pinning. Ignition Type : Distinguish between the internal igniter (inside the distributor) and external igniter