Cuando hacemos cambios de motor un elemento fundamental es entender el pinout de la ECU para poder hacer el transplante del motor correctamente y que este funcione según lo recomendado por el fabricante. En esta ocasión te traemos el pinout de la computadora de los motores toyota 4AGE 20V AE101 de 1991 a 1995 tienen 3 enchufes identificado como:
Motor con caja mecánica
- L (12 pines),
- M (16 pines) y
- N (26 pines)
Motor con caja automática
- M (16 pines) y
- N (26 pines) si cuenta con caja automática.
La numeración de los terminales empieza en la esquina superior izquierda si vemos el conector de frente (La parte superior se entiende si se mira el plug con el seguro para arriba). Algunos colores pueden variar. La siguiente tabla aplica a los 4AGE 20V con caja mecánica.
Enchufe y Terminal | ECU PCB Code | Color | Conectado a | Función |
L1 | +B1 | B/R | Battery via EFI fuse and EFI Main Relay | Power to ECU |
L2 | BATT | R/W | Battery via EFI fuse | Power to ECU memory |
L3 | CCO | Y/G | CCO terminal on diagnostics plug and water temp sensor (?) | |
L4 | Not Used | |||
L5 | AC2 | B/Y | A/C Computer? | Air Conditioning |
L6 | A/C | R/Y | A/C Computer? | Air Conditioning |
L7 | +B | B/R | Battery via EFI fuse and EFI Main Relay | Power to ECU |
L8 | W | Y/R | Ground via Check Engine Light | Diagnostics |
L9 | EGW | R | Ground via Check Engine Light | Diagnostics |
L10 | AC1 | Y/B | Air Conditioning Computer? | Air Conditioning |
L11 | SPD | Purple/W | Ground via Speed Sensor | Speed Sensor |
L12 | ELS1 | G/W | Stop Light Switch connection to lights | Emissions Control when brakes on |
M1 | THE | R | ? | ? |
M2 | VS | Y/W | Air Flow Meter flap valve variable resistor | Measures AFM flap opening |
M3 | THA | Y/B | Air Flow Meter Inlet Air Temp sensor | Measures inlet air temperature |
M4 | THW | W | Ground via Water Temp Sensor | Measures engine water jacket temperature |
M5 | TT (?) - Not Used | B | T terminal on diagnostics plug | Diagnostics |
M6 | OX | B | OX terminal on diagnostics plug and O2 sensor | Lambda Sensor |
M7 | TE2 | G/W | TE2 terminal on diagnostics plug | Diagnostics |
M8 | VF | R/W | VF terminal on diagnostics plug | Diagnostics |
M9 | E2 | Br | Sensors | Sensor Ground |
M10 | VTA | R | Throttle Position Sensor variable resistor | Measures throttle position |
M11 | VC | Y | AFM and TPS | Power to AFM and TPS variable resistors |
M12 | IDL | B | TPS Idle microswitch | Signals throttle at idle |
M13 | OXL1 | R/B | O2 Sensor | Lambda Sensor |
M14 | KNK | Knock Sensor | Knock Sensor | |
M15 | TE1 | BL/W | TE1 terminal on diagnostics plug | Diagnostics |
M16 | Not Used | |||
N1 | ELE2 | B | Idle Up (?) | |
N2 | STA | B/W | ST1 terminal on Ignition Switch | Start Signal |
N3 | IGF | B/Y | Igniter | Igniter |
N4 | NE | B | N2 Distributor | RPM Signal |
N5 | G2 | G | G2 Distributor | |
N6 | Not Used | |||
N7 | VVT | Purple/B | VVT Solenoid | Cam Advance |
N8 | ISC | BL/W | Air Conditioner (?) | |
N9 | Not Known | W | ||
N10 | Not Known | W/G | ||
N11 | #3 | B/W | Injector #3 | Pulse to Injector #3 |
N12 | #1 | B/Y | Injector #1 | Pulse to Injector #1 |
N13 | E01 | B/R | Ground | ECU Ground |
N14 | Not Known | Pink/B | ||
N15 | Not Used | |||
N16 | IPV | BL/W | VSV (Parge) (?) | Part of vacuum system under intake |
N17 | G- | W | G- on Distributor | |
N18 | G1 | R | G1 on Distributor | |
N19 | L3 | G/R | Idle Up Computer | |
N20 | L2 | G/O | Idle Up Computer | |
N21 | L1 | G/W | Idle Up Computer | |
N22 | IGT | B | Igniter | Igniter |
N23 | #4 | B | Injector #4 | Pulse to Injector #4 |
N24 | E1 | Br | Ground | ECU Ground |
N25 | #2 | B/R | Injector #2 | Pulse to Injector #2 |
N26 | EO2 | Br | Ground | ECU Ground |
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Buenos días estimado, muy
Buenos días estimado, muy buena la info, le consulto, esto cumple con la computadora del AE92 GTS '88??? A medida de lo posible puedes subir un diagrama grafico??? Gracias, Saludos.
hola amigo, esto es cierto en
hola amigo, esto es cierto en la medida que el motor que tenga tu AE92 sea el mismo.