Controls the main relay, ignition, and power distribution.
This guide provides a detailed overview of the 1KZ-TE ECU (Engine Control Unit) connectors, focusing on the 3.0L turbo-diesel engine, which typically uses a 26-16-22 pin configuration, though variations exist. 1. What is the 1KZ-TE ECU? 1kz ecu pinout
Permanent 12V battery power used to maintain the ECU’s fault code memory. Controls the main relay, ignition, and power distribution
As Tom continued to study the diagrams, he encountered a group of pins related to the engine's vital signs: What is the 1KZ-TE ECU
Looking directly into the ECU header pins (with the locking tabs on top), the plugs are generally arranged from left to right:
Note: exact pin positions vary by ECU model. This list groups common signals and their typical roles.
| Terminal | Wire Color | Signal | Description | | :--- | :--- | :--- | :--- | | A1 | B-R (Black-Red) | +B | Main ECU Power (12V) | | A2 | B-W (Black-White) | +B1 | ECU Power (for actuators) | | A3 | W-B (White-Black) | E1 | ECU Ground | | A4 | B (Black) | E2 | Sensor Ground | | A5 | B-Y (Black-Yellow) | M-REL | Main Relay Control | | A6 | L (Blue) | #10 | Injector Driver (Cyl 1) | | A7 | L-R (Blue-Red) | #20 | Injector Driver (Cyl 2) | | A8 | L-B (Blue-Black) | #30 | Injector Driver (Cyl 3) | | A9 | L-Y (Blue-Yellow) | #40 | Injector Driver (Cyl 4) |