The 186 portable PDF clearly maps and E5-16 (CAN L) . Many aftermarket scanners fail because a previous mechanic tapped the wrong pins. Use the PDF to back-probe the ECU connector – correct CAN voltage is 60 ohms resistance between H and L with key off.
While the specific "186" document may vary by model year (2000–2005 vs. 2006+), the standard 2NZ-FE ECU (typically a Denso unit) uses specific pins for critical functions. Below is a generalized reference for the most commonly sought-after pins.
When testing live circuits, insert your probe gently into the back of the plastic connector where the wire enters. Never shove thick multimeter leads into the front of the female terminals, as this will bend them and cause permanent loose connections. 2nz fe ecu pinout pdf 186 portable
Toyota’s Direct Ignition System (DIS) featuring independent Ignition Coils with integrated Igniters (COP - Coil on Plug).
The 2NZ-FE Electronic Control Unit consists of a multi-connector configuration. Depending on the specific production year and model market (such as the Toyota Echo or Yaris), it typically uses a housed behind the vehicle's glove compartment. The 186 portable PDF clearly maps and E5-16 (CAN L)
While digital is great, reading tiny pin numbers on a glowing screen in bright daylight can be difficult.
The is a 1.3L engine commonly used in vehicles like the Toyota Echo , , and While the specific "186" document may vary by
| Pin | Connector | Wire Color | Signal | Notes | |------|-----------|------------|--------|-------| | +B | A-1 | White/Red | Main EFI relay output (12V) | Needs 12V with key-ON | | +B2 | A-2 | White/Red | Main EFI relay output 2 | Same as above | | E1 | A-21 | Brown | Power ground (ECU) | Must connect to battery - | | E01 | A-22 | White/Black | Injector ground | Connects to E1 | | E02 | A-23 | White/Black | Injector ground | Connects to E1 | | IGT1 | A-9 | Yellow | Ignition trigger #1 | To igniter | | IGT2 | A-10 | Light Green | Ignition trigger #2 | To igniter | | IGF | A-11 | Red/Blue | Ignition confirmation | From igniter | | #10 | A-14 | Light Green/Red | Injector 1 | 12V when off, ground pulse | | #20 | A-15 | Yellow/Black | Injector 2 | Same | | #30 | A-16 | Light Green/Black | Injector 3 | Same | | #40 | A-17 | Yellow/Red | Injector 4 | Same | | VTA1 | B-5 | Blue/Red | TPS signal | 0.3-4.8V | | VCC1 | B-2 | Red/Black | Sensor 5V ref | 5V out | | E2 | B-3 | Brown/White | Sensor ground | To E1 | | PIM | B-4 | Pink/Blue | MAP sensor | 1.5-4.5V | | THW | B-18 | Red/White | Engine coolant temp | High voltage when cold | | STA | D-5 | Black/White | Starter signal (key crank) | Needed to run |
