Nissan Zexel Ecu | Pinout
| Pin | Wire Color | Function | Notes | | :--- | :--- | :--- | :--- | | B1 | Black | Power Ground | Heavy gauge – to engine block | | B2 | White | Alternator L-terminal | Charge lamp control | | B3 | Gray/Red | Tachometer Output | 0-12V square wave | | B4 | Blue/Yellow | Glow Plug Relay Control | Activates pre-heat | | B5 | Green/Red | EGR Solenoid (if equipped) | PWM duty cycle | | B6 | Black/Yellow | Stop Lamp Switch input | Fuel cut on decel | | B7 | Orange | Check Engine Lamp (MIL) | Switched ground | | B8 | Purple | Diagnostic Request (K-Line) | ISO 9141 (5V idle) | | B9 | Pink | Accelerator Pedal Position (APP) secondary | For automatic trans | | B10 - B24 | Various | Injector timing feedback, neutral switch, A/C cut | Consult specific diagram |
The Nissan Zexel ECU typically has a 96-pin or 144-pin connector, depending on the specific model and application. The pinout layout is divided into several sections, each corresponding to a specific function or group of signals. nissan zexel ecu pinout
: If the "Check Engine" lamp (Pin 18) flashes rapidly, it often indicates a NATS (Immobiliser) fault rather than a mechanical sensor issue. Harness Verification | Pin | Wire Color | Function |