Nissan Obd1 Pinout ((new)) -

Before you can check the pinout, you need to find the port. On most Nissan models from this era, the 14-pin diagnostic connector is located in the engine bay, typically on the passenger side (left side for US cars), near the fuse box or the firewall. It is usually a small, rectangular black or grey plastic housing.

This is normal. Nissan only installed the necessary pins. If you are missing Pin 6, 7, or 10, your ECU may not support full Consult communication (rare on early 1990 models). Stick to the blink code method (Pin 1 & 5). nissan obd1 pinout

Understanding the transforms a frustrating "blinking light" into a powerful diagnostic tool. Whether you are using a paperclip on Pin 1 to blink out code 34 (knock sensor), or soldering an Arduino to Pins 7 and 10 to watch your air-fuel ratios, the pinout is the Rosetta Stone of your classic Nissan. Before you can check the pinout, you need to find the port