Nissan Obd1 Pinout -

Bridge pin 4 (CHK) to pin 3 (Ground). The ECU will flash via the dashboard check engine light or an LED connected to pin 8. 2. The 6-Pin (2x3) Rectangular Connector (Late OBD1 – 1995) Found on S14 240SX (1995), B13 Sentra, D21 Hardbody (1994–1995), and some JDM imports. Usually located under the dashboard driver’s side.

– the pin functions are documented in the EF & EC (Engine Fuel & Emission Control) chapter. Need a specific pinout for your model? Provide the year, model, and engine code – I can produce a detailed table. nissan obd1 pinout

Unlike OBD2’s universal 16-pin trapezoidal connector, Nissan OBD1 connectors vary by year, model, and market. However, they share common pin functions based on the ECU family (e.g., ECCS, JECS). 1. The 14-Pin Round Connector (1980s – Early 1990s) Often found on Z31 300ZX (1984–1989), early S13 240SX, and some Pulsars. This connector is located in the engine bay fuse box or near the ECU. Key pins: Bridge pin 4 (CHK) to pin 3 (Ground)