B0289 Nissan Bassara Diagnostic Trouble Code

B0289 Nissan Bassara code definition:
B0289 is a kind of OBD-II Diagnostic B-Body Diagnostic Trouble Code for Nissan Bassara.

B0289 Nissan Bassara is described as Intake Air Temperature (IAT) Circuit Malfunction. It's actually a general trouble code for a problem on IAT electrical circuit sensor, as it sends incorrect voltage input signals to the PCM. If the car doesn't start, they will proceed by testing the voltage at the fuel pump connector and see if the fuel pump relay, fuse, and PCM circuitry should be inspected.

Symptoms

Symptoms of a B0289 Nissan Bassara diagnostic trouble code may include:
  • Carbon Buildup on O2 Sensor
  • Malfunction Indicator Lamp (MIL) illuminated
  • Hesitation upon acceleration
  • Rich or lean exhaust
Place of B0289 in engine

Possible Causes :

  • The Mass Airflow sensor will also cause this problem. Mass Airflow circuit malfunction.
  • Fuel with a large percentage of sulfur will clog the DPF quickly
  • Some aftermarket accessories and performance modifications

Common Misdiagnoses

  1. Vehicle Speed Output Circuit Problem
  2. Cruise Control Servo Indicates Low Problem
  3. A/C System High Pressure High Temperature Problem
  4. PCM Stack Overrun Problem
  5. Transmission Control Module Reprogrammable Memory Problem

Repair Processes :

Find out what kind of system you have and verify that voltage to the fuel level sensor is present at the fuel pump wiring harness. Look at the plug wires to make sure they are not burnt or laying on the exhaust. You might continue by connecting the scanner to the vehicle diagnostic connector and retrieving all stored codes and freeze frame data.

Process Tips

Diagnostic trouble code B0289 Nissan Bassara is not difficult to diagnose and repair. Thus, it always pays to have a qualified technician to look after your vehicle should this error code arise.

Diagnosing this code requires the engine to be in good running shape, without unmetered air entering the engine. If other codes that relates to misfiring condition, lean running or air entering the engine is present, then you must first fix those error codes before B0289 Nissan Bassara.

Fortunately, B0289 Nissan Bassara is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

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