On Board Diagnosis Logic
WARNING: This page is about a different car, the 2003 Nissan Altima. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
When a malfunction is indicated, ensure to replace the coolant. Also, replace the engine oil. Fill radiator with coolant up to specified level with a filling speed of 2 liters per minute. Ensure to use coolant with the proper mixture ratio. After refilling coolant, run engine to ensure that no water-flow noise is emitted.
NOTE:
For main 12 causes of overheating, see MAIN 12 CAUSES OF OVERHEATING .
For on board diagnosis logic, see Fig 1.