Diagnosis Procedure
WARNING: This page is about a different car, the 2018 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK DTC PRIORITY
If DTC P00125 is displayed with DTC P0116, P0117 or P0118, first perform the trouble diagnosis for DTC P0116, P0117 or P0118.
Is applicable DTC detected?
YES
Perform diagnosis of applicable.
- DTC P0116: Refer to DTC Description .
- DTC P0117: Refer to DTC Description .
- DTC P0118: Refer to DTC Description .
NO
GO TO 2.
- CHECK ENGINE COOLANT TEMPERATURE SENSOR
Check engine coolant temperature sensor. Refer to Component Inspection .
Is the inspection result normal?
YES
GO TO 3.
NO
Replace engine coolant temperature sensor.
- CHECK THERMOSTAT OPERATION
When the engine is cold [lower than 70°C (158°F)] condition, grasp lower radiator hose and confirm that the engine coolant does not flow.
Is the inspection result normal?
YES
INSPECTION END
NO
Repair or replace thermostat. Refer to Removal and Installation .