Nissan Altima 2007-2012 Service Manual: The ambient temperature display is incorrect

Description

• The displayed ambient air temperature is higher than the actual temperature.

• The displayed ambient air temperature is lower than the actual temperature.

Diagnosis Procedure

NOTE: Check that the symptom is not applicable to the normal operating condition before starting diagnosis. Refer to MWI-32, "INFORMATION DISPLAY : System Description".

1.CHECK AMBIENT SENSOR SIGNAL CIRCUIT

Check the ambient sensor signal circuit. Refer to MWI-53, "Diagnosis Procedure".

Is the inspection result normal? YES >> GO TO 2

NO >> Repair harness or connector.

2.CHECK AMBIENT SENSOR UNIT

Perform a unit check for the ambient sensor. Refer to HAC-51, "Component Inspection".

Is the inspection result normal? YES >> Replace combination meter. Refer to MWI-176, "Removal and Installation".

NO >> Replace ambient sensor.

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