Inspection Flow

WARNING: This page is about a different car, the 2007 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.

CONFIRM SYMPTOM BY PERFORMING OPERATIONAL CHECK - REAR AIR CONTROL (FRONT)
1. Press AUTO switch.
2. Set the rear blower control dial (front) to REAR position.
3. Turn the rear blower control dial (rear) and check for rear blower operation.
  NOTE: If the engine coolant temperature increases above 111.9°C (233.6°F) the front air control turns OFF the rear blower motor. When the engine coolant temperature drops below 110°C (230°F) the front air control turns the rear blower motor back ON.
4. Continue checking that rear blower speed increases as the rear blower control dial is rotated clockwise.
Does the rear blower motor operate correctly?

YES: GO TO 3.

NO: GO TO 2.
CHECK FOR ANY SYMPTOMS
Perform a complete operational check for any symptoms. Refer to "OPERATIONAL CHECK (FRONT) ".

Does another symptom exist?

YES: Refer to "SYMPTOM TABLE ".

NO: System OK.
CHECK FOR SERVICE BULLETINS
Check for any service bulletins.

GO TO 4.
CHECK REAR BLOWER CONTROL DIAL (FRONT) CIRCUIT
Check and verify rear blower control dial (front) operates the rear blower motor in all speeds.

Does blower motor operate in all speeds?

YES: GO TO 5.

NO: Refer to "DIAGNOSTIC PROCEDURE FOR REAR AIR CONTROL ".
PERFORM SELF-DIAGNOSIS
Perform self-diagnosis to check for any codes. Refer to "A/C SYSTEM SELF-DIAGNOSIS FUNCTION ".

Are any self-diagnosis codes present?

YES: Refer to "SELF-DIAGNOSIS CODE CHART ".

NO: GO TO 6.
RECHECK FOR ANY SYMPTOMS
Perform a complete operational check for any symptoms. Refer to "OPERATIONAL CHECK (FRONT) ".

Does another symptom exist?

YES: Refer to "SYMPTOM TABLE ".

NO: Replace front air control. Refer to "FRONT AIR CONTROL ".