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 - DISCHARGE AIR
1. Turn blower control dial to 4.
2. Turn the mode dial and check all positions.
3. Confirm that discharge air comes out according to the air distribution table. Refer to "DISCHARGE AIR FLOW ".
  NOTE: Confirm that the compressor clutch is engaged (visual inspection) and intake door position is at FRESH when DEF ( ) or D/F ( ) is selected.
Can a symptom be duplicated?

YES: GO TO 3.

NO: GO TO 2.
PERFORM COMPLETE OPERATIONAL CHECK
Perform a complete operational check and check for any symptoms. Refer to "OPERATIONAL CHECK (FRONT) ".

Can a symptom be duplicated?

YES: Refer to "SYMPTOM TABLE ".

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

GO TO 4.
CHECK MODE DOOR OPERATION
Check and verify mode door mechanism for smooth operation in each mode.

OK or NG

OK: GO TO 5.

NG: Repair as necessary.
CHECK THE MODE DOOR MOTOR PBR CIRCUIT
Perform diagnostic procedure for the mode door motor. Refer to "DIAGNOSTIC PROCEDURE FOR MODE DOOR MOTOR ".

OK or NG

OK: GO TO 6.

NG: Repair PBR circuit or replace motor.
RECHECK FOR SYMPTOMS
Perform a complete operational check and check for any symptoms. Refer to "OPERATIONAL CHECK (FRONT) ".

Does another symptom exist?

YES: Repair as necessary.

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