Work Procedure

WARNING: This page is about a different car, the 2011 Nissan Murano. However, it is still accessible from the selected car via links, so may be relevant.

The purpose of the operational check is to check that the individual system operates normally.

Check condition : Engine running at normal operating temperature.

CHECK MEMORY FUNCTION
1. Press AUTO switch to activate air conditioning system.
2. Set temperature to 90°F by operating temperature control dial (driver side).
3. Press ON/OFF switch.
4. Turn ignition switch OFF.
5. Turn ignition switch ON.
6. Press AUTO switch.
7. Check that set temperature (90°F) is maintained.
  Is the inspection result normal?
  
  YES: GO TO 2.
  
  NO: GO TO 11.
CHECK AIR FLOW (FAN SPEED)
1. Start engine.
2. Operate fan switch.
3. Check that air flow changes. Check operation for all fan speeds.
  Is the inspection result normal?
  
  YES: GO TO 3.
  
  NO: GO TO 11.
CHECK AIR OUTLET (MODE SWITCH AND DEF SWITCH)
1. Operate fan switch to set the fan speed to maximum speed.
2. Operate MODE switch and DEF switch.
3. Check that air outlets change according to each indicated air outlet by placing a hand in front of the air outlets. Refer to , "SYSTEM DESCRIPTION ".
  Is the inspection result normal?
  
  YES: GO TO 4.
  
  NO: GO TO 11.
CHECK AIR OUTLET (UPPER VENT SWITCH)
1. Press MODE switch to set the air outlet to other than DEF.
2. Press UPPER VENT switch. The UPPER VENT switch indicator turns ON.
3. Check that air flow blows from upper ventilator.
4. Press UPPER VENT switch again. The UPPER VENT switch indicator turns OFF.
5. Check that air flow from upper ventilator stops.
  Is the inspection result normal?
  
  YES: GO TO 5.
  
  NO: GO TO 11.
CHECK AIR INLET
1. Press intake switch to set the air inlet to recirculation. The intake switch indicator turns ON.
2. Listen to intake sound and confirm air inlets change.
3. Press intake switch again to set the air inlet to fresh air intake. The intake switch indicator turns OFF.
4. Listen to intake sound and confirm air inlets change.
  Is the inspection result normal?
  
  YES: GO TO 6.
  
  NO: GO TO 11.
CHECK COMPRESSOR
1. Press A/C switch. The A/C switch indicator turns ON.
2. Check visually and by sound that the compressor operates.
3. Press A/C switch again. The A/C switch indicator turns OFF.
4. Check that compressor stops.
  Is the inspection result normal?
  
  YES: GO TO 7.
  
  NO: GO TO 11.
CHECK DISCHARGE AIR TEMPERATURE
1. Operate temperature control dial (driver side).
2. Check that discharge air temperature (driver side/passenger side) changes.
3. Operate temperature control dial (passenger side). The DUAL switch indicator turns ON.
4. Check that discharge air temperature (passenger side only) changes.
5. Press DUAL switch. The DUAL switch indicator turns OFF.
6. Check that air temperature setting (LH/RH) is unified to the driver side temperature setting.
  Is the inspection result normal?
  
  YES: GO TO 8.
  
  NO: GO TO 11.
CHECK TEMPERATURE DECREASE
1. Operate compressor.
2. Operate temperature control dial (driver side) and lower the set temperature to 60°F.
3. Check that cool air blows from the air outlets.
  Is the inspection result normal?
  
  YES: GO TO 9.
  
  NO: GO TO 11.
CHECK TEMPERATURE INCREASE
1. Operate temperature control dial (driver side) and raise the set temperature to 90°F.
2. Check that warm air blows from the air outlets.
  Is the inspection result normal?
  
  YES: GO TO 10.
  
  NO: GO TO 11.
CHECK AUTO MODE
1. Press AUTO switch. The AUTO switch indicator turns ON.
2. Operate temperature control dial (driver side) to check that air flow (fan speed) or air outlet changes (the air outlet or air flow varies depending on the ambient temperature, in-vehicle temperature, set temperature, and etc.).
  Is the inspection result normal?
  
  YES: INSPECTION END
  
  NO: GO TO 11.
CHECK SELF-DIAGNOSIS WITH CONSULT
1. Perform self-diagnosis with CONSULT.
2. Check that any DTC is detected.
  Is any DTC detected?
  
  YES: Refer to "DTC INDEX " and perform the appropriate diagnosis.
  
  NO: GO TO 12.
CHECK FAIL-SAFE ACTIVATION
Check that symptom is applied to the fail-safe activation. Refer to "FAIL-SAFE ".

Refer to "SYMPTOM TABLE " and perform the appropriate diagnosis.