Nissan Qashqai J11. Manual - part 1109

HAC-72

< BASIC INSPECTION >

[AUTOMATIC AIR CONDITIONING]

DIAGNOSIS AND REPAIR WORK FLOW

YES

>> GO TO 9.

NO

>> Check according to 

GI-44, "Intermittent Incident"

.

8.

DETECT MALFUNCTIONING SYSTEM BY SYMPTOM DIAGNOSIS

Detect malfunctioning system according to SYMPTOM DIAGNOSIS based on the confirmed symptom in step
4, and determine the trouble diagnosis order based on possible causes and symptom.
Is the symptom described?

YES

>> GO TO 9.

NO

>> Monitor input data from related sensors or check voltage of related module terminals using CON-

SULT.

9.

DETECT MALFUNCTIONING PART BY DIAGNOSIS PROCEDURE

Inspect according to Diagnosis Procedure of the system.
Is malfunctioning part detected?

YES

>> GO TO 10.

NO

>> Check according to 

GI-44, "Intermittent Incident"

.

10.

REPAIR OR REPLACE THE MALFUNCTIONING PART

1.

Repair or replace the malfunctioning part.

2.

Reconnect parts or connectors disconnected during Diagnosis Procedure again after repair and replace-
ment.

3.

Check DTC. If DTC is detected, erase it.

>> GO TO 11.

11.

FINAL CHECK

When DTC is detected in step 2, perform DTC CONFIRMATION PROCEDURE again, and then check that the
malfunction is repaired securely.
When symptom is described by the customer, refer to confirmed symptom in step 3 or 4, and check that the
symptom is not detected.
Is DTC detected and does symptom remain?

YES-1 >> DTC is detected: GO TO 9.
YES-2 >> Symptom remains: GO TO 4.
NO

>> Before returning the vehicle to the customer, always erase DTC.

OPERATION INSPECTION

HAC-73

< BASIC INSPECTION >

[AUTOMATIC AIR CONDITIONING]

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OPERATION INSPECTION

Work Procedure

INFOID:0000000010432191

DESCRIPTION

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

OPERATION INSPECTION

For Europe and Russia

1.

CHECK MEMORY FUNCTION

1.

Press AUTO switch to activate air conditioning.

2.

Set temperature to 30.0

°

C 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 the set temperature (30.0

°

C) is maintained.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> GO TO 10.

2.

CHECK FAN SPEED

1.

Start engine.

2.

Operate fan switch and check that fan speed changes.

3.

Check operation for all fan speeds.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 10.

3.

CHECK AIR OUTLET

1.

Operate fan switch to set the fan speed to maximum speed.

2.

Operate MODE VENT/FOOT/DEF switch and MAX DEF switch.

3.

Check that air outlets change according to each indicated air outlet by placing a hand in front of the out-
lets.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 10.

4.

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 5.

NO

>> GO TO 10.

5.

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 6.

Check condition

: Engine running at normal operating temperature.

HAC-74

< BASIC INSPECTION >

[AUTOMATIC AIR CONDITIONING]

OPERATION INSPECTION

NO

>> GO TO 10.

6.

CHECK DISCHARGE AIR TEMPERATURE

1.

Operate temperature control dial (driver side).

2.

Check that discharge air temperature (driver side) changes.

3.

Operate temperature control dial (passenger side). DUAL switch indicator turns ON.

4.

Check that discharge air temperature (passenger side) changes.

5.

Press DUAL switch. 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 7.

NO

>> GO TO 10.

7.

CHECK WITH TEMPERATURE SETTING LOWERED

1.

Operate compressor.

2.

Operate temperature control dial (driver side) to lower the set temperature to 16.0

°

C.

3.

Check that cool air blows from the air outlets.

Is the inspection result normal?

YES

>> GO TO 8.

NO

>> GO TO 10.

8.

CHECK TEMPERATURE INCREASE

1.

Warm up engine to the normal operating temperature.

2.

Operate temperature control dial (driver side) to raise the set temperature to 30.0

°

C.

3.

Check that warm air blows from the air outlets.

Is the inspection result normal?

YES

>> GO TO 9.

NO

>> GO TO 10.

9.

CHECK AUTO MODE

1.

Press AUTO switch and check that AUTO” indicator turns ON.

2.

Operate temperature control dial (driver side) to check that fan speed or air outlet changes (the air outlet
or fan speed varies depending on the ambient temperature, in-vehicle temperature, set temperature, and
etc.).

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> GO TO 10.

10.

CHECK SELF-DIAGNOSIS WITH ON BOARD DIAGNOSIS SYSTEM

1.

Perform self-diagnosis with on board diagnosis.

2.

Check that any whether malfunction result is detected.

Is any malfunction result detected?

YES

>> Refer to 

HAC-45, "Diagnosis Description"

 and perform the appropriate diagnosis.

NO

>> GO TO 11.

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 

HAC-53, "DTC Index"

, and perform the appropriate diagnosis.

NO

>> GO TO 12.

12.

CHECK FAIL-SAFE ACTIVATION

Check that symptom is applied to the fail-safe activation. Refer to 

HAC-53, "Fail-safe"

.

>> Refer to 

HAC-121, "Symptom Table"

, and perform the appropriate diagnosis.

Except For Europe and Russia

OPERATION INSPECTION

HAC-75

< BASIC INSPECTION >

[AUTOMATIC AIR CONDITIONING]

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1.

CHECK MEMORY FUNCTION

1.

Press AUTO switch to activate air conditioning.

2.

Set temperature to 32.0

°

C 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 the set temperature (32.0

°

C) is maintained.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> GO TO 10.

2.

CHECK FAN SPEED

1.

Start engine.

2.

Operate fan switch and check that fan speed changes.

3.

Check operation for all fan speeds.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 10.

3.

CHECK AIR OUTLET

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 out-
lets.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 10.

4.

CHECK AIR INLET

1.

Press REC switch to set the air inlet to recirculation. The REC switch indicator turns ON.

2.

Listen to intake sound and confirm air inlets change.

3.

Press FRE switch again to set the air inlet to fresh air intake. The FRE switch indicator turns ON.

4.

Listen to intake sound and confirm air inlets change.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> GO TO 10.

5.

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 6.

NO

>> GO TO 10.

6.

CHECK DISCHARGE AIR TEMPERATURE

1.

Operate temperature control dial (driver side).

2.

Check that discharge air temperature (driver side) changes.

3.

Operate temperature control dial (passenger side). DUAL switch indicator turns ON.

4.

Check that discharge air temperature (passenger side) changes.

5.

Press DUAL switch. 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 7.

NO

>> GO TO 10.