Nissan Qashqai (2007-2010). Manual - part 911

 

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Nissan Qashqai (2007-2010). Manual - part 911

 

 

DIAGNOSIS AND REPAIR WORKFLOW

HAC-5

< BASIC INSPECTION >

[AUTOMATIC AIR CONDITIONER]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

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BASIC INSPECTION

DIAGNOSIS AND REPAIR WORKFLOW

Work Flow

INFOID:0000000000954626

DETAILED FLOW

1.

LISTEN TO CUSTOMER COMPLAINT

Listen to customer complaint. (Get detailed information about the conditions and environment when the symp-
tom occurs.)

>> GO TO 2.

2.

VERIFY THE SYMPTOM WITH OPERATIONAL CHECK

Verify the symptom with operational check. Refer to 

HAC-6, "Description & Inspection"

.

>> GO TO 3.

3.

GO TO APPROPRIATE TROUBLE DIAGNOSIS

Go to appropriate trouble diagnosis (Refer to 

HAC-108, "Diagnosis Chart By Symptom"

 below).

>> GO TO 4.

4.

REPAIR OR REPLACE

Repair or replace the specific parts.

>> GO TO 5.

5.

FINAL CHECK

Final check.
Is the inspection result normal?

YES

>> CHECK OUT

NO

>> GO TO 3.

HAC-6

< BASIC INSPECTION >

[AUTOMATIC AIR CONDITIONER]

INSPECTION AND ADJUSTMENT

INSPECTION AND ADJUSTMENT

Description & Inspection

INFOID:0000000000954627

DESCRIPTION

The purpose of the operational check is to check if the individual system operates properly.

INSPECTION PROCEDURE

Memory Function

1.

Turn temperature control dial (driver side) clockwise until 30.0

°

C is displayed.

2.

Press ON/OFF switch.

3.

Turn ignition switch OFF.

4.

Turn ignition switch ON.

5.

Press AUTO switch.

6.

Confirm that the set temperature remains at previous temperature.

7.

Press ON/OFF switch.

If NG, go to trouble diagnosis procedure for 

HAC-116, "Inspection procedure"

.

If OK, continue the check.

Blower

1.

Turn fan control dial clockwise. Blower should operate on low speed.

2.

Turn fan control dial clockwise again, and continue checking blower speed until all speeds are checked.

3.

Leave blower on max. speed.

If NG, go to trouble diagnosis procedure for 

HAC-62, "Diagnosis Procedure"

.

If OK, continue the check.

Discharge Air (MODE switch and DEF switch)

1.

Press MODE switches and DEF switch.

2.

Each position indicator should illuminate.

3.

Confirm that discharge air comes out according to the air distribution table. Refer to 

HAC-15, "System

Description"

.

If NG, go to trouble diagnosis procedure for 

HAC-47, "Diagnosis Procedure"

.

If OK, continue the check.
NOTE:
Confirm that the magnet clutch is engaged (sound or visual inspection) and intake door position is at FRE
when the D/F or DEF is selected.

Discharge Air (High-level ventilator switch)

1.

Press high-level ventilator switch. High-level ventilator switch indicator should illuminate.

Conditions

: Engine running at normal operating temperature

JPIIA0082GB

INSPECTION AND ADJUSTMENT

HAC-7

< BASIC INSPECTION >

[AUTOMATIC AIR CONDITIONER]

C

D

E

F

G

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HAC

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2.

Confirm that discharge air comes out.

3.

Press high-level ventilator switch again. High-level ventilator indicator should not illuminate.

If NG, go to trouble diagnosis procedure for 

HAC-50, "Diagnosis Procedure"

.

If OK, continue the check.

Intake Air

1.

Press recirculation (REC) switch. Recirculation indicator should illuminate.

2.

Press fresh (FRE) switch. Fresh indicator should illuminate.

3.

Listen for intake door position change. (Slight change of blower sound can be heard.)

If NG, go to trouble diagnosis procedure for 

HAC-59, "Diagnosis Procedure"

.

If OK, continue the check.
NOTE:
Confirm that the magnet clutch is engaged (sound or visual inspection) and intake door position is at FRE
when the D/F or DEF is selected.

Temperature Decrease

1.

Turn temperature control dial (driver side) counterclockwise until 16.0

°

C is displayed.

2.

Check for cold air at discharge air outlets.

If NG, go to trouble diagnosis procedure for 

HAC-109, "Inspection procedure"

.

If OK, continue the check.

Temperature Increase

1.

Turn temperature control dial (driver side) clockwise until 30.0

°

C is displayed.

2.

Check for hot air at discharge air outlets.

If NG, go to trouble diagnosis procedure for 

HAC-111, "Inspection procedure"

.

If OK, continue the check.

A/C Switch

1.

Press AUTO switch and A/C switch.

2.

A/C switch indicator will turn ON.
• Confirm that the magnet clutch engages (sound or visual inspection).

Auto Mode

1.

Press AUTO switch and A/C switch.

2.

AUTO switch indicator will turn ON.
• Confirm that discharge air and blower speed will depend on ambient, in-vehicle, and set temperatures.

If NG, go to trouble diagnosis procedure for 

HAC-89, "Diagnosis Procedure"

, then if necessary, trouble diagno-

sis procedure for 

HAC-66, "Diagnosis Procedure"

.

If all operational checks are OK (symptom cannot be duplicated), go to Incident Simulation Tests in 

GI-38,

"Work Flow"

 and perform tests as outlined to simulate driving conditions environment. If symptom appears,

refer to 

HAC-108, "Diagnosis Chart By Symptom"

 and perform applicable trouble diagnosis procedures.

AUXILIARY MECHANISM

Temperature Setting Trimmer

The trimmer compensates for differences in range of 

±

3

°

C between temperature setting (displayed digitally)

and temperature felt by customer.

Operating procedures for this trimmer are as follows:

1.

Begin self-diagnosis STEP-5 mode. Refer to 

HAC-27, "Diagnosis Description"

.

2.

Turn fan control dial clockwise to set system in auxiliary mode.

3.

Display shows “61” in auxiliary mechanism. It takes approximately 3 seconds to enable setting operation.

4.

Turn temperature control dial (driver side) as desired. Temperature will change at a rate of 0.5

°

C each

time a dial is turned.

CAUTION:

• A decimal point is not indicated on the display.

 

 

 

 

 

 

 

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