Nissan Maxima. Manual — part 751

HAC-180

< WIRING DIAGRAM >

[WITH MONOCHROME DISPLAY]

AIR CONDITIONER CONTROL

ABIIA1194GB

AIR CONDITIONER CONTROL

HAC-181

< WIRING DIAGRAM >

[WITH MONOCHROME DISPLAY]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

ABIIA1195GB

HAC-182

< WIRING DIAGRAM >

[WITH MONOCHROME DISPLAY]

AIR CONDITIONER CONTROL

ABIIA1196GB

INSUFFICIENT COOLING

HAC-183

< SYMPTOM DIAGNOSIS >

[WITH MONOCHROME DISPLAY]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

SYMPTOM DIAGNOSIS

INSUFFICIENT COOLING

Component Function Check

INFOID:0000000010051178

Symptom

• Insufficient cooling

• No cool air comes out. (Airflow volume is normal.)

INSPECTION FLOW

1.

CONFIRM SYMPTOM BY PERFORMING OPERATION CHECK - TEMPERATURE DECREASE

1. Press the AUTO switch.

2. Turn temperature control switch (driver side) counterclockwise until 18

°C (60°F) is displayed.

3. Check for cold air at discharge air outlets.
Is the inspection result normal?

YES

>> GO TO 3

NO

>> GO TO 2

2.

CHECK FOR ANY SYMPTOMS

Perform a complete operational check and check for any symptoms. Refer to

HAC-108, "Operational Check"

.

Does another symptom exist?

YES

>> Refer to

HA-25, "WITH MONOCHROME DISPLAY : Symptom Matrix Chart"

.

NO

>> System OK.

3.

CHECK FOR SERVICE BULLETINS

Check for any service bulletins.

>> GO TO 4

4.

CHECK DRIVE BELTS

Check A/C compressor belt tension. Refer to

EM-14, "Checking Drive Belts"

.

Is the inspection result normal?

YES

>> GO TO 5

NO

>> Adjust or replace A/C compressor belt. Refer to

EM-14, "Removal and Installation"

.

5.

CHECK SETTING OF TEMPERATURE SETTING TRIMMER

Using CONSULT, check the setting of “TEMP SET CORRECT” on “WORK SUPPORT” of HVAC. Refer to

HAC-109, "Temperature Setting Trimmer"

.

1. Check that the temperature setting trimmer is set to “+ direction”.

NOTE:

The control temperature can be set with the setting of the temperature setting trimmer.

2. Set temperature control dial to “0”.
Is the symptom still present?

YES

>> GO TO 6.

NO

>> Inspection End.

6.

CHECK WITH SELF-DIAGNOSIS FUNCTION OF CONSULT

1. Using CONSULT, perform “SELF-DIAGNOSIS RESULTS” of HVAC.

2. Check if any DTC No. is displayed in the trouble diagnosis results.

NOTE:

If DTC is displayed along with DTC U1000 or U1010, first diagnose the DTC U1000 or U1010. Refer to

HAC-133, "DTC Logic"

or

HAC-134, "DTC Logic"

.

Is any DTC No. displayed?

YES

>> Perform diagnosis for the applicable DTC. Refer to

HAC-171, "DTC Index"

.

NO

>> GO TO 7.