Nissan Maxima. Manual - part 728

HAC-88

< SYMPTOM DIAGNOSIS >

[WITH COLOR DISPLAY]

INSUFFICIENT HEATING

4. To retest GO TO 12

12.

 CHECK HEATER HOSE TEMPERATURES

1. Start engine and warm up to normal operating temperature. 

2. Touch both the inlet and outlet heater hoses. The inlet hose should be hot and the outlet hose should be

warm.

Is the inspection result normal?

YES

>> System OK.

NO

>> Replace heater core. Refer to 

HA-48, "HEATER CORE : Removal and Installation"

.

NOISE

HAC-89

< SYMPTOM DIAGNOSIS >

[WITH COLOR DISPLAY]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

NOISE

Component Function Check

INFOID:0000000010051018

Symptom

• Noise

• Noise is heard when the A/C system operates.

INSPECTION FLOW

AWIIA1001GB

HAC-90

< SYMPTOM DIAGNOSIS >

[WITH COLOR DISPLAY]

NOISE

*1

HAC-5, "Operational Check"

*2

EM-14, "Checking Drive Belts"

*3

HAC-84, "Performance Chart"

*4

HA-49, "EXPANSION VALVE : Re-
moval and Installation for Expansion 
Valve"

*5

HA-38, "Removal and Installation for 
Compressor Clutch"

*6

HA-38, "Removal and Installation for 
Compressor Clutch"

*7

HA-37, "Removal and Installation for 
Compressor"

*8

HA-30, "Inspection"

*9

HA-45, "CONDENSER : Removal 
and Installation"

MEMORY FUNCTION DOES NOT OPERATE

HAC-91

< SYMPTOM DIAGNOSIS >

[WITH COLOR DISPLAY]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

MEMORY FUNCTION DOES NOT OPERATE

Component Function Check

INFOID:0000000010051019

Symptom

• Memory function does not operate normally.

• The setting is not maintained. (It returns to the initial condition.)

1.

CHECK OPERATION

1. Set temperature control dial to 32

°C (90°F).

2. Press the OFF switch.

3. Turn the ignition switch OFF.

4. Turn the ignition switch ON.

5. Press the AUTO switch.

6. Check that the set temperature is maintained.
Is the inspection result normal?

YES

>> Inspection End.

NO

>> Check power supply and ground circuit of A/C auto amp. Refer to 

HAC-60, "A/C AUTO AMP. :

Component Function Check"

.