Nissan Maxima. Instruction — part 708
HAC-8
< BASIC INSPECTION >
[WITH COLOR DISPLAY]
INSPECTION AND ADJUSTMENT
NOTE:
When the battery cable is disconnected from the negative terminal or when the battery voltage becomes 10V or less, the setting of the
FRE switch memory function may be cancelled.
Inlet Port Memory Function (REC)
INFOID:0000000010050946
Description
• If the ignition switch is turned to the OFF position while the REC (
) switch is set to ON (recirculation),
“Perform the memory” or “Do not perform the memory” of the REC (
) switch ON (recirculation) condi-
tion can be selected.
• If “Perform the memory” was set, the REC (
) switch will be ON (recirculation) when turning the ignition
switch to the ON position again.
• If “Do not perform the memory” was set, the air inlets will be controlled automatically when turning the igni-
tion switch to the ON position again.
How to set
Using CONSULT, perform “REC MEMORY SET” in “WORK SUPPORT” of HVAC.
NOTE:
When the battery cable is disconnected from the negative terminal or when the battery voltage becomes 10V or less, the setting of the
REC switch memory function may be cancelled.
Work support items
Display
Setting
FRE MEMORY SET
WITHOUT
Perform the memory of instruction FRE
WITH (initial status)
Do not perform the memory of instruction FRE (auto
control)
Work support items
Display
Setting
REC MEMORY SET
WITHOUT (initial status)
Perform the memory of instruction REC
WITH
Do not perform the memory of instruction REC (auto
control)
COMPRESSOR CONTROL FUNCTION
HAC-9
< SYSTEM DESCRIPTION >
[WITH COLOR DISPLAY]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
SYSTEM DESCRIPTION
COMPRESSOR CONTROL FUNCTION
Description
INFOID:0000000010050947
PRINCIPLE OF OPERATION
Compressor is not activated.
Functional circuit diagram
Functional initial inspection chart
Fail-Safe
INFOID:0000000010050948
FAIL-SAFE FUNCTION
• If a communication error exists between the A/C auto amp., the AV control unit and the A/C and AV switch
assembly for 30 seconds or longer, air conditioner is controlled under the following conditions:
CAN (1)
: A/C switch signal
: Blower fan motor switch signal
CAN (2)
: A/C compressor request signal
AWIIA1373GB
Location
A
B
C
D
CONSULT
ECM DATA MONITOR
Yes
Yes
IPDM E/R DATA MONITOR
Yes
HVAC DATA MONITOR
Yes
Self-diagnosis function
Yes
ACTIVE TEST
Yes
Yes
AUTO ACTIVE TEST
Yes
HAC-10
< SYSTEM DESCRIPTION >
[WITH COLOR DISPLAY]
COMPRESSOR CONTROL FUNCTION
Compressor
: ON
Air outlet
: AUTO
Air inlet
: FRE (
)
Blower fan speed
: AUTO
Set temperature
: Setting before communication error occurs
Display
: OFF
AUTOMATIC AIR CONDITIONER SYSTEM
HAC-11
< SYSTEM DESCRIPTION >
[WITH COLOR DISPLAY]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
AUTOMATIC AIR CONDITIONER SYSTEM
System Diagram
INFOID:0000000010050949
CONTROL SYSTEM
The control system consists of input sensors, switches, the A/C auto amp. (microcomputer) and outputs. The
relationship of these components is as shown in the figure below:
System Description
INFOID:0000000010050950
CONTROL OPERATION
Display
The operation status of the HVAC system is displayed on the screen.
A/C and AV Switch Assembly
AWIIA1374GB
ALIIA0398GB
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст