Nissan Maxima Service and Repair Manual: Compressor control function
Description
PRINCIPLE OF OPERATION
A/C compressor is not activated.
Functional circuit diagram
CAN (1): A/C switch signal
: Blower fan motor switch signal
CAN (2): A/C compressor request signal
RX: A/C switch signal
: Fan ON signal
: Defroster signal
Functional initial inspection chart
Fail-Safe
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:
Compressor: ON
Air outlet: AUTO
Air inlet: FRE ( 
)
Blower fan speed: AUTO
Set temperature: Setting before communication error occurs
Automatic air conditioner system
System Diagram
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 ...
Other materials:
U1000 CAN comm circuit
Description
CAN (Controller Area Network) is a serial communication line for real time
application. It is an on-vehicle multiplex
communication line with high data communication speed and excellent error
detection ability. Many electronic
control units are equipped onto a vehicle and each c ...
VDC off switch
Description
VDC OFF switch deactivates (turn OFF) the VDC/TCS function when the VDC OFF
switch is pressed.
Component Function Check
1.CHECK VDC OFF SWITCH OPERATION
Operate the VDC OFF switch and check that the VDC OFF indicator lamp in the
combination meter turns on/
off correctly.
D ...
Predictive Forward Collision Warning (PFCW) (if so equipped)
WARNING
Failure to follow the warnings and instructions
for proper use of the PFCW system
could result in serious injury or death.
The PFCW system can help warn the
driver before a collision occurs but will
not avoid a collision. It is the driver's
responsibility to stay alert, drive sa ...
Nissan Maxima Owners Manual
- Illustrated table of contents
- Safety-Seats, seat belts and supplemental restraint system
- Instruments and controls
- Pre-driving checks and adjustments
- Monitor, climate, audio, phone and voice recognition systems
- Starting and driving
- In case of emergency
- Appearance and care
- Do-it-yourself
- Maintenance and schedules
- Technical and consumer information
Nissan Maxima Service and Repair Manual
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