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:
CAN communication circuit
Diagnosis Procedure
1.CONNECTOR INSPECTION
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Disconnect all the unit connectors on CAN communication system.
Check terminals and connectors for damage, bend and loose
connection.
2.CHECK HARNESS CON ...
Front fog lamp
System Diagram
System Description
BCM (Body Control Module) controls front fog lamp operation.
IPDM E/R (Intelligent Power Distribution Module Engine Room)
operates front fog lamp according to CAN communication signals from BCM.
Combination meter operates front fog lamp indicator accor ...
Tweeter
Description
The audio unit sends audio signals to the tweeters using the front door
speaker circuits.
Diagnosis Procedure
1.CONNECTOR CHECK
Check the audio unit and speaker connectors for the following:
Proper connection
Damage
Disconnected or loose terminals
2.HARNESS CHECK
...
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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