Nissan Altima 2007-2012 Service Manual: Heater & air conditioning control system automatic air conditioner
- Basic inspection
- Function diagnosis
- Function information
- Refrigeration system
- Automatic air conditioner system
- Diagnosis system (ECM)
- Self-diagnosis function
- Component diagnosis
- Lan system circuit
- Mode door motor
- Air mix door motor
- Intake door motor
- Blower motor
- Magnet clutch
- Ambient sensor
- In-vehicle sensor
- Sunload sensor
- Intake sensor
- Power supply and ground circuit for front air control
- ECU diagnosis
- Symptom diagnosis
- Air conditioner control
- Insufficient cooling
- Insufficient heating
- Noise
- Self-diagnosis cannot be performed
- Memory function does not operate
- Precaution
Service data and specifications (SDS)
COMPRESSOR OIL REFRIGERANT ...Basic inspection
...Other materials:
Center speaker
Description
The audio unit sends audio signals to the BOSE speaker amp. The BOSE speaker
amp. amplifies the audio
signals before sending them to the center speaker using the audio signal
circuits.
Diagnosis Procedure
1.HARNESS CHECK
1. Disconnect BOSE speaker amp. connector B121 and center ...
P0453 evap control system pressure
sensor
Description
The EVAP control system pressure sensor detects pressure in the
purge line. The sensor output voltage to the ECM increases as pressure
increases.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously cond ...
DLC branch line circuit
Diagnosis Procedure
INSPECTION PROCEDURE
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the terminals and connectors of the data link connector for damage,
bend and loose connection
(connector side and harness side) ...