Nissan Murano: Heater & Air Conditioning Control System :: Basic Inspection / Additional Service When Replacing Control Unit (a/c Auto Amp.)
Description
When replacing A/C auto amp., save or print current vehicle specification with CONSULT “Configuration” before replacement.
BEFORE REPLACEMENT
NOTE:
If “READ CONFIGURATION” can not be used, use the “MANUAL CONFIGURATION” after replacing A/C auto amp.
AFTER REPLACEMENT
CAUTION:
-
When replacing A/C auto amp., you must perform “WRITE CONFIGURATION” with CONSULT.
-
Never perform “WRITE CONFIGURATION” except for new A/C auto amp.
Work Procedure
SAVING VEHICLE SPECIFICATION
CONSULT
Perform “READ CONFIGURATION” to save or print current Nissan Murano vehicle specification. Refer to Description.
NOTE:
If “READ CONFIGURATION” can not be used, use “MANUAL CONFIGURATION” after replacing A/C auto amp.
>>
GO TO 2.
REPLACE A/C AUTO AMP.
Replace A/C auto amp. Refer to Removal and Installation.
>>
GO TO 3.
WRITING Nissan Murano Vehicle SPECIFICATION
CONSULT
Perform “WRITE CONFIGURATION - Config file” or “MANUAL CONFIGURATION” to write Nissan Murano vehicle specification. Refer to Work Procedure.
>>
Work End.
Work Procedure
DESCRIPTIONThe purpose of the operational check is to check that the individual system operates normally. Check condition
: Engine running at normal operating temperature...
Description
Vehicle specification needs to be written with CONSULT because it is not written after replacing A/C auto amp.Configuration has three functions as follows: Function Description
READ CONFIGURATION
Reads the Nissan Murano vehicle configuration of current A/C auto amp...
Other information:
Work Procedure
NOTE:
After configuration, ignition switch from OFF to ON and check that the VDC warning lamp turns OFF after staying illuminated for approximately two seconds.
If an error occurs during configuration, start over from the beginning...
DTC Description
DTC DETECTION LOGIC
An excessively low voltage signal is sent to ECM through the valve.
An excessively high voltage signal is sent to ECM through the valve.
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
P0444
PURG VOLUME CONT/V
(Evaporative emission system purge control valve circuit open)
Diagnosis condition
Start engine and let it idle
Signal (terminal)
Voltage signal transmitted from EVAP canister purge volume control solenoid valve to ECM
Threshold
An excessively low voltage signal is sent to ECM through the valve
Diagnosis delay time
—
P0445
PURG VOLUME CONT/V
(Evaporative emission system purge control valve circuit shorted)
Diagnosis condition
Start engine and let it idle
Signal (terminal)
Voltage signal transmitted from EVAP canister purge volume control solenoid valve to ECM
Threshold
An excessively high voltage signal is sent to ECM through the valve
Diagnosis delay time
—
POSSIBLE CAUSEDTC P0444
Harness or connectors
(The solenoid valve circuit is open or shorted...
Categories

Your vehicle has two types of security systems:
Vehicle security system
NISSAN Vehicle Immobilizer System
The vehicle security system provides visual
and audible alarm signals if someone
opens the doors, liftgate or the hood when
the system is armed. It is not, however, a
motion detection type system that activates
when a vehicle is moved or when a
vibration occurs.
read more