Nissan Murano: System / Air Conditioning Cut Control
System Description
SYSTEM DIAGRAM

*: ECM determines the start signal status by the signals of engine speed and battery voltage.
SYSTEM DESCRIPTION
This system improves engine operation when the air conditioner is used.
Under the following conditions, the air conditioner is turned OFF.
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When the accelerator pedal is fully depressed.
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When cranking the engine.
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At high engine speeds.
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When the engine coolant temperature becomes excessively high.
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When operating power steering during low engine speed or low Nissan Murano vehicle speed.
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When engine speed is excessively low.
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When refrigerant pressure is excessively low or high.
System Description
SYSTEM DIAGRAM*: ECM determines the start signal status by the signals of engine speed and battery voltage.SYSTEM DESCRIPTIONIgnition order: 1 - 2 - 3 - 4 - 5 - 6The ignition timing is controlled by the ECM to maintain the best air-fuel ratio for every running condition of the engine...
System Description
SYSTEM DIAGRAMBASIC ASCD SYSTEMRefer to Owner's Manual for ASCD operating instructions.Automatic Speed Control Device (ASCD) allows a driver to keep vehicle at predetermined constant speed without depressing accelerator pedal...
Other information:
DTC Description
DESCRIPTIONITS COMMUNICATION
ITS communication is a multiplex communication system. This enables the system to transmit and receive large quantities of data at high speeds by connecting control units with two communication lines.
ITS communication lines adopt twisted-pair line style (two lines twisted) for noise immunity...
Reference Value
TERMINAL LAYOUTPHYSICAL VALUES
Terminal No.
(Wire color) Description Condition
Voltage
(Approx.)
+ - Signal name Input/Output
1
(R)
Ground
Battery power supply
Input
—
Battery voltage
2
(GR)
Ground
Sunshade switch close signal
Input
Sunshade switch in following position:
CLOSE
0 V
3
(Y)
Ground
Sunshade switch open signal
Input
Sunshade switch in following position:
OPEN
0 V
4
(O)
Ground
Nissan Murano Vehicle speed signal (2-pulse)
Input
Speedometer operated [When vehicle speed is approx...