Nissan Sentra manuals

Nissan Sentra Service Manual: Air conditioning cut control

Nissan Sentra Service Manual / Engine / Engine control system / System / Air conditioning cut control

AIR CONDITIONING CUT CONTROL : System Description

SYSTEM DIAGRAM

INPUT/OUTPUT SIGNAL CHART


INPUT/OUTPUT SIGNAL CHART

Sensor

Input Signal to ECM

ECM function

Actuator

Crankshaft position sensor (POS) Engine speed* Piston position Air conditioner cut control IPDM E/R ↓

Air conditioner relay ↓

Compressor

Camshaft position sensor (PHASE)
Engine coolant temperature sensor Engine coolant temperature
Accelerator pedal position sensor Accelerator pedal position
Battery Battery voltage*
Refrigerant pressure sensor Refrigerant pressure
EPS control unit CAN communication EPS operation signal
Combination meter CAN communication Vehicle speed signal
A/C auto amp. CAN communication
  • A/C ON signal
  • Blower fan ON signal

*: 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.

Fuel filler cap warning system
SYSTEM DIAGRAM SYSTEM DESCRIPTION The fuel filler cap warning system alerts the driver to the prevention of the fuel filler being left uncapped and malfunction occurrences after refueling, by ...

Cooling fan control
SYSTEM DIAGRAM SYSTEM DESCRIPTION ECM controls cooling fan speed corresponding to vehicle speed, engine coolant temperature, refrigerant pressure, air conditioner ON signal. Then control syst ...

Other materials:

P2004 Intake manifold runner control valve
DTC Logic DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detecting condition Possible cause P2004 TUMBLE CONT/V (Intake manifold runner control stuck open bank 1) The target angle of intake manifold runner control valve c ...

Warning/indicator lights
Warning light Name Anti-lock Braking System (ABS) warning light Brake warning light Charge warning light Door open warning light Engine oil pressure warning light Low fuel ...

USB interface (models with Navigation System)
Connecting a device to the USB input jack WARNINGDo not connect, disconnect, or operate the USB device while driving. Doing so can be a distraction. If distracted you could lose control of your vehicle and cause an accident or serious injury. CAUTION Do not force t ...

В© 2014-2019 Copyright www.nisentra.com