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:

Rear disc brake
Exploded View Sliding pin bolt Bushing Cap Bleeder valve Cylinder body Piston seal Piston Piston boot Sliding pin boot Torque member Apply rubber grease Apply brake fluid Disassembly and Assembly DISASSEMBLY Place a wooden block as shown, and blow air from union ...

Manual control
While using the Voice Recognition system, it is possible to select menu options by using the steering wheel controls instead of speaking voice commands. The manual control mode does not allow dialing a phone number by digits. The user may select an entry from the Phonebook or Recent Calls list ...

Main line between dlc and hvac circuit
Diagnosis Procedure 1.Check harness continuity (open circuit) Turn the ignition switch OFF. Disconnect the battery cable from the negative terminal. Disconnect the following harness connectors. Ecm A/c auto amp. Check the continuity between the data link connector and the a/c ...

В© 2014-2021 Copyright www.nisentra.com