Nissan Sentra Service Manual: 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 system has 3-step control [HIGH/LOW/OFF].
Cooling Fan Operation
Cooling Fan Relay Operation
When IPDM E/R recieves a cooling fan speed request signal, IPDM E/R controls the cooling fan ralay 1, 2 and 3.
Air conditioning cut control
AIR CONDITIONING CUT CONTROL : System Description
SYSTEM DIAGRAM
INPUT/OUTPUT SIGNAL CHART
Sensor
Input Signal to ECM
ECM function
Actuator
Crankshaft position sensor ( ...
Starter motor drive control
STARTER MOTOR DRIVE CONTROL : System Description
SYSTEN DIAGRAM
*1: CVT models
*2: M/T models
INPUT/OUTPUT SIGNAL CHART
Sensor
Input signal to ECM
ECM function
Actuator
...
Other materials:
Installing front license plate
Use the following steps to mount the front license
plate:
Make holes on the plastic finisher at the
location mark (small dimple) using a 0.20 in
(5 mm) drill. Apply light pressure to the drill.
Install the license plate holder using the two
screws provided with the holder.
Mount ...
Basic inspection
Diagnosis and repair workflow
Work flow (with exp-800 ni or gr8-1200 ni)
CHARGING SYSTEM DIAGNOSIS WITH EXP-800 NI OR GR8-1200 NI
To test the charging system, use the following special service tools:
EXP-800 NI Battery and electrical diagnostic analyzer
GR8-1200 NI Multitasking battery and ...
Sensor rotor
Front sensor rotor
FRONT SENSOR ROTOR : Removal and Installation
The front wheel sensor rotor is an integral part of the wheel
hub and bearing assembly and cannot be disassembled.
Refer to FAX-8, "Removal and Installation".
Rear sensor rotor
REAR SENSOR ROTOR : Removal and Install ...
