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:
Unit disassembly and assembly
TRANSAXLE ASSEMBLY
Exploded View
CASE AND HOUSING
Filler plug
Gasket
Transaxle case
Bushing
Snap ring
Oil channel
Oil gutter
Position switch
Bracket
Differential side oil seal
Magnet
Drain plug
Input shaft oil seal
Clutch housing
2 way connector
Plug
Pinion ...
Preparation
Special Service Tool
The actual shape of the tools may differ from those illustrated here.
Commercial Service Tools
Clip list
Descriptions for Clips
Replace any clips which are damaged during removal or installation.
...
P0327, P0328 KS
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0327
KNOCK SEN/CIRC-B1
(Knock sensor 1 circuit
low bank 1)
An excessively low voltage from the knock sensor
is sent to ECM.
...
