
VQ35DE engine
1. Crankshaft pulley
2. Drive belt automatic tensioner pulley
3. Generator pulley
4. Air conditioner compressor pulley
WARNING
Be sure the ignition switch is placed in the OFF or LOCK position before servicing drive belt. The engine could rotate unexpectedly.
1. Visually inspect the belt for signs of unusual wear, cuts, fraying or looseness. If the belt is in poor condition or is loose, have it replaced or adjusted. It is recommended that you visit a NISSAN dealer for this service.
2. Have the belt checked regularly for condition and tension in accordance with the maintenance schedule found in the "Maintenance and schedules" section of this manual.
Variable voltage control system
Spark plugsCombination switch system symptoms
SYMPTOM DIAGNOSIS
COMBINATION SWITCH SYSTEM SYMPTOMS
Symptom Table
Perform the data monitor of CONSULT to check for any malfunctioning
item.
Check the malfunction combinations
Identify the malfunctioning part from the agreed combination and repair
or replace the part.
...
Variable induction air system
System Diagram
System Description
INPUT/OUTPUT SIGNAL CHART
*: ECM determines the start signal status by the signals of engine speed and
battery voltage.
SYSTEM DESCRIPTION
In the medium speed range, the power valves are closed. Under this condition,
the pressure waves of the
...
P1553 battery current sensor
Description
The power generation voltage variable control enables fuel consumption to be
decreased by reducing the
engine load which is caused by the power generation of the generator. The
battery current sensor is installed
to the battery cable at the negative terminal. The sensor measures ...