Nissan Sentra Service Manual: Periodic maintenance
Normal operating condition
Description
FUEL CUT CONTROL (AT NO LOAD AND HIGH ENGINE SPEED)
If the engine speed is above 2,500 rpm under no load (for example, the
selector lever position is neutral and
engine speed is over ...
Idle speed
Inspection
1.CHECK IDLE SPEED
With CONSULT
Check idle speed in “DATA MONITOR” mode of “ENGINE” using CONSULT.
Specification : EC-486, "Idle Speed"
With GST
Check ...
Other materials:
Precaution for Work
When removing or disassembling each component, be careful not to damage
or deform it. If a component
may be subject to interference, be sure to protect it with a shop cloth.
When removing (disengaging) components with a screwdriver or similar
tool, be sure to wrap the component
with a ...
Battery current sensor
Exploded view
Battery current sensor
Current sensor harness connector
Removal and installation
Removal
Loosen the battery terminal nut and disconnect battery negative
terminal. Refer to PG-50, "Exploded
View".
Disconnect the harness connector from current sensor.
...
P0420 Three way catalyst function
DTC Logic
DTC DETECTION LOGIC
The ECM monitors the switching frequency ratio of air fuel ratio (A/F)
sensor 1 and heated oxygen sensor 2.
A three way catalyst (manifold) with high oxygen storage capacity
will indicate a low switching frequency of heated oxygen sensor 2.
As oxygen storage c ...
