Nissan Sentra Service Manual: Multiport Fuel Injection System or Engine Control System
- Before connecting or disconnecting any harness connector for the
multiport fuel injection system or ECM:
Turn ignition switch to “OFF” position.
Disconnect negative battery terminal.
Otherwise, there may be damage to ECM.
- Before disconnecting pressurized fuel line from fuel pump to injectors, be sure to release fuel pressure.
- Be careful not to jar components such as ECM and mass air flow sensor.
Fuel (Regular Unleaded Gasoline Recommended)
Use unleaded regular gasoline with an octane rating of at least 87 AKI
(Anti-Knock Index) number (Research
octane number 91). E-85 fuel (85% fuel ethanol, 15% unleaded gasoline) may only
be used ...
Hoses
HOSE REMOVAL AND INSTALLATION
To prevent damage to
rubber hose, do not pry off rubber hose with
tapered tool or screwdriver.
To reinstall the
rubber hose secure ...
Other materials:
P0850 PNP Switch
Description
For CVT models, transmission range switch is turn ON when the selector lever
is P or N.
For M/T models, park/neutral position (PNP) range switch is ON when the selector
lever is Neutral position.
ECM detects the position because the continuity of the line (the ON) exists.
DTC ...
Filament
Inspection and Repair
Inspection
When measuring voltage, wrap tin foil around the top of the negative
probe. Then press the foil against the wire with your finger.
Attach probe circuit tester (in Volt range) to middle portion of
each filament.
If a filament is burned out ...
Ipdm-e branch line circuit
Diagnosis Procedure
1.Check connector
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the ipdm e/r for damage, bend and
loose connection (unit side
and connector side).
Is the inspection result normal?
Yes ...
