Nissan Sentra B18 (2020-2025) Service Manual: Fuel Injector Relay
Component Inspection
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CHECK FUEL INJECTOR RELAY
-
Turn ignition switch OFF.
-
Remove fuel injector relays. Refer to Component Parts Location.
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Check the continuity between fuel injector relay terminals as per the following conditions.
Direct Fuel Injector Relay 1
Direct Fuel Injector Relay
2 
Fuel injector relay
Condition
Continuity
+
−
Terminal
1
2
12 V direct current supply between terminals 3 and 4
Existed
No current supply
Not existed
6
7
12 V direct current supply between terminals 8 and 9
Existed
No current supply
Not existed
Is the inspection result normal?
YES >>INSPECTION END
NO >>Replace fuel injector relay. Refer to Component Parts Location.
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Fuel Injector
Component Function Check
Component Function Check
INSPECTION START
Turn ignition switch to START.
Are any cylinders ignited?
YES >>
GO TO
2.
...
Fuel Pump
Component Inspection
Component Inspection
CHECK FUEL PUMP
Turn ignition switch OFF.
Disconnect “fuel level sensor
u ...
Other materials:
Inspection
Inspection
If a compressor is malfunctioning (internal
noise, insufficient cooling), check the compressor oil.
COMPRESSOR OIL JUDGMENT
Remove the compressor. Refer to Removal and Installation.
...
NISSAN Intelligent Key® (if so equipped)
WARNING
Radio waves could adversely affect
electric medical equipment. Those who
use a pacemaker should contact the
electric medical equipment manufacturer
for the possible influences before
use.
The Intelligent Key transmits radio
waves when the buttons are pr ...
Removal and Installation
Removal and Installation
REMOVAL
Remove
wheel and tire. Refer to Removal and Installation.
Place a
suitable jack under the outer end of the rear lower link to relieve
the coil spring tension.
Warning:
Place a suitable jack under the outer end of
the rear lowe ...
