Nissan Sentra B18 (2020-2025) Service Manual: Fuel Injector Relay
Component Inspection
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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Primary Pressure Solenoid Valve Circuit
Diagnosis Procedure
Diagnosis Procedure
CHECK HARNESS CONNECTOR
Ignition switch OFF.
Check the mating condition of TCM
harness connector and CVT unit harness
connector.
Is the inspect ...
B2fa9-11 Shift Position
Dtc Description
DTC Description
DTC DETECTION LOGIC
DTC No.
CONSULT screen items
(Trouble diagnosis
content)
DTC detecting condition
...
Refrigerant
Description
Description
CONNECTION OF SERVICE TOOLS AND
EQUIPMENT
1.
Shut-off valve
2.
A/C service valve
...