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.
-
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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Other materials:
Power Supply and Ground Circuit
A/c Auto Amp.
Diagnosis Procedure
Diagnosis Procedure
CHECK A/C AUTO AMP. GROUND CIRCUIT
FOR OPEN
Ignition switch OFF.
Disconnect A/C auto amp. connector.
...
B2083-23 Request Sw (fr)
Dtc Description
DTC Description
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis
content)
DTC Detection Condition
...
Knock Sensor
Component Inspection
Component Inspection
CHECK KNOCK SENSOR
Turn ignition switch OFF.
Disconnect knock sensor harness
connector.
Check resistance between knock sensor
terminals ...