Nissan Sentra B18 (2020-2025) Service Manual: Fuel Injector Relay
Component Inspection
Component Inspection
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CHECK FUEL INJECTOR RELAY
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Turn ignition switch OFF.
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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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Other materials:
B203f-14 Outside Antenna
Dtc Description
DTC Description
DTC DETECTION LOGIC
DTC No.
CONSULT screen items
(Trouble diagnosis
content)
DTC detecting condition
...
Clutch. Precaution. Precautions
Precautions
Precaution for Supplemental Restraint System (srs) "air Bag" and "seat Belt Pre-Tensioner"
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
The Supplemental Restraint System such as
“AIR BAG” and “SEAT BELT PRE-T ...
P0300 Misfire
Dtc Description
DTC Description
When a misfire occurs, engine speed will fluctuate. If the engine
speed fluctuates enough to cause the crankshaft position (CKP) sensor signal to
vary, ECM can determine that a misfire is occurring.
...