Nissan Sentra B18 (2020-2025) Service Manual: A/f Sensor 1 Heater
Component Inspection
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CHECK AIR FUEL RATIO (A/F) SENSOR 1 HEATER
-
Turn ignition switch OFF.
-
Disconnect air fuel ratio (A/F) sensor 1 harness connector.
-
Check resistance between A/F sensor 1 terminals as per the following.
A/F sensor 1
Condition
Resistance
+
−
Terminal
3
4
Temperature
25°C (77°F)
1.80 – 2.44 Ω
1
Not existed
2
4
1
2
Is the inspection result normal?
YES >>INSPECTION END
NO >>GO TO 2.
-
-
REPLACE A/F SENSOR 1
Replace A/F sensor 1. Refer to Exploded View.
CAUTION:
-
Discard any A/F sensor which has been dropped from a height of more than 0.5 m (19.7 in) onto a hard surface such as a concrete floor; use a new one.
-
Before installing new A/F sensor, clean exhaust system threads.
INSPECTION END
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Accelerator Pedal Position Sensor
Component Inspection
Component Inspection
CHECK ACCELERATOR PEDAL POSITION
SENSOR
Turn ignition switch OFF.
Reconnect all ...
Other materials:
Service Data and Specifications (sds)
General Specifications
General Specifications
Transaxle type
RS6F94R
Engine type
MR20DD
...
Normal Operating Condition
Description
Description
PRECAUTIONS FOR BLIND SPOT WARNING
The Blind Spot Warning system is not a replacement for
proper driving procedure and is not designed to prevent contact with
Nissan Sentra vehicles or objects. When changing lanes, always use the side and re ...
Compass display (if so equipped)
This unit measures terrestrial magnetism and indicates
heading direction of vehicle.
With the ignition switch in the ON position, press
the button as described in the
chart below
to activate various features of the automatic antiglare
rearview mirror.
For more information about the au ...
