Nissan Sentra Service Manual: How to read wiring diagrams
Connector symbols
Most of connector symbols in wiring diagrams are shown from the terminal
side.
Connector symbols shown from the terminal side are enclosed by
a single line and followed by the direction mark.
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Other materials:
P0139 HO2S2
DTC Logic
DTC DETECTION LOGIC
The heated oxygen sensor 2 has a much longer switching time
between rich and lean than the air fuel ratio (A/F) sensor 1. The oxygen
storage capacity of the three way catalyst 1 causes the longer
switching time. To judge the malfunctions of heated oxygen sensor
2, ...
Fuel-filler cap
WARNING
Gasoline is extremely flammable and
highly explosive under certain conditions.
You could be burned or seriously
injured if it is misused or mishandled.
Always stop the engine and do not
smoke or allow open flames or sparks
near the vehicle when refuelin ...
Front door
Door assembly
Door assembly : removal and installation
CAUTION:
Use two people when removing or installing the front door assembly
due to its heavy weight.
When removing and installing front door assembly, support front
door using a suitable tool.
Do not use air tools or electric to ...
