Nissan Sentra Service Manual: Basic inspection
Diagnosis and repair workflow
Interview sheet
Note:
Refer to LAN-16, "Trouble Diagnosis Procedure" for how to use interview sheet.
Wiring diagram
Can system
Wiring Diagram
...
Dtc/circuit diagnosis
Malfunction area chart
Main line
Branch line
Short circuit
Main line between ipdm-e and dlc circuit
Diagnosis procedure
1.Check connector
Turn the ignition switch off.
Discon ...
Other materials:
A-bag branch line circuit
Diagnosis procedure
Warning:
Always observe the following items for preventing accidental
activation.
Before servicing, turn ignition switch off, disconnect battery
negative terminal, and wait 3 minutes
or more. (To discharge backup capacitor.)
Never use unspecified tester or other me ...
Indicator lights
Continuously
Variable
Transmission (CVT) position
indicator light (if so equipped)
When the ignition switch is placed in the ON
position, this indicator light shows the transmission
shift lever position. See “Driving the vehicle”
in the “Starting and driving” section of this
manual ...
P0137 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 (manifold) causes the
longer switching time. To judge the malfunctions of heated oxygen
...
