Nissan Sentra Service Manual: Symptom diagnosis
Noise, vibration and harshness (NVH) troubleshooting
NVH Troubleshooting Chart
Use the chart below to find the cause of the symptom. The numbers indicate the order of the inspection. If necessary, repair or replace these parts.
Preparation
Special Service Tools
The actual shape of the tools may differ from those illustrated here
Commercial Service Tools
...
Other materials:
P0112, P0113 IAT Sensor
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0112
IAT SEN/CIRCUIT- B1
(Intake air temperature
sensor 1 circuit low bank 1)
An excessively low voltage from the intake air
tem ...
Coil spring
Exploded View
Upper rubber seat
Coil spring
Lower rubber seat
Rear suspension beam
Front
Removal and Installation
REMOVAL
Set a suitable jack under the rear suspension beam.
CAUTION:
At this step, the jack must be set only for supporting the removal
procedure. For d ...
P0138 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.
MALFUNCTION A
To judge the malfunction ...
