Nissan Sentra B18 (2020-2025) Service Manual: Symptom Diagnosis
- Intelligent Key System Symptoms
- Engine Can Not Start
- Engine Does Not Start When Intelligent Key Is Inside of Vehicle
- Engine Does Not Start When Intelligent Key Is Inside of Vehicle (one Key)
- Door Does Not Lock/unlock and Engine Does Not Start (req Sw/push Sw) (one Key)
- Remote Engine Start Function Does Not Operate
Other materials:
P0420 Three Way Catalyst Function
Dtc Description
DTC Description
The ECM monitors the switching frequency ratio of air fuel ratio
(A/F) sensor 1 and heated oxygen sensor 2.
A three way catalyst (manifold) with high oxygen storage capacity
will indicate a low switching frequency of heated oxygen sensor 2. As oxygen ...
Clutch Master Cylinder (clutch Switch)
Component Function Check
Component Function Check
CHECK FUNCTION
CONSULT
Ignition switch ON.
Select “INTELLIGENT KEY” mode of
“BCM”.
...
Symptom Diagnosis. Overheating Cause Analysis
Overheating Cause Analysis
Diagnosis Chart by Symptom
Diagnosis Chart by Symptom
Symptom
Inspection item
Cooling system
...