Nissan Sentra Service Manual: Dtc/circuit diagnosis
- U1000 can comm circuit
- U1010 control unit (can)
- B2205 vehicle speed
- B2267 engine speed
- B2268 water temp
- Power supply and ground circuit
- Steering switch (meter control switch) signal circuit
- Illumination control switch signal circuit
- Fuel level sensor signal circuit
- Parking brake switch signal circuit
- Ambient sensor signal circuit
- A/c auto amp. Connection recognition signal circuit
- Washer fluid level switch circuit
Basic inspection
Diagnosis and repair workflow
Work flow
Overall sequence
Detailed flow
1.Obtain information about symptom
Interview the customer to obtain as much information as possible about the
conditio ...
U1000 can comm circuit
Dtc logic
Dtc detection logic
Dtc
Consult
Detection condition
Possible malfunction location
U1000
Can comm circ
[u1000]
When combination meter is not receiving can ...
Other materials:
Door parting seal
Exploded View
Rear door panel
Rear door parting seal
Front door parting seal
Front door panel
Pawl
Front
Removal and Installation
Release parting seal pawls, then remove parting seal.
INSTALLATION
Installation is in the reverse order of removal. ...
ECU diagnosis information
A/C AUTO AMP
Reference Value
VALUES ON THE DIAGNOSIS TOOL
TERMINAL LAYOUT
PHYSICAL VALUES
DTC Inspection Priority Chart
If some DTCs are displayed at the same time, perform inspections one by one
based on the following priority
chart.
DTC Index
*: Perform self ...
P0420 Three way catalyst function
DTC Logic
DTC DETECTION LOGIC
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 storage c ...
