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:
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
...
Variable voltage control system
CAUTION
Do not ground accessories directly to
the battery terminal. Doing so will bypass
the variable voltage control system
and the vehicle battery may not
charge completely.
Use electrical accessories with the engine
running to avoid discharging the
vehicle battery.
Your v ...
Wheel alignment
Inspection
DESCRIPTION
Measure the wheel alignment under unladen conditions.
NOTE:
“Unladen conditions” means that fuel, engine coolant, and lubricants are
full. Spare tire, jack, hand tools and
mats are in designated positions.
PRELIMINARY
Check the following:
Tires for impro ...
