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:
P0172 Fuel injection system function
DTC Logic
DTC DETECTION LOGIC
With the Air/Fuel Mixture Ratio Self-Learning Control, the actual mixture
ratio can be brought closely to the
theoretical mixture ratio based on the mixture ratio feedback signal from the
A/F sensors 1. The ECM calculates
the necessary compensation to correct th ...
Periodic maintenance
ENGINE COOLANT
System Inspection
WARNING:
Do not remove the radiator cap when the engine is hot. Serious
burns could occur from high pressure
engine coolant escaping from the radiator.
Wrap a thick cloth around the cap. Slowly push down and turn it
a quarter turn to allow built-up pr ...
B1428 Seat belt buckle switch LH
Description
DTC B1428 SEAT BELT BUCKLE SWITCH LH
The air bag diagnosis sensor unit monitors the seat belt buckle switch LH
status. If the control unit detects an
open or short condition in the circuit, it will set the DTC.
PART LOCATION
Refer to SRC-5, "Component Parts Location".
...