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:
Main line between dlc and hvac circuit
Diagnosis Procedure
1.Check harness continuity (open circuit)
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Disconnect the following harness connectors.
Ecm
A/c auto amp.
Check the continuity between the data link connector and the a/c ...
Dtc/circuit diagnosis
Eco mode switch
Component function check
1. Check eco mode switch operation
Turn ignition switch ON.
Check ECO mode indicator lamp turns ON/OFF on combination meter when
turn ECO mode switch ON/
OFF.
Is the inspection result normal?
Yes >> inspection end
No >> go to dm ...
Ecu diagnosis information
Audio unit
Reference value
Terminal layout
Physical values
BluetoothВ® control unit
Reference Value
Terminal layout
Physical values
...