Nissan Sentra Service Manual: Av branch line circuit
Diagnosis Procedure
1.Check connector
- Turn the ignition switch off.
- Disconnect the battery cable from the negative terminal.
- Check the terminals and connectors of the av control unit for damage, bend and loose connection (unit side and connector side).
Is the inspection result normal? Yes >> go to 2.
No >> repair the terminal and connector.
2.Check harness for open circuit
- Disconnect the connector of av control unit.
- Check the resistance between the av control unit harness connector terminals.
- With navigation system without BOSE audio system
- With navigation system and bose audio system
Is the measurement value within the specification? Yes >> go to 3.
No >> repair the av control unit branch line.
3.Check power supply and ground circuit
Check the power supply and the ground circuit of the av control unit. Refer to the following.
- With navigation system without bose audio system: refer to av-270, "av control unit : diagnosis procedure".
- With navigation system and bose audio system: refer to av-370, "av control unit : diagnosis procedure".
Is the inspection result normal? Yes (present error)>>replace the av control unit. Refer to the following.
- With navigation system without bose audio system: refer to av-298, "removal and installation".
- With navigation system and bose audio system: refer to av-406, "removal and installation".
Yes (past error)>>error was detected in the av control unit branch line.
No >> repair the power supply and the ground circuit.
Strg branch line circuit
Diagnosis procedure
1.Check connector
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the steering angle sensor fo ...
Hvac branch line circuit
Diagnosis procedure
1.Check connector
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the a/c auto amp. For damage ...
Other materials:
Ecu diagnosis information
Audio unit
Reference value
Terminal layout
Physical values
BluetoothВ® control unit
Reference Value
Terminal layout
Physical values
...
System
VDC/TCS/ABS
VDC/TCS/ABS : System Diagram
VDC/TCS/ABS : System Description
The system switches fluid pressure of each brake caliper and
each wheel cylinder to increase, to hold, or to
decrease according to signals from control unit in ABS actuator and electric
unit (control unit) ...
P2122, P2123 APP Sensor
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P2122 or P2123 is displayed with DTC P0643, first perform the
trouble diagnosis for DTC P0643.
Refer to EC-353, "DTC Logic".
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible caus ...
