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:
P1652 Starter motor system comm
Description
ECM controls ON/OFF state of the starter relay, according to the engine and
vehicle condition. ECM transmits
a control signal to IPDM E/R via BCM by CAN communication.
Under normal conditions, ECM controls and maintains the starter relay in OFF
state during following condition:
...
Wiring diagram
Nvis (nissan vehicle immobilizer system-
nats)
Wiring Diagram
Vehicle security system
Wiring diagram
...
Eco mode control
ECO MODE CONTROL : System Description
SYSTEM DIAGRAM
SYSTEM DESCRIPTION
ECM receives an ECO mode signal from combination meter via CAN
communication and improves the fuel
economy by controlling the throttle movement to less than usual. Therefore,
driving characteristic is controlle ...
