Nissan Sentra Service Manual: BCM 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 bcm 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 bcm.
- Check the resistance between the bcm harness connector terminals.
- Without intelligent key system
- With Intelligent Key system
Is the measurement value within the specification? YES >> GO TO 3.
NO >> Repair the BCM branch line.
3.Check power supply and ground circuit
Check the power supply and the ground circuit of the bcm. Refer to the following.
- With intelligent key system: refer to bcs-67, "diagnosis procedure".
- Without intelligent key system: refer to bcs-120, "diagnosis procedure".
Is the inspection result normal? Yes (present error)>>replace the bcm. Refer to the following.
- With Intelligent Key system: Refer to BCS-73, "Removal and Installation".
- Without intelligent key system: refer to bcs-126, "removal and installation".
Yes (past error)>>error was detected in the bcm branch line.
No >> repair the power supply and the ground circuit.
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 ...
Can communication circuit
Diagnosis procedure
1.Connector inspection
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Disconnect all the unit connectors on CAN communication syste ...
Other materials:
Trip computer
When the ignition switch is placed in the ON
position, the modes of the trip
computer can be
selected by pressing the button on the
steering wheel. The following modes can be selected:
Trip A
Trip B
ECO Pedal Indicator
Instant fuel economy
Average fuel economy
Average speed
Dis ...
Off-road recovery
If the right side or left side wheels unintentionally
leave the road surface, maintain control of the
vehicle by following the procedure below. Please
note that this procedure is only a general guide.
The vehicle must be driven as appropriate based
on the conditions of the vehicle, road and t ...
General Precaution
WARNING:
When replacing fuel line parts, be sure to observe the following.
Put a “CAUTION: FLAMMABLE” sign in the work area.
Be sure to work in a well ventilated area and have a CO2 fire
extinguisher.
Do not smoke while working on the fuel system. Keep open flames
and sparks ...
