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:
Removal and installation
Ipdm e/r
Exploded view
Ipdm e/r
IPDM E/R cover A
Ipdm e/r cover b
Removal and installation
Caution:
Ipdm e/r integrated relays are not serviceable and must not be removed
from unit.
Removal
Remove inlet air duct (upper). Refer to em-25, "removal and
installation" ...
Precaution for supplemental restraint system (srs) "air bag" and "seat belt
pre-tensioner"
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”,
used along
with a front seat belt, helps to reduce the risk or severity of injury to the
driver and front passenger for certain
types of collision. Information necessary to service the system ...
Heater and Air Conditioner (manual) (if so equipped)
WARNING
The air conditioner cooling function operates
only when the engine is running.
Do not leave children or adults who would
normally require the assistance of others
alone in your vehicle. Pets should also not
be left alone. They could accidentally injure
them ...
