Nissan Sentra manuals

Nissan Sentra Service Manual: BCM branch line circuit

Diagnosis procedure

1.Check connector

  1. Turn the ignition switch off.
  2. Disconnect the battery cable from the negative terminal.
  3. 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

  1. Disconnect the connector of BCM.
  2. Check the resistance between the BCM harness connector terminals.


Is the measurement value within the specification?


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.

Is the inspection result normal? YES (Present error)>>Replace the BCM. Refer to the following.

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:

Fuel level sensor unit, fuel filter and fuel pump assembly
Exploded View Lock ring Fuel level sensor, fuel filter and fuel pump assembly O-ring Fuel tank Removal and Installation WARNING: Read “General Precautions” when working on the fuel system. Refer to FL-2, "General Precaution". NOTE: When removing componen ...

B00D5 Passenger air bag OFF Indicator
Description DTC B00D5 FRONT PASSENGER AIR BAG OFF INDICATOR The front passenger air bag off indicator is wired to the air bag diagnosis sensor unit. The air bag diagnosis sensor unit monitors the front passenger air bag off indicator and circuit for failures. PART LOCATION Refer to SRC-5, ...

Low tire pressure warning lamp does not turn on
Low Tire pessure Warning Lamp Does Not Come On When Ignition Switch Is Turned On Note: The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II User Guide for additional information. Activate and display TPMS transmitter IDs Display t ...

© 2014-2025 Copyright www.nisentra.com