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:

Front wiper does not operate
Description The front wiper does not operate under any operation conditions Diagnosis procedure Regarding wiring diagram information, refer to ww-24, "wiring diagram - with intelligent key" or ww-29, "wiring diagram - without intelligent key". 1. Check wiper relay operatio ...

Unit disassembly and assembly
TRANSAXLE ASSEMBLY Exploded View CASE AND HOUSING Filler plug Gasket Transaxle case Bushing Snap ring Oil channel Oil gutter Position switch Bracket Differential side oil seal Magnet Drain plug Input shaft oil seal Clutch housing 2 way connector Plug Pinion ...

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 > ...

В© 2014-2025 Copyright www.nisentra.com