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
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Other materials:

How to use this manual
Description This volume explains “Removal, Disassembly, Installation, Inspection and Adjustment” and “Trouble Diagnoses”. Terms The captions WARNING and CAUTION warn you of steps that must be followed to prevent personal injury and/or damage to some part of the vehi ...

Service data and specifications (SDS)
Wheel Alignment (Unladen*1) UNITED STATES and CANADA *1: Fuel, engine coolant, and lubricants are full. Spare tire, jack, hand tools, and mats are in designated positions. *2: The difference when assuming the (LH) side is the standard. Ball Joint Wheelarch Height (Unladen*) UNITED S ...

System description
Component parts Component part location ECM IPDM E/R BCM (view with instrument panel removed) A/C auto amp. (view with A/C switch assembly removed) A/C switch assembly A/C Compressor Refrigerant pressure sensor (view with front bumper fascia removed) Ambient sensor S ...

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