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 signal circuit
Description The fuel level sensor unit and fuel pump detects the approximate fuel level in the fuel tank and transmits the fuel level signal to the combination meter. Component function check 1.Combination meter input signal Select meter/m&a on consult. Using FUEL METER of DATA MONI ...

Slip indicator lamp
Component Function Check 1.CHECK SLIP INDICATOR LAMP FUNCTION Check that slip indicator lamp in combination meter turns ON for approximately 2 seconds after ignition switch is turned ON. Is the inspection result normal? YES >> Inspection End. NO >> Proceed to diagnosis proce ...

Normal operating condition
Description Symptom Result Slight vibrations are felt on the brake pedal and operation noises occur when VDC, TCS or ABS is activated. This is a normal condition due to the VDC, TCS or ABS activation. Stopping distance is longer than that of vehicles without ...

В© 2014-2026 Copyright b17.nisentra.com