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.

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Other materials:

System description
Component parts Component parts location BCM (view with instrument panel removed) ECM IPDM E/R Combination meter Security indicator lamp CVT shift selector (park position switch) (view with center console removed) Stop lamp switch Push button ignition switch NATS anten ...

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 ...

Precaution for Liquid Gasket
REMOVAL OF LIQUID GASKET After removing nuts and bolts, separate the mating surface, using Tool and remove old liquid gasket. Tool number : KV10111100 (J-37228) CAUTION: Be careful not to damage the mating surfaces. Tap (1) Tool to insert it, and then slide it (2) by tapping on t ...

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