Nissan Sentra manuals

Nissan Sentra Service Manual: A-bag branch line circuit

Diagnosis procedure

Warning:

Always observe the following items for preventing accidental activation.

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 air bag diagnosis sensor unit for damage, bend and loose connection (unit side and connector side).

Is the inspection result normal? Yes >> go to 2.

No >> replace the main harness.

2.Check air bag diagnosis sensor unit

Check the air bag diagnosis sensor unit. Refer to src-38, "work flow".

Is the inspection result normal? Yes >> replace the main harness.

No >> replace parts whose air bag system has a malfunction.

Tcm branch line circuit
Diagnosis procedure 1.Check connector Turn the ignition switch off. Disconnect the battery cable from the negative terminal. Check the following terminals and connectors for damage, bend and ...

Dlc 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 data link connector for ...

Other materials:

B142X Collision detection
Description DTC B142X COLLISION DETECTION The air bag diagnosis sensor unit will set this DTC if it has detected a collision which has resulted in a deployment of one or more air bags or pre-tensioners. If this DTC is detected after a SRS repair, the air bag diagnosis sensor unit has not yet ...

Precaution for work
When removing or disassembling each component, be careful not to damage or deform it. If a component may be subject to interference, be sure to protect it with a shop cloth. When removing (disengaging) components with a screwdriver or similar tool, be sure to wrap the component with a ...

ABS Warning lamp
Component Function Check 1.CHECK ABS WARNING LAMP FUNCTION Check that ABS warning 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 procedure. ...

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