Nissan Sentra Service Manual: A-bag branch line circuit

Nissan Sentra Service Manual / Electrical & power control / Lan system / Can system (type 3) / A-bag branch line circuit

Diagnosis procedure

Warning:

Always observe the following items for preventing accidental activation.

Before servicing, turn ignition switch off, disconnect battery negative terminal, and wait 3 minutes or more. (To discharge backup capacitor.)
Never use unspecified tester or other measuring device.

1.Check connector

Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
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:

Eps 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 eps control unit for damage, bend and loose connection (unit side and connector side). Is the inspection result norm ...

Fuel-filler cap
WARNING Gasoline is extremely flammable and highly explosive under certain conditions. You could be burned or seriously injured if it is misused or mishandled. Always stop the engine and do not smoke or allow open flames or sparks near the vehicle when refuelin ...

Headlamp (hi) circuit
Description The IPDM E/R (intelligent power distribution module engine room) controls the headlamp high relay based on inputs from the BCM over the CAN communication lines. When the headlamp high relay is energized, power flows through fuses 41 and 42, located in the IPDM E/R. Power then flo ...