Nissan Sentra manuals

Nissan Sentra Service Manual: B0020 Side airbag module LH

Description

DTC B0020 FRONT LH SIDE AIR BAG MODULE

The front LH side air bag module is wired to the air bag diagnosis sensor unit. The air bag diagnosis sensor unit will monitor for opens and shorts in detected lines to the front LH side air bag module.

PART LOCATION

Refer to SRC-5, "Component Parts Location".

DTC Logic

DTC DETECTION LOGIC

With CONSULT

DTC CONFIRMATION PROCEDURE (With CONSULT)


DTC CONFIRMATION PROCEDURE (With CONSULT)

1.CHECK SELF-DIAG RESULT

  1. Turn ignition switch ON.
  2. Check for DTC using CONSULT.

Is the DTC detected? YES (Current DTC)>>Refer to SRC-51, "Diagnosis Procedure".

YES (Past DTC)>>GO TO 2.

NO >> Inspection End.

2.ERASE SELF-DIAG RESULT

Erase the DTC using CONSULT.

Can the DTC be erased? YES >> Inspection End.

NO >> Refer to SRC-51, "Diagnosis Procedure".

DTC CONFIRMATION PROCEDURE (Without CONSULT)

1.CHECK SELF-DIAG RESULT

  1. Turn ignition switch ON.
  2. Check the air bag warning lamp status. Refer to SRC-17, "Trouble Diagnosis without CONSULT".

NOTE:

SRS will not enter diagnosis mode if no malfunction is detected in user mode.

Is the DTC detected? YES >> Refer to SRC-51, "Diagnosis Procedure".

NO >> Inspection End.

Diagnosis Procedure

1.HARNESS CONNECTOR

Visually inspect all applicable harness connectors for the following:

NOTE:

All harness connectors should be inspected from the air bag diagnosis sensor unit to the end component (including any in-line connectors).

Is the inspection result normal? YES >> GO TO 2.

NO >> Perform one of the following repairs:

2.CONFIRM DTC

  1. Reconnect all harness connectors.
  2. Turn ignition switch ON.
  3. Check for DTC using CONSULT.

Is DTC still current? YES >> GO TO 3.

NO >> Refer to GI-39, "Intermittent Incident".

3.WIRING HARNESS

Check the wiring harness for visible damage.

NOTE:

The entire wiring harness should be inspected from the air bag diagnosis sensor unit to the end component (including any in-line connectors).

Is the inspection result normal? YES >> GO TO 4.

NO >> Replace the harness.

4.CONFIRM DTC

  1. Reconnect all harness connectors.
  2. Turn ignition switch ON.
  3. Check for DTC using CONSULT

Is DTC still current? YES >> GO TO 5.

NO >> Refer to GI-39, "Intermittent Incident".

5.AIR BAG DIAGNOSIS SENSOR UNIT

  1. Replace the air bag diagnosis sensor unit. Refer to SR-28, "Removal and Installation".
  2. Turn ignition switch ON
  3. Check for DTC using CONSULT.

Is DTC still current? YES >> GO TO 6.

NO >> Clear DTC. Inspection End.

6.SIDE AIR BAG MODULE LH

  1. Replace the side air bag module LH. Refer to SR-24, "Removal and Installation".
  2. Turn ignition switch ON.
  3. Check for DTC using CONSULT.

Is DTC still current? YES >> GO TO 7.

NO >> Clear DTC. Inspection End.

7.RELATED HARNESS

Replace the related harness.

>> END

B0010, B0011 Passenger airbag module
Description DTC B0010, B0011 PASSENGER AIR BAG MODULE The passenger air bag module is dual stage and is wired to the air bag diagnosis sensor unit. The air bag diagnosis sensor unit will monitor ...

B0021 Side curtain air bag module LH
Description DTC B0021 LH SIDE CURTAIN AIR BAG MODULE The LH side curtain air bag module is wired to the air bag diagnosis sensor unit. The air bag diagnosis sensor unit will monitor for opens an ...

Other materials:

Headlamp (lo) circuit
Description The ipdm e/r (intelligent power distribution module engine room) controls the headlamp low relay based on inputs from the bcm over the can communication lines. When the headlamp low relay is energized, power flows through fuses 43 and 44, located in the ipdm e/r. Power then flows ...

Periodic maintenance
In-cabin microfilter Exploded View Removal and Installation REMOVAL Remove the in-cabin microfilter cover. CAUTION: Before removing the in-cabin micofilter cover, let the vehicle rest for at least 30 minutes. Release the filter cover tab (A), then pull the bottom of the in-cabi ...

Service data and specifications (SDS)
Wheel Alignment (Unladen*1) *1: Fuel, engine coolant, and lubricants are full. Spare tire, jack, hand tools, and mats are in designated positions. *2: Since an adjustment mechanism is not included, the value of the left and right wheels (both wheels) must be used as the standard value. ...

В© 2014-2020 Copyright www.nisentra.com