Nissan Maxima Service and Repair Manual: B1086 - B1089 seat belt pre-tensioner LH

Nissan Maxima Service and Repair Manual / Restraints / SRS airbag control system / DTC/circuit diagnosis / B1086 - B1089 seat belt pre-tensioner LH

Description

DTC B1086 - B1089 SEAT BELT PRE-TENSIONER LH

The seat belt pre-tensioner LH 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 seat belt pre-tensioner LH.

PART LOCATION

DTC Logic

DTC DETECTION LOGIC

With CONSULT

Nissan Maxima. DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE (With CONSULT)

1.CHECK SELF-DIAG RESULT

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

2.ERASE SELF-DIAG RESULT

Erase the DTC using CONSULT.

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-14, "Trouble Diagnosis without CONSULT".

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

Diagnosis Procedure

1.HARNESS CONNECTOR

Visually inspect all applicable harness connectors for the following:

  • Visible damage to connector or terminal
  • Loose terminal
  • Poor connection

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

2.CONFIRM DTC

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

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).

4.CONFIRM DTC

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

5.AIR BAG DIAGNOSIS SENSOR UNIT

  1. Replace the air bag diagnosis sensor unit. Refer to SR-31, "Removal and Installation".
  2. Turn ignition switch ON.
  3. Check for DTC using CONSULT.

6.SEAT BELT PRE-TENSIONER LH

  1. Replace the seat belt pre-tensioner LH. Refer to SB-6, "Removal and Installation".
  2. Turn ignition switch ON.
  3. Check for DTC using CONSULT.

7.RELATED HARNESS

Replace the related harness.

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