Nissan Maxima Service and Repair Manual: B1023 passenger air bag off indicator

Description

DTC B1023 FRONT PASSENGER AIR BAG OFF INDICATOR

The front passenger air bag off indicator is wired to the air bag diagnosis sensor unit. The air bag diagnosis
sensor unit monitors the front passenger air bag off indicator and circuit for failures.

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.PASSENGER AIR BAG OFF INDICATOR

  1. Replace the passenger air bag off indicator. Refer to IP-11, "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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