Nissan Maxima Service and Repair Manual: B1017 - B1022 occupant classification system

Description

DTC B1017 - B1022 OCCUPANT CLASSIFICATION SYSTEM (OCS)

The occupant classification system control unit is wired to the air bag diagnosis sensor unit. The air bag diagnosis
sensor unit will monitor the occupant classification system for control unit and sensor mat failures and
interruptions in communication between the OCS control unit and the air bag diagnosis sensor unit.

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.RH FRONT SEAT CUSHION ASSEMBLY

  1. Replace the RH front seat cushion assembly. Refer to SE-68, "Removal and Installation" (with climate
    controlled seats) or SE-126, "Removal and Installation" (without climate controlled seats).
  2. Turn ignition switch ON.
  3. Check for DTC using CONSULT

7.RELATED HARNESS

Replace the related harness.

    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 diagnosissensor unit monitors the f ...

    B1209 - B1210 collision detection
    Description DTC B1209 - B1210 COLLISION DETECTION The air bag diagnosis sensor unit will set this DTC if it has detected a collision which has resulted in a frontalor side deployment of one or mor ...

    Other materials:

    Door switch
    Description Detects door open/close condition. Component Function Check 1. CHECK FUNCTION With CONSULT Check door switches DOOR SW-DR, DOOR SW-AS, DOOR SW-RL, DOOR SW-RR in Data Monitor mode with CONSULT. Diagnosis Procedure 1. CHECK DOOR SWITCH INPUT SIGNAL Turn ignition sw ...

    Preparation
    PREPARATION Special Service Tool The actual shapes of the tools may differ from those illustrated here. HFC-134a (R-134a) Service Tool and Equipment Do not mix HFC-134a (R-134a) refrigerant and/or its specified oil with CFC-12 (R-12) refrigerant and/or its oil. Separate and non-interchang ...

    Rain-sensing auto wiper system (if so equipped)
    The rain-sensing auto wiper system can automatically turn on the wipers and adjust the wiper speed depending on the rainfall and the vehicle speed by using the rain sensor located on the upper part of the windshield. To set the rain-sensing auto wiper system, push the lever down to the A ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2025 Copyright www.nimainfo.com
    0.0056