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:

    ECM 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 loose connection (unit side and connector side). &nb ...

    B2190 nats antenna AMP.
    Description Performs ID verification through BCM and Intelligent Key when push-button ignition switch is pressed. Prohibits the start of engine when an unregistered ID of Intelligent Key is used. DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1.PERFORM DTC CONFIRMATION PROCED ...

    ECU diagnosis information
    ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) Reference Value VALUES ON THE DIAGNOSIS TOOL CAUTION: The display shows the control unit calculation data, so a normal value might be displayed even in the event the output circuit (harness) is open or short-circuited. Note 1: C ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2023 Copyright www.nimainfo.com
    0.011