Nissan Maxima Service and Repair Manual: B1049 - B1052, B1054 - B1057 driver airbag module

Description

DTC B1049 - B1052, B1054 - B1057 DRIVER AIRBAG MODULE

The driver air bag module is dual stage and wired to the air bag diagnosis sensor unit through the spiral cable.
The air bag diagnosis sensor unit will monitor for opens and shorts in detected lines to the driver air bag module
including the spiral cable.

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.CHECK SPIRAL CABLE CIRCUIT

  1. Turn ignition switch OFF.
  2. Disconnect driver air bag module connector and combination switch (spiral cable) connector.
  3. Check continuity between driver air bag module harness connector and combination switch (spiral cable)
    harness connector.
  4. Check continuity between driver air bag module harness connector and ground.

Nissan Maxima. CHECK SPIRAL CABLE CIRCUIT

Nissan Maxima. CHECK SPIRAL CABLE CIRCUIT

5.CONFIRM DTC

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

6.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.

7.FRONT DRIVER AIR BAG MODULE

  1. Replace the driver air bag module. Refer to SR-12, "Removal and Installation".
  2. Turn ignition switch ON.
  3. Check for DTC using CONSULT.

8.RELATED HARNESS

Replace the related harness.

    DTC/circuit diagnosis
    ...

    B1065 - B1068, B1070 - B1073 passenger airbag module
    Description DTC B1065 - B1068, B1070 - B1073 PASSENGER AIR BAG MODULE The passenger air bag module is dual stage and wired to the air bag diagnosis sensor unit. The air bag diagnosissensor unit wi ...

    Other materials:

    Telescopic switch
    Description ADP steering switch (telescopic switch) is equipped to the steering column. The operation signal is input to the automatic drive positioner control unit when the telescopic switch is operated. Component Function Check 1. CHECK FUNCTION Select "TELESCO SW-FR", "TELESCO SW-RR" i ...

    ASCD indicator
    Description ASCD indicator lamp illuminates to indicate ASCD operation status. CRUISE is integrated in combination meter. CRUISE illuminates when MAIN switch on ASCD steering switch is turned ON to indicated that ASCD system is ready for operation. Refer to EC-68, "System Diagram ...

    Intelligent key system symptoms
    Symptom Table ALL FUNCTIONS OF INTELLIGENT KEY SYSTEM DO NOT OPERATE NOTE: Before performing the diagnosis in the following table, check "WORK FLOW". Refer to DLK-9, "Work Flow". Check that vehicle is under the condition shown in "Conditions of vehicle" before starting diagn ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2020 Copyright www.nimainfo.com
    0.0115