Nissan Maxima Service and Repair Manual: Seat belt buckle switch signal circuit

Description

Transmits a seat belt buckle switch LH signal to the combination meter.

Component Function Check

1. CHECK COMBINATION METER INPUT SIGNAL

  1. Start engine.
  2. Monitor seat belt warning lamp while fastening and unfastening the driver seat belt.

Diagnosis Procedure

Regarding Wiring Diagram information, refer to WCS-54, "Wiring Diagram".

1. CHECK COMBINATION METER INPUT SIGNAL

  1. Turn ignition switch ON.
  2. Check voltage between combination meter harness connector M24 terminal 35 and ground.

2. CHECK SEAT BELT BUCKLE SWITCH LH CIRCUIT

  1. Turn ignition switch OFF.
  2. Disconnect combination meter and seat belt buckle switch LH.
  3. Check continuity between combination meter harness connector M24 terminal 35 and seat belt buckle switch LH harness connector B202 terminal 1.
  4. Check harness continuity between combination meter harness connector M24 terminal 35 and ground.

3. CHECK SEAT BELT BUCKLE SWITCH LH GROUND CIRCUIT

Check harness continuity between seat belt buckle switch LH harness connector B202 terminal 2 and ground.

Component Inspection

 CHECK SEAT BELT BUCKLE SWITCH LH

  1. Turn ignition switch OFF.
  2. Disconnect the seat belt buckle switch LH connector.
  3. Check continuity between the seat belt buckle LH terminals 1 and 2.
    Meter buzzer circuit
    Description The buzzer for warning chime system is installed in the combination meter. The combination meter sounds the alarm buzzer based on the signals transmitted from various units. ...

    ECU diagnosis information
    ...

    Other materials:

    Checking engine coolant level
    Check the coolant level in the reservoir when the engine is cold. If the coolant level is below the MIN level B , add coolant to the MAX level A . If the reservoir is empty, check the coolant level in the radiator when the engine is cold. If there is insufficient coolant in the radiator, fi ...

    P0014, P0024 EVT control
    DTC Logic DTC DETECTION LOGIC NOTE:  If DTC P0014 or P0024 is displayed with DTC P0078, P0084 first perform trouble diagnosis for DTC P0078, P0084. Refer to EC-180, "DTC Logic".  If DTC P0014 or P0024 is displayed with DTC P1078, P1084 first perform trouble diagn ...

    Precaution
    PRECAUTIONS Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER" The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER", used along with a front seat belt, helps to reduce the risk or severity of injury to ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2026 Copyright www.nimainfo.com
    0.0162