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:

    Harness connector
    Description HARNESS CONNECTOR (TAB-LOCKING TYPE) The tab-locking type connectors help prevent accidental looseness or disconnection. The tab-locking type connectors are disconnected by pushing or lifting the locking tab(s). Refer to the figure below. Refer to the next page for desc ...

    Break-in schedule
    CAUTION During the first 1,200 miles (2,000 km), follow these recommendations to obtain maximum engine performance and ensure the future reliability and economy of your new vehicle. Failure to follow these recommendations may result in shortened engine life and reduced engine performance. ...

    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

    © 2017-2026 Copyright www.nimainfo.com
    0.0054