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
- Start engine.
- 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
- Turn ignition switch ON.
- Check voltage between combination meter harness connector M24 terminal 35 and ground.
2. CHECK SEAT BELT BUCKLE SWITCH LH CIRCUIT
- Turn ignition switch OFF.
- Disconnect combination meter and seat belt buckle switch LH.
- Check continuity between combination meter harness connector M24 terminal 35 and seat belt buckle switch LH harness connector B202 terminal 1.
- 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
- Turn ignition switch OFF.
- Disconnect the seat belt buckle switch LH connector.
- 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.
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Other materials:
Fuel injector
Description
The fuel injector is a small, precise solenoid valve. When the ECM
supplies a ground to the fuel injector circuit, the coil in the fuel injector
is energized. The energized coil pulls the ball valve back and
allows fuel to flow via the fuel injector into the intake manifold. T ...
Instrument Panel
Vent
Headlight/fog light/turn signal switch
Supplemental front-impact air bag. Horn
Meters and gauges. Warning and indicator lights. Vehicle information
display
Paddle shifters (if so equipped)
Wiper and washer switch
Audio controls*. Navigation controls*
Hazard warning flash ...
P0139, P0159 HO2S2
Description
The heated oxygen sensor 2, after three way catalyst (manifold),
monitors the oxygen level in the exhaust gas on each bank.
Even if switching characteristics of the air fuel ratio (A/F) sensor 1
are shifted, the air-fuel ratio is controlled to stoichiometric, by the signal
...
Nissan Maxima Owners Manual
- Illustrated table of contents
- Safety-Seats, seat belts and supplemental restraint system
- Instruments and controls
- Pre-driving checks and adjustments
- Monitor, climate, audio, phone and voice recognition systems
- Starting and driving
- In case of emergency
- Appearance and care
- Do-it-yourself
- Maintenance and schedules
- Technical and consumer information
Nissan Maxima Service and Repair Manual
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