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.
...
Other materials:
U122A AV control unit
DTC Logic
Diagnosis Procedure
1.PERFORM THE SELF-DIAGNOSIS
When U122A is detected, write configuration data with "MULTI AV" of CONSULT.
U122E AV CONTROL UNIT
DTC Logic
DTC DETECTION LOGIC
...
Diagnosis and repair workflow
Work Flow
OVERALL SEQUENCE
DETAILED FLOW\
1.CHECK SYMPTOM
Check the malfunction symptoms by performing the following items.
Interview the customer to obtain the malfunction information
(conditions and environment when the malfunction occurred).
Check the symptom.
2.SELF-DIAGNOSIS ( ...
Preparation
Special Service Tool
The actual shapes of the tools may differ from those illustrated her
Commercial Service Tool
...
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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