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:
U1300 AV comm circuit
Description
U1300 is indicated when malfunction occurs in communication signal of multi
AV system. Indicated simultaneously,
without fail, with the malfunction of control units connected to AV control unit
with communication line.
Determine the possible malfunction cause from the table bel ...
IPDM E/R (intelligent power distribution module engine room)
Reference Value
VALUES ON THE DIAGNOSIS TOOL
TERMINAL LAYOUT
Fail Safe
CAN COMMUNICATION CONTROL
When CAN communication with ECM and BCM is impossible, IPDM E/R performs
fail-safe control. After CAN
communication recovers normally, it also returns to normal control.
If No ...
Key slot
Diagnosis Procedure
Regarding Wiring Diagram information, refer to SEC-147,
"Wiring Diagram" or SEC-128, "Wiring Diagram".
1.CHECK KEY SLOT POWER SUPPLY CIRCUIT
Turn ignition switch OFF.
Disconnect key slot connector.
Check voltage between slot harness co ...
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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