Nissan Murano: System / Warning Chime System
SYSTEM DIAGRAM
DESCRIPTION
Combination Meter
The combination meter sounds the alarm buzzer installed in the combination meter when receiving the buzzer output signal transmitted from each unit.
BCM
BCM receives signals from various units and transmits a buzzer output signal to the combination meter via CAN communication if it judges that the warning buzzer should be activated.
Air Bag Diagnosis Sensor Unit
Air bag diagnosis sensor unit receives signals from the rear seat belt buckle switches, then transmits the signal to the combination meter via CAN communication.
WARNING CHIME FUNCTION LIST
| Warning functions | Refer to |
|---|---|
| Light reminder warning | Light Reminder Warning |
| Parking brake release warning chime | Parking Brake Release Warning Chime |
| Seat belt warning chime | Seat Belt Warning Chime |
COMBINATION METER INPUT/OUTPUT SIGNAL (CAN COMMUNICATION SIGNAL)
Input signal
| Signal name | Transmit unit |
|---|---|
| Nissan Murano Vehicle speed signal | ABS actuator and electric unit (control unit) |
| Buzzer output signal | BCM |
|
Air bag diagnosis sensor unit |
Output signal
| Signal name | Reception unit |
|---|---|
| Nissan Murano Vehicle speed signal | BCM |
| Front seat belt buckle switch LH/RH signals | BCM |
BCM INPUT/OUTPUT SIGNAL (CAN COMMUNICATION SIGNAL)
Input signal
| Signal name | Transmit unit |
|---|---|
| Nissan Murano Vehicle speed signal | Combination meter |
| Front seat belt buckle switch LH/RH signals | Combination meter |
Output signal
| Signal name | Reception unit |
|---|---|
| Buzzer output signal | Combination meter |
AIR BAG DIAGNOSIS SENSOR UNIT OUTPUT SIGNAL (CAN COMMUNICATION SIGNAL)
Output signal
| Signal name | Reception unit |
|---|---|
|
Combination meter |
System
..
Light Reminder Warning
Light Reminder Warning
SYSTEM DIAGRAMWARNING CHIME OPERATION CONDITIONSIf all of the following conditions are fulfilled: Operation conditions
Ignition switch
OFF
Combination switch (Lighting switch)
1st or 2nd position
Driver side door
Open [front door switch LH ON]
WARNING CHIME CANCEL CONDITIONSWarning is canceled if any of the following conditions are fulfilled: Operation conditions
Ignition switch
ON
Combination switch (Lighting switch)
OFF or AUTO position
Driver side door
Close [front door switch LH OFF]
SIGNAL PATH
BCM requires warning chime output to combination meter when it judges light reminder warning chime is necessary from signals below...
Other information:
Nissan Murano (Z52) 2015-2024 Service Manual: P0335 Ckp Sensor (pos)
DTC Description DTC DETECTION LOGIC The crankshaft position sensor (POS) signal is not detected by the ECM during the first few seconds of engine cranking. The proper pulse signal from the crankshaft position sensor (POS) is not sent to ECM while the engine is running...
Nissan Murano (Z52) 2015-2024 Service Manual: Select Learning
Work Procedure NOTE: If Clutch Point Learning is also required, always perform Clutch Point Learning before Select Learning. Perform Select Learning with CVT fluid temperature below 50°C (122°F) and again with fluid temperature above 50°C (122°F)...
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Unfastening the seat belts. Checking seat belt operation
Unfastening the seat belts
To unfasten the seat belt, press the button
on the buckle 
. The seat belt
automatically
retracts.
