Nissan Sentra. Instruction — part 926
WT-6
< SYSTEM DESCRIPTION >
COMPONENT PARTS
SYSTEM DESCRIPTION
COMPONENT PARTS
Component Parts Location
INFOID:0000000009758126
Component Description
INFOID:0000000009758127
BCM
INFOID:0000000009758128
The BCM reads the tire pressure signal received by the remote keyless entry receiver, and controls the low tire
pressure warning lamp and the buzzer operations. It also has a self-diagnosis function to detect a system mal-
function.
Remote Keyless Entry Receiver
INFOID:0000000009758129
The remote keyless entry receiver receives the tire pressure signal transmitted by the transmitter in each
wheel.
ALEIA0181ZZ
1
BCM (view with instrument panel re-
moved)
2
Remote keyless entry receiver (view
with instrument panel removed)
3
Transmitter
4
Combination meter
Component parts
Function
BCM
.
Remote keyless entry receiver
WT-6, "Remote Keyless Entry Receiver"
.
Transmitter
Low tire pressure warning lamp
WT-8, "TIRE PRESSURE MONITORING SYSTEM : System Description"
Combination meter
Transmits the vehicle speed signal via CAN communication to BCM.
Receives the low tire pressure warning lamp signal via CAN communication from BCM.
COMPONENT PARTS
WT-7
< SYSTEM DESCRIPTION >
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Transmitter
INFOID:0000000009758130
A sensor-transmitter integrated with a valve is installed in each wheel, and transmits a detected tire pressure
signal in the form of a radio wave. The radio signal is received by the remote keyless entry receiver.
Low Tire Pressure Warning Lamp
INFOID:0000000009758131
The combination meter receives tire pressure status from the BCM using CAN communication. When a low
tire pressure condition is sensed by the BCM, the combination meter low tire pressure warning lamp is acti-
vated.
Combination Meter
INFOID:0000000010287675
The combination meter receives tire pressure status from the BCM via CAN communication. The combination
meter will display the low tire pressure warning lamp when a low tire pressure or system malfunction is
detected by the BCM. A warning message will also be displayed in the vehicle information display. Refer to the
Owner’s Instruction for additional information.
WT-8
< SYSTEM DESCRIPTION >
SYSTEM
SYSTEM
TIRE PRESSURE MONITORING SYSTEM
TIRE PRESSURE MONITORING SYSTEM : System Diagram
INFOID:0000000009758132
TIRE PRESSURE MONITORING SYSTEM : System Description
INFOID:0000000009758133
• The BCM has pressure judgment and trouble diagnosis functions. When the BCM detects low inflation pres-
sure or another unusual symptom, the low tire pressure warning lamp in the combination meter is illumi-
nated.
• If the tire pressure is less than the specified value, the low tire pressure warning lamp illuminates.
• The TPMS (Tire Pressure Monitoring System) is activated when vehicle speed is 40 km/h (25 MPH) or more.
INPUT/OUTPUT SIGNAL
LOW TIRE PRESSURE WARNING LAMP CONTROL CONDITION
The BCM uses CAN communication to illuminate the low tire pressure warning lamp in the combination meter.
TIRE PRESSURE MONITORING SYSTEM : Easy Fill Tire Alert Function
INFOID:0000000009758134
NOTE:
When beginning tire inflation, it takes a few seconds for the Easy fill tire alert to function. If there is no
response for approximately 15 seconds or more, cancel the Easy fill tire alert function and move the vehicle
approximately 1 m (3.2 ft) backward or forward to try again.
• The Easy fill tire alert function operates only when the select lever position is in P-range with the ignition
switch ON.
• This function informs the driver with a visual and audible indication that the recommended COLD tire pres-
sure has been reached.
ALEIA0133GB
Component
Signal Description
BCM
Transmits the low tire pressure warning lamp signal via CAN communication to combination
meter.
Combination meter
Transmits the vehicle speed signal via CAN communication to BCM.
Condition
Low tire pressure warning lamp
Ignition switch OFF
OFF
Ignition switch ON (system normal)
Warning light turns on for 1second, then turns off.
Low tire pressure
ON
Transmitter ID not registered in BCM.
Tire pressure monitoring system malfunction
Warning light blinks 1 minute, then turns on.
Tire pressure sensor is in OFF state
Blink
(Blinking pattern depends on the positions of nonoperational tire pressure sensors.)
SYSTEM
WT-9
< SYSTEM DESCRIPTION >
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• The hazard warning lamps blink when the recommended COLD
tire pressure has been reached. After the recommended COLD tire
pressure has been reached, the horn sounds once and the hazard
warning lamps stop blinking.
• If the tire pressure value is equal to or greater than 30 kPa (0.31
kg/cm
2
, 4 psi) more than the recommended COLD tire pressure,
the hazard warning lamps flash and horn sounds three times.
• To return the tire to the recommended COLD tire pressure, deflate
the tire until the horn sounds once and the hazard warning lamps
stop blinking.
JSEIA0214GB
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