Nissan Versa Sedan. Manual — part 903
COMPONENT PARTS
WT-7
< SYSTEM DESCRIPTION >
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Transmitter
INFOID:0000000009267444
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:0000000009267445
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.
WT-8
< SYSTEM DESCRIPTION >
SYSTEM
SYSTEM
TIRE PRESSURE MONITORING SYSTEM
TIRE PRESSURE MONITORING SYSTEM : System Diagram
INFOID:0000000009267446
TIRE PRESSURE MONITORING SYSTEM : System Description
INFOID:0000000009267447
• 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.
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.)
DIAGNOSIS SYSTEM (BCM) (WITH INTELLIGENT KEY SYSTEM)
WT-9
< SYSTEM DESCRIPTION >
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DIAGNOSIS SYSTEM (BCM) (WITH INTELLIGENT KEY SYSTEM)
COMMON ITEM
COMMON ITEM : CONSULT Function (BCM - COMMON ITEM)
INFOID:0000000009555106
APPLICATION ITEM
CONSULT performs the following functions via CAN communication with BCM.
SYSTEM APPLICATION
BCM can perform the following functions.
Direct Diagnostic Mode
Description
ECU identification
The BCM part number is displayed.
Self Diagnostic Result
The BCM self diagnostic results are displayed.
Data Monitor
The BCM input/output data is displayed in real time.
Active Test
The BCM activates outputs to test components.
Work support
The settings for BCM functions can be changed.
Configuration
• The vehicle specification can be read and saved.
• The vehicle specification can be written when replacing BCM.
CAN DIAG SUPPORT MNTR
The result of transmit/receive diagnosis of CAN communication is displayed.
System
Sub System
Direct Diagnostic Mode
ECU id
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Se
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Res
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Dat
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Acti
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W
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su
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Co
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CAN DIAG SUP
P
OR
T MNTR
Door lock
DOOR LOCK
×
×
×
×
Rear window defogger
REAR DEFOGGER
×
×
Warning chime
BUZZER
×
×
Interior room lamp timer
INT LAMP
×
×
×
Exterior lamp
HEAD LAMP
×
×
×
Wiper and washer
WIPER
×
×
×
Turn signal and hazard warning lamps FLASHER
×
×
Air conditioner
AIR CONDITIONER
×
Intelligent Key system
INTELLIGENT KEY
×
×
×
×
Combination switch
COMB SW
×
BCM
BCM
×
×
×
×
×
Immobilizer
IMMU
×
×
×
Interior room lamp battery saver
BATTERY SAVER
×
×
×
Trunk open
TRUNK
×
Vehicle security system
THEFT ALM
×
×
×
RAP system
RETAINED PWR
×
×
Signal buffer system
SIGNAL BUFFER
×
TPMS
AIR PRESSURE MONITOR
×
×
×
×
Panic alarm system
PANIC ALARM
×
WT-10
< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (BCM) (WITH INTELLIGENT KEY SYSTEM)
AIR PRESSURE MONITOR
AIR PRESSURE MONITOR : CONSULT Function (BCM - AIR PRESSURE MONI-
TOR)
INFOID:0000000009555107
NOTE:
The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II
User Guide for additional information.
• Activate and display TPMS transmitter IDs
• Display tire pressure reported by the TPMS transmitter
• Read TPMS DTCs
• Register TPMS transmitter IDs
• Check Intelligent Key relative signal strength
• Confirm vehicle Intelligent Key antenna signal strength
SELF DIAGNOSTIC RESULT
NOTE:
Before performing self diagnostic result, be sure to register the ID, or else the actual malfunction may be differ-
ent from that displayed on CONSULT.
DATA MONITOR
ACTIVE TEST
WORK SUPPORT
Monitor Item [Unit]
Description
AIR PRESS FL [kPa, kg/cm
2
or Psi]
Indicates air pressure of front LH tire.
AIR PRESS FR [kPa, kg/cm
2
or Psi]
Indicates air pressure of front RH tire.
AIR PRESS RR [kPa, kg/cm
2
or Psi]
Indicates air pressure of rear RH tire.
AIR PRESS RL [kPa, kg/cm
2
or Psi]
Indicates air pressure of rear LH tire.
ID REGST FL1 [Done/Yet]
Indicates ID registration status of front LH transmitter.
ID REGST FR1 [Done/Yet]
Indicates ID registration status of front RH transmitter.
ID REGST RR1 [Done/Yet]
Indicates ID registration status of rear RH transmitter.
ID REGST RL1 [Done/Yet]
Indicates ID registration status of rear LH transmitter.
WARNING LAMP [Off/On]
Indicates condition of low tire pressure warning lamp in combination meter.
BUZZER [Off/On]
Indicates condition of buzzer in combination meter.
Test Item
Description
HORN
This test is able to check horn operation [On].
FLASHER
This test is able to check turn signal lamp operation [Off/LH/RH].
ID REGIST WARNING
This test is able to check ID registration warning chime operation [On/Off].
WARNING LAMP
This test is able to check tire pressure warning lamp operation [On/Off].
Support Item
Description
ID READ
The registered ID number is displayed.
ID REGIST
.
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