Nissan Cube. Manual — part 1029
COMPONENT PARTS
WT-7
< SYSTEM DESCRIPTION >
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BCM
INFOID:0000000009949841
The BCM reads the tire pressure signal received by the tire pressure receiver, and controls the low tire pres-
sure warning lamp and the buzzer operations. It also has a judgment function to detect a system malfunction.
Tire Pressure Sensor
INFOID:0000000009949842
The tire pressure sensor integrated with a valve is installed on a wheel, and transmits a detected tire pressure
signal by radio wave.
Tire pressure receiver
INFOID:0000000009949843
The tire pressure receiver receives the tire pressure signal transmitted by the tire pressure sensor in each
wheel.
WT-8
< SYSTEM DESCRIPTION >
SYSTEM
SYSTEM
TIRE PRESSURE MONITORING SYSTEM
TIRE PRESSURE MONITORING SYSTEM : System Description
INFOID:0000000009949844
During driving, the TPMS (Tire Pressure Monitoring System) receives the signal transmitted from tire pressure
sensor installed in each wheel. The BCM (Body Control Module) of this system has pressure judgment and
trouble diagnosis functions. When the tire pressure monitoring system detects low inflation pressure or
another unusual symptom, the low tire pressure warning lamps in the combination meter. comes on.
SYSTEM DIAGRAM
INPUT/OUTPUT SIGNAL
The signal transmission/reception between units via a communication line is mainly as listed in the following
table.
LOW TIRE PRESSURE WARNING LAMP INDICATION CONDITION
Uses CAN communication from the BCM to illuminate the low tire pressure warning lamp on the combination
meter.
JSEIA0157GB
Component parts
Signal item
BCM
Transmits the following signals via CAN communication to combination meter.
• Low tire pressure warning lamp signal
• TPMS malfunction warning lamp signal
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 lamp turns on for 1second, then turns off.
Low tire pressure
ON
Tire pressure sensor ID not registered in BCM.
Tire pressure monitoring system malfunction
(Other diagnostic item)
Warning lamp blinks 1 min, then turns on.
Tire pressure sensor is in OFF state
Blink
(Blinking pattern depends on the positions of non-operational 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:0000000009949845
APPLICATION ITEM
CONSULT performs the following functions via CAN communication with BCM.
SYSTEM APPLICATION
BCM can perform the following functions for each system.
NOTE:
It can perform the diagnosis modes except the following for all sub system selection items.
×
: Applicable item
*: For models with automatic air conditioner, this model is not used.
FREEZE FRAME DATA (FFD)
The BCM records the following vehicle condition at the time a particular DTC is detected, and displays on
CONSULT.
Diagnosis mode
Function Description
Work Support
Changes the setting for each system function.
Self Diagnostic Result
Displays the diagnosis results judged by BCM.
CAN Diag Support Monitor
Monitors the reception status of CAN communication viewed from BCM.
Data Monitor
The BCM input/output signals are displayed.
Active Test
The signals used to activate each device are forcibly supplied from BCM.
Ecu Identification
The BCM part number is displayed.
Configuration
• Read and save the vehicle specification.
• Write the vehicle specification when replacing BCM.
System
Sub system selection item
Diagnosis mode
Work Support
Data Monitor
Active Test
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
×
×
×
• Automatic air conditioner
• Manual air conditioner
AIR CONDITONER
×
×
*
• Intelligent Key system
• Engine start system
INTELLIGENT KEY
×
×
×
Combination switch
COMB SW
×
Body control system
BCM
×
NVIS - NATS
IMMU
×
×
×
Interior room lamp battery saver
BATTERY SAVER
×
×
×
Back door
TRUNK
×
Vehicle security system
THEFT ALM
×
×
×
RAP system
RETAINED PWR
×
Signal buffer system
SIGNAL BUFFER
×
×
TPMS
TPMS (AIR PRESSURE MONITOR)
×
×
×
WT-10
< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (BCM) (WITH INTELLIGENT KEY SYSTEM)
NOTE:
*: Power position shifts to “LOCK” from “OFF”, when ignition switch is in the OFF position, selector lever is in
the P position (CVT models), and any of the following conditions are met.
• Closing door
• Opening door
• Door is locked using door request switch
• Door is locked using Intelligent Key
The power position shifts to “ACC” when the push-button ignition switch (push switch) is pushed at “LOCK”.
AIR PRESSURE MONITOR
AIR PRESSURE MONITOR : CONSULT Function
INFOID:0000000009949846
FUNCTION
The diagnosis functions (main functions) include the following: “WORK SUPPORT”, “SELF DIAGNOSTIC
RESULT”, “DATA MONITOR” and “ACTIVE TEST”.
CONSULT screen item
Indication/Unit
Description
Vehicle Speed
km/h
Vehicle speed of the moment a particular DTC is detected
Odo/Trip Meter
km
Total mileage (Odometer value) of the moment a particular DTC is detected
Vehicle Condition
SLEEP>LOCK
Power position status of
the moment a particular
DTC is detected
While turning BCM status from low power consumption mode to
normal mode (Power supply position is “LOCK”
*
)
SLEEP>OFF
While turning BCM status from low power consumption mode to
normal mode (Power supply position is “OFF”.)
LOCK>ACC
While turning power supply position from “LOCK”
*
to “ACC”
ACC>ON
While turning power supply position from “ACC” to “IGN”
RUN>ACC
While turning power supply position from “RUN” to “ACC” (Vehicle
is stopping and selector lever is except P position.)
CRANK>RUN
While turning power supply position from “CRANKING” to “RUN”
(From cranking up the engine to run it)
RUN>URGENT
While turning power supply position from “RUN“ to “ACC” (Emer-
gency stop operation)
ACC>OFF
While turning power supply position from “ACC” to “OFF”
OFF>LOCK
While turning power supply position from “OFF” to “LOCK”
*
OFF>ACC
While turning power supply position from “OFF” to “ACC”
ON>CRANK
While turning power supply position from “IGN” to “CRANKING”
OFF>SLEEP
While turning BCM status from normal mode (Power supply posi-
tion is “OFF”.) to low power consumption mode
LOCK>SLEEP
While turning BCM status from normal mode (Power supply posi-
tion is “LOCK”
*
.) to low power consumption mode
LOCK
Power supply position is “LOCK”
*
OFF
Power supply position is “OFF” (Ignition switch OFF)
ACC
Power supply position is “ACC” (Ignition switch ACC)
ON
Power supply position is “IGN” (Ignition switch ON with engine
stopped)
ENGINE RUN
Power supply position is “RUN” (Ignition switch ON with engine
running)
CRANKING
Power supply position is “CRANKING” (At engine cranking)
IGN Counter
0 - 39
The number of times that ignition switch is turned ON after DTC is detected
• The number is 0 when a malfunction is detected now.
• The number increases like 1
→
2
→
3...38
→
39 after returning to the normal condition
whenever ignition switch OFF
→
ON.
• The number is fixed to 39 until the self-diagnosis results are erased if it is over 39.
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