Infiniti QX56 (Z62). Manual — part 1366
SYSTEM
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< SYSTEM DESCRIPTION >
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• If there is no response for approximately 15 seconds or more after inflating the tires, cancel the use of the
tire inflation indicator function or move the vehicle approximately 1 m (3.2 ft) backward or forward to try
again. The air filler pressure may be weak or out of service area.
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< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (LOW TIRE PRESSURE WARNING CONTROL UNIT)
DIAGNOSIS SYSTEM (LOW TIRE PRESSURE WARNING CONTROL
UNIT)
CONSULT-III Function
INFOID:0000000006225496
APPLICATION ITEMS
CONSULT-III performs the following functions in combination of data reception, instruction, and transmission
via communication lines from low tire pressure warning control unit.
*
: The following diagnosis information is erased by erasing.
• DTC
ECU IDENTIFICATION
Part number of low tire pressure warning control unit is displayed.
SELF DIAGNOSIS RESULTS
DATA MONITOR
ACTIVE TEST
NOTE:
After completing the work below, perform an active test.
1.
Check ID registration state and perform self-diagnosis.
2.
Erase the self-diagnosis result history.
Mode
FUNCTION DESCRIPTION
ECU IDENTIFICATION
Displays the part number of low tire pressure warning control unit.
SELF-DIAGNOSIS RESULTS
Self-diagnosis result can be quickly read.
*
DATA MONITOR
Input and output data of low tire pressure warning control unit can be read.
ACTIVE TEST
Sends command to the low tire pressure warning control unit to change output signals and check
operation of output system.
WORK SUPPORT
Components can be quickly and accurately adjusted.
Monitor item (Unit)
Remarks
VHCL SPEED SE
[(km/h) or (MPH)]
Vehicle speed is displayed.
AIR PRESS FL
[(kPa), (kg/cm
2
) or (Psi)]
Air pressure of front LH tires is displayed.
AIR PRESS FR
[(kPa), (kg/cm
2
) or (Psi)]
Air pressure of front RH tires is displayed.
AIR PRESS RR
[(kPa), (kg/cm
2
) or (Psi)]
Air pressure of rear RH tires is displayed.
AIR PRESS RL
[(kPa), (kg/cm
2
) or (Psi)]
Air pressure of rear LH tires is displayed.
ID REGST FL1
ID registration status of front LH transmitter is displayed.
ID REGST FR1
ID registration status of front RH transmitter is displayed.
ID REGST RR1
ID registration status of rear RH transmitter is displayed.
ID REGST RL1
ID registration status of rear LH transmitter is displayed.
WARNING LAMP
Control status of low tire pressure warning lamp is displayed.
BUZZER
Control status of buzzer in combination meter by low tire pressure warning con-
trol unit is displayed.
NOTE:
Not use in TPMS, but displayed.
DIAGNOSIS SYSTEM (LOW TIRE PRESSURE WARNING CONTROL UNIT)
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< SYSTEM DESCRIPTION >
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WORK SUPPORT
Test item
Condition
Description
BUZZER
• Vehicle stopped
• The system is normal
This test is able to check to check that the buzzer operates.
NOTE:
Not use in TPMS, but displayed.
WARN LAMP
This test is able to check to check that the low tire pressure warning lamp
turns on.
Item
Usage
ID REGIST
Use to ID registration. Refer to
.
WT-14
< ECU DIAGNOSIS INFORMATION >
LOW TIRE PRESSURE WARNING CONTROL UNIT
ECU DIAGNOSIS INFORMATION
LOW TIRE PRESSURE WARNING CONTROL UNIT
Reference Value
INFOID:0000000006225497
VALUES ON THE DIAGNOSIS TOOL
CAUTION:
The reference values in the table below come from the control unit calculation data. The normal values
may in some cases be displayed even though the power circuit (harness) is open or shorted.
TERMINAL LAYOUT
PHYSICAL VALUES
CAUTION:
When using circuit tester to measure voltage for inspection, be sure not to extend forcibly any con-
nector terminals.
Monitor item
Condition
Value/Status
VHCL SPEED SE
Vehicle stopped
0.00 km/h (0.00 mph)
Vehicle running
CAUTION:
Check air pressure of tire under standard condition.
Approx. equal to the indication
on speedometer (Inside of
±
10%)
AIR PRESS FL
Start engine and drive at 40 km/h (25 MPH) or more for 10 minutes.
Approximately equal to the indi-
cation on tire gauge value for
front LH tire
AIR PRESS FR
Start engine and drive at 40 km/h (25 MPH) or more for 10 minutes.
Approximately equal to the indi-
cation on tire gauge value for
front RH tire
AIR PRESS RR
Start engine and drive at 40 km/h (25 MPH) or more for 10 minutes.
Approximately equal to the indi-
cation on tire gauge value for
rear RH tire
AIR PRESS RL
Start engine and drive at 40 km/h (25 MPH) or more for 10 minutes.
Approximately equal to the indi-
cation on tire gauge value for
rear LH tire
ID REGST FL1
Front LH transmitter ID registered
Done
Front LH transmitter ID unregistered
Yet
ID REGST FR1
Front RH transmitter ID registered
Done
Front RH transmitter ID unregistered
Yet
ID REGST RR1
Rear RH transmitter ID registered
Done
Rear RH transmitter ID unregistered
Yet
ID REGST RL1
Rear LH transmitter ID registered
Done
Rear LH transmitter ID unregistered
Yet
WARNING LAMP
Low tire pressure warning lamp: ON
On
Low tire pressure warning lamp: OFF
Off
JSEIA0024ZZ
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