Infiniti Q45. Manual — part 903
TROUBLE DIAGNOSIS
WT-21
C
D
F
G
H
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L
M
A
B
WT
DATA MONITOR MODE
Operation Procedure
1.
Perform “CONSULT-II Start Procedure”. Refer to
GI-36, "CONSULT-II Start Procedure"
.
2.
Touch “DATA MONITOR”.
3.
Select from “SELECT MONITOR ITEM”, screen of data monitor mode is displayed.
NOTE:
When malfunction is detected, CONSULT-II performs REAL-TIME DIAGNOSIS.
Also, any malfunction detected while in this mode will be displayed in real time.
Display Item List
×
: Standard
–: Not applicable
LOW TIRE PRESSURE WARNING CONTROL UNIT PART NUMBER MODE
Ignore the low tire pressure warning control unit part number displayed in the “ECU PART NUMBER”.
Refer to parts catalog to order the low tire pressure warning control unit.
Self-Diagnostic Procedure
NES000D6
SELF-DIAGNOSTIC PROCEDURE (WITH CONSULT-II)
Refer to
WT-19, "SELF-DIAG RESULT MODE"
.
SELF-DIAGNOSTIC PROCEDURE (WITHOUT CONSULT-II)
Description
The low tire pressure warning lamp in the combination meter will flicker according to the self-diagnostic
results. As for the details of the low tire pressure warning lamp flickering patterns, refer to
Monitored item (Unit)
Monitor item selection
Remarks
MAIN
SIGNALS
SELECTION
FROM MENU
VHCL SPEED SE [km/h] or [mph]
×
×
Vehicle speed is displayed.
AIR PRESS FL [kpa] or [psi]
×
×
Senses the front LH tire pressure is displayed.
AIR PRESS FR [kPa] or [psi]
×
×
Senses the front RH tire pressure is displayed.
AIR PRESS RR [kpa] or [psi]
×
×
Senses the rear RH tire pressure is displayed.
AIR PRESS RL [kpa] or [psi]
×
×
Senses the rear LH tire pressure is displayed.
ID REGST FL [DONE/YET]
×
×
Registration status of front LH ID is displayed.
ID REGST FR [DONE/YET]
×
×
Registration status of front RH ID is displayed.
ID REGST RR [DONE/YET]
×
×
Registration status of rear RH ID is displayed.
ID REGST RL [DONE/YET]
×
×
Registration status of rear LH ID is displayed.
WARNING LAMP [ON/OFF]
×
×
Control status of low tire pressure warning lamp is displayed.
BUZZER [ON/OFF]
×
×
Control status of buzzer in low tire pressure warning lamp
control unit is displayed.
Voltage [V]
–
×
The value measured by the voltage probe is displayed.
Frequency [Hz]
–
×
The value measured by the pulse probe is displayed.
DUTY-HI (high) [%]
–
×
DUTY-LOW (low) [%]
–
×
PLS WIDTH-HI [msec]
–
×
PLS WIDTH-LOW [msec]
–
×
WT-22
TROUBLE DIAGNOSIS
Diagnostic Procedure
1.
Start the engine.
2.
Perform the following procedures to enter the corresponding signals.
a.
Ground the tire pressure warning check switch harness connector terminal 1 for more than 5 seconds.
b.
Read the flickering of low tire pressure warning lamp. Refer to
WT-22, "Judgement Self-diagnosis"
NOTE:
When the low tire pressure warning lamp flashes 5 Hz and continues repeating it, the system is normal.
Judgement Self-diagnosis
When a malfunction is detected, the malfunction route is indicated by flickering of the low tire pressure warn-
ing lamp.
NOTE:
When the low tire pressure warning lamp flashes 5 Hz and continues repeating it, the system is normal.
Flickering pattern
Items
Diagnostic item is detected when...
Check item
15
Tire pressure value
(front LH)
Front LH tire pressure drops to 186 kPa (1.86 kg/cm
2
, 27 psi)
or less
16
Tire pressure value
(front RH)
Front RH tire pressure drops to 186 kPa (1.86 kg/cm
2
, 27 psi)
or less
17
Tire pressure value
(rear RH)
Rear RH tire pressure drops to 186 kPa (1.86 kg/cm
2
, 27 psi)
or less
18
Tire pressure value
(rear LH)
Rear LH tire pressure drops to 186 kPa (1.86 kg/cm
2
, 27 psi)
or less
21
Transmitter no data
(front LH)
Data from front LH transmitter cannot be received.
WT-31, "Transmitter
(NO DATA)"
22
Transmitter no data
(front RH)
Data from front RH transmitter cannot be received.
23
Transmitter no data
(rear RH)
Data from rear RH transmitter cannot be received.
24
Transmitter no data
(rear LH)
Data from rear LH transmitter cannot be received.
31
Transmitter checksum
error (front LH)
Checksum data from front LH transmitter is malfunctioning.
WT-33, "Transmitter
(CHECKSUM ERR,
CODE ERR, BATT
VOLT LOW)"
32
Transmitter checksum
error (front RH)
Checksum data from front RH transmitter is malfunctioning.
33
Transmitter checksum
error (rear RH)
Checksum data from rear RH transmitter is malfunctioning.
34
Transmitter checksum
error (rear LH)
Checksum data from rear LH transmitter is malfunctioning.
SEIA0745E
TROUBLE DIAGNOSIS
WT-23
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D
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A
B
WT
ERASE SELF-DIAGNOSIS
●
In order to make it easier to find the cause of hard-to-duplicate malfunctions, malfunction information is
stored into the control unit as necessary during use by the user. This memory is not erased no matter how
many times the ignition switch is turned “ON” and “OFF”.
●
However, this information is erased by turning ignition switch “OFF” after performing self-diagnostics or by
erasing the memory using the CONSULT-II. Refer to
WT-20, "How to Erase Self-diagnostic Results"
35
Transmitter pressure
data error (front LH)
Air pressure data from front LH transmitter is malfunction.
WT-35, "Transmitter
(PRESSDATA
ERR)"
36
Transmitter pressure
data error (front RH)
Air pressure data from front RH transmitter is malfunction.
37
Transmitter pressure
data error (rear RH)
Air pressure data from rear RH transmitter is malfunction.
38
Transmitter pressure
data error (rear LH)
Air pressure data from rear LH transmitter is malfunction.
41
Transmitter function
code error (front LH)
Function code data from front LH transmitter is malfunction-
ing.
WT-33, "Transmitter
(CHECKSUM ERR,
CODE ERR, BATT
VOLT LOW)"
42
Transmitter function
code error (front RH)
Function code data from front RH transmitter is malfunction-
ing.
43
Transmitter function
code error (rear RH)
Function code data from rear RH transmitter is malfunction-
ing.
44
Transmitter function
code error (rear LH)
Function code data from rear LH transmitter is malfunctioning.
45
Transmitter battery volt-
age low (front LH)
Battery voltage of front LH transmitter drops.
WT-33, "Transmitter
(CHECKSUM ERR,
CODE ERR, BATT
VOLT LOW)"
46
Transmitter battery volt-
age low (front RH)
Battery voltage of front RH transmitter drops.
47
Transmitter battery volt-
age low (rear RH)
Battery voltage of rear RH transmitter drops.
48
Transmitter battery volt-
age low (rear LH)
Battery voltage of rear LH transmitter drops.
51
Low tire pressure warn-
ing control unit
No ID registration has been made to the low tire pressure
warning control unit.
WT-48, "ID Regis-
tration Cannot Be
Completed"
No flickering
Tire pressure warning
check switch
Tire pressure warning check switch circuit is open.
—
Flickering pattern
Items
Diagnostic item is detected when...
Check item
WT-24
TROUBLE DIAGNOSIS
ID Registration Procedure
NES000HE
ID REGISTRATION WITH TRANSMITTER ACTIVATION TOOL
CAUTION:
This procedure must be done after replacement of a transmitter, low tire pressure warning control
unit, or rotating wheels.
1.
Perform “CONSULT-II Start Procedure”. Refer to
GI-36, "CONSULT-II Start Procedure"
2.
Touch “WORK SUPPORT” on “SELECT DIAG MODE” screen, and select “ID REGIST”.
3.
With the transmitter activation tool (J-45295) pushed against the
front-left transmitter position of the air valve, press and hold the
button for 5 seconds.
4.
Register the IDs in order from FR LH, FR RH, RR RH, to RR LH.
When ID registration of each wheel has been completed, buzzer
sounds and turn signal lamp blinks.
5.
After completing all ID registrations, press “END” to complete the procedure.
NOTE:
Be sure to register the IDs in order from FR LH, FR RH, RR RH, to RR LH, or the self-diagnostic results dis-
play will not function properly.
ID REGISTRATION WITHOUT TRANSMITTER ACTIVATION TOOL
CAUTION:
This procedure must be done after replacement of a transmitter, low tire pressure warning control
unit, or rotating wheels.
1.
Perform “CONSULT-II Start Procedure”. Refer to
GI-36, "CONSULT-II Start Procedure"
2.
Touch “WORK SUPPORT” on “SELECT DIAG MODE” screen, and select “ID REGIST”.
3.
Adjust the tire pressure to the values shown in the table below for ID registration, and drive the vehicle at
40 km/h (25 MPH) or more for several minutes.
NOTE:
If ID registration is unable, buzzer beeps.
4.
After completing all ID registrations, press “END” to complete the procedure.
5.
Inflate all tires to proper pressure. Refer to
.
Activation tire position
Buzzer
Turn signal lamp
CONSULT-II
1
Front LH
Once
2 times flashing
“YET”
↓
“DONE”
2
Front RH
2 times
3
Rear RH
3 times
4
Rear LH
4 times
SEIA0460E
Tire position
Tire pressure kPa (kg/cm
2
, psi)
Front LH
240 (2.4, 34)
Front RH
220 (2.2, 31)
Rear RH
200 (2.0, 29)
Rear LH
180 (1.8, 26)
Activation tire position
CONSULT-II
Front LH
“YET”
↓
“DONE”
Front RH
Rear RH
Rear LH
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