Infiniti G35 (V35) Sedan. Manual — part 203
BCS
DIAGNOSIS SYSTEM (BCM)
BCS-29
< FUNCTION DIAGNOSIS >
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SIGNAL BUFFER
SIGNAL BUFFER : CONSULT-III Function (BCM - SIGNAL BUFFER)
INFOID:0000000000963887
DATA MONITOR
ACTIVE TEST
AIR PRESSURE MONITOR
AIR PRESSURE MONITOR : Diagnosis Description
INFOID:0000000000963888
DESCRIPTION
During driving, the TPMS receives the signal transmitted from the transmitter installed in each wheel, when
the tire pressure becomes low. The control unit (BCM) of this system has pressure judgment and trouble diag-
nosis functions.
When the TPMS detects low inflation pressure or another unusual symptom, the warning lamps in the combi-
nation meter comes on.
SELF DIAGNOSTIC PROCEDURE (WITH CONSULT-III)
With CONSULT-III
• Touch “SELF-DIAG RESULT” display shows malfunction experienced since the last erasing operation. Refer
SELF DIAGNOSTIC PROCEDURE (WITHOUT CONSULT-III)
Without CONSULT-III
To start the self-diagnostic results mode, ground terminal of the tire pressure warning check connector. The
malfunction location is indicated by the warning lamp flashing.
NOTE:
When the low tire warning lamp flashes 5 Hz and continues repeating it, the system is normal.
Monitor Item
Description
DOOR SW-DR
Indicates [ON/OFF] condition of driver side door switch.
DOOR SW-AS
Indicates [ON/OFF] condition of passenger side door switch.
Monitor item [UNIT]
Description
PUSH SW
[OFF/ON]
Displays the status of the push-button ignition switch (push switch) judged by BCM.
Test item
Opera-
tion
OIL PRESSURE SW
OFF
OFF
ON
BCM transmits the oil pressure switch signal to the unified meter and A/C amp. via CAN com-
munication, which illuminates the oil pressure warning lamp in the combination meter.
SEIA0745E
BCS-30
< FUNCTION DIAGNOSIS >
DIAGNOSIS SYSTEM (BCM)
ERASE SELF-DIAGNOSIS
With CONSULT-III
1.
Perform applicable inspection of malfunctioning item and then repair or replace.
Flickering
pattern
Items
Diagnostic items detected when···
Check item
15
Tire pressure value (Front LH)
Front LH tire pressure drops to 181 kPa (1.8 kg/cm
2
, 26 psi) or less.
–
16
Tire pressure value (Front RH)
Front RH tire pressure drops to 181 kPa (1.8 kg/cm
2
, 26 psi) or less.
17
Tire pressure value (Rear RH)
Rear RH tire pressure drops to 181 kPa (1.8 kg/cm
2
, 26 psi) or less.
18
Tire pressure value (Rear LH)
Rear LH tire pressure drops to 181 kPa (1.8 kg/cm
2
, 26 psi) or less.
21
Transmitter no data (Front LH)
Data from front LH transmitter can not be received.
22
Transmitter no data (Front RH)
Data from front RH transmitter can not be received.
23
Transmitter no data (Rear RH)
Data from Rear RH transmitter can not be received.
24
Transmitter no data (Rear LH)
Data from Rear LH transmitter can not be received.
31
Transmitter checksum error
(Front LH)
Checksum data from front LH transmitter is malfunctioning.
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 RH transmitter is malfunctioning.
35
Transmitter pressure data error
(Front LH)
Air pressure data from front LH transmitter is malfunction.
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.
42
Transmitter function code error
(Front RH)
Function code data from front RH transmitter is malfunction.
43
Transmitter function code error
(Rear RH)
Function code data from rear RH transmitter is malfunction.
44
Transmitter function code error
(Rear LH)
Function code data from rear LH transmitter is malfunction.
45
Transmitter battery voltage low
(Front LH)
Battery voltage of front LH transmitter drops.
46
Transmitter battery voltage low
(Front RH)
Battery voltage of front RH transmitter drops.
47
Transmitter battery voltage low
(Rear RH)
Battery voltage of rear RH transmitter drops.
48
Transmitter battery voltage low
(Rear LH)
Battery voltage of rear LH transmitter drops.
52
Vehicle speed signal error
Speed signal is not detected.
53
BCM failure about TPMS
Tire pressure monitoring system malfunction in BCM
No flicker-
ing
Tire pressure warning check
switch
Tire pressure warning switch circuit is open.
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BCS
DIAGNOSIS SYSTEM (BCM)
BCS-31
< FUNCTION DIAGNOSIS >
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2.
Turn ignition switch “ON” and select “SELF-DIAG RESULTS” mode for “AIR PRESSURE MONITOR” with
CONSULT-III.
3.
Touch “ERASE” on CONSULT-III screen to erase memory.
Without CONSULT-III
• 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-diagnostic or by
erasing the memory using the CONSULT-III.
AIR PRESSURE MONITOR : CONSULT-III Function (BCM - AIR PRESSURE MONI-
TOR)
INFOID:0000000000963889
WORK SUPPORT MODE
ID Read
The registered ID number is displayed.
ID Regist
WT-5, "ID REGISTRATION PROCEDURE : Special Repair Requirement"
SELF-DIAG RESULTS MODE
Operation Procedure
.
DATA MONITOR MODE
Screen of data monitor mode is displayed.
NOTE:
When malfunction is detected, CONSULT-III perform REAL-TIME DIAGNOSIS.
Also, any malfunction detected while in this mode will be displayed at real time.
Display item list
NOTE:
Before performing the self-diagnosis, be sure to register the ID, or erase the actual malfunction location may
be different from that displayed on CONSULT-III.
ACTIVE TEST MODE
NOTE:
Before performing the self-diagnosis, be sure to register the ID, or erse the actual malfunction may be different
from that displayed on CONSULT-III.
TEST ITEM LIST
Monitor
Condition
Specification
VEHICLE SPEED
Drive vehicle.
Vehicle speed (km/h, MPH)
AIR PRESS FL
AIR PRESS FR
AIR PRESS RR
AIR PRESS RL
• Drive vehicle for a few minutes.
or
• Ignition switch ON and activation tool is trans-
mitting activation signals.
Tire pressure (kPa or Psi)
ID REGST FL
ID REGST FR
ID REGST RR
ID REGST RL
Ignition switch ON
Registration ID : DONE
No registration : YET
WARNING LAMP
Low tire pressure warning lamp on: ON
Low tire pressure warning lamp off: OFF
BUZZER
Buzzer in combination meter on: ON
Buzzer in combination meter off: OFF
Test item
Content
WARNING LAMP
This test is able to check to make sure that the warning lamp turns on.
ID REGIST WARNING
This test is able to check to make sure that the buzzer sounds or the warning lamp turns on.
BCS-32
< FUNCTION DIAGNOSIS >
DIAGNOSIS SYSTEM (BCM)
RUN FLAT/T WARN BUZZER
This test is able to check to make sure that the buzzer sounds.
FLASHER
This test is able to check to make sure that each turn signal lamp turns on.
HORN
This test is able to check to make sure that the horn sounds.
Test item
Content
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