Infiniti G35 (V35) Sedan. Manual — part 1460
WT-28
< COMPONENT DIAGNOSIS >
C1724, C1725, C1726, C1727 TRANSMITTER (BATT VOLT)
Are all tire pressures displayed 0 kPa?
YES
>> GO TO 3.
NO
>> GO TO 5.
3.
CHECK HARNESS BETWEEN BCM AND TIRE PERSSURE RECEIVER
1.
Turn ignition switch “OFF”.
2.
Disconnect BCM harness connector and tire pressure receiver harness connector.
3.
Check continuity between BCM harness connector and tire pressure receiver harness connector.
Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace damaged parts.
4.
CHECK TIRE PRESSURE RECEIVER
Check tire pressure receiver. Refer to
.
Is the inspection result normal?
YES
>> Check BCM pin terminals for damage or loose connection with harness connector. If any items
are damaged, repair or replace damage parts.
NO
>> Replace the tire pressure receiver.
5.
CHECK ID REGISTRATION
Perform ID registration of all transmitters. Refer to
WT-5, "ID REGISTRATION PROCEDURE : Special Repair
Can ID registration of all transmitters be completed?
YES
>> GO TO 6.
NO
>> GO TO 7 after malfunctioning transmitter replacement.
6.
CHECK TIRE PRESSURE MONITORING SYSTEM
With CONSULT-III
1.
Drive at a speed for 40 km/h (25 MPH) or more several minutes without stopping.
2.
Check all tire pressure with CONSULT-III “DATA MONITOR” within 15 minutes after vehicle speed
becomes 17 km/h (11 MPH).
Does “DATA MONITOR” displayed the standardized value without turning tire pressure warning lamp ON?
YES
>> INSPECTION END
NO
>> Replace BCM. Refer to
BCS-79, "Removal and Installation"
7.
CHECK ID REGISTRATION
With CONSULT-III
1.
Perform ID registration of all transmitters. Refer to
WT-5, "ID REGISTRATION PROCEDURE : Special
2.
Drive at a speed of 40 km/h (25 MPH) or more for 3 minutes, and then drive the vehicle at any speed for
10 minutes. Then check all tire pressures with CONSULT-III “DATA MONITOR” within 5 minutes.
Monitored item
Condition
Display value
AIR PRESS FL
Start engine and drive at 40 km/h (25 MPH) or more for
several minutes.
Approximately equal to the indication on vehicle in-
formation display
AIR PRESS FR
AIR PRESS RR
AIR PRESS RL
BCM
Tire pressure receiver
Continuity
Connector
Terminal
Connector
Terminal
M123
137
M101
1
Existed
138
4
139
2
C1724, C1725, C1726, C1727 TRANSMITTER (BATT VOLT)
WT-29
< COMPONENT DIAGNOSIS >
C
D
F
G
H
I
J
K
L
M
A
B
WT
N
O
P
Does “DATA MONITOR” displayed the standardized value without turning tire pressure warning lamp ON?
YES
>> INSPECTION END
NO
>> GO TO 2.
Special Repair Requirement
INFOID:0000000000957889
1.
CHECK TIRE AIR PRESSURE
Check all tire air pressures. Refer to
Does all tire pressure data meet the specification?
YES
>> GO TO 2.
NO
>> Inspect or repair the tires or wheels and adjust the tire pressure to the specification.
2.
PERFORM ID REGISTRATION
Perform ID registration. Refer to
WT-5, "ID REGISTRATION PROCEDURE : Special Repair Requirement"
.
Can ID registration of all transmitters be completed?
YES
>> END
NO
>> GO TO 1.
WT-30
< COMPONENT DIAGNOSIS >
C1729 VEHICLE SPEED SIG ERR
C1729 VEHICLE SPEED SIG ERR
Description
INFOID:0000000000957890
BCM detects no vehicle speed signal.
DTC Logic
INFOID:0000000000957891
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
CHECK SELF-DIAGNOSTIC RESULTS
With CONSULT-III
1.
On “SELECT DIAG MODE”, select the “SELF-DIAG RESULT” screen.
2.
Check display contents in self-diagnostic results.
Is the “CAN COMM CIRCUIT” displayed in the self-diagnosis display?
YES
>> Perform trouble diagnosis for CAN communication system. Refer to
NO
>> Check unified meter. Refer to
Diagnosis Procedure
INFOID:0000000000957892
1.
CHECK SELF-DIAGNOSTIC RESULTS
With CONSULT-III
1.
On “SELECT DIAG MODE”, select the “SELF-DIAG RESULT” screen.
2.
Check display contents in self-diagnostic results.
Is the “CAN COMM CIRCUIT” displayed in the self-diagnosis display?
YES
>> Perform trouble diagnosis for CAN communication system. Refer to
NO
>> Check unified meter. Refer to
Special Repair Requirement
INFOID:0000000000957893
1.
CHECK TIRE AIR PRESSURE
Check all tire air pressures. Refer to
Does all tire pressure data meet the specification?
YES
>> GO TO 2.
NO
>> Inspect or repair the tires or wheels and adjust the tire pressure to the specification.
2.
PERFORM ID REGISTRATION
Perform ID registration. Refer to
WT-5, "ID REGISTRATION PROCEDURE : Special Repair Requirement"
.
Can ID registration of all transmitters be completed?
YES
>> END
NO
>> GO TO 1.
DTC
number
Trouble diagnosis name
DTC detecting condition
Possible case
C1729
VHCL SPEED SIG ERR
Vehicle speed signal error
• CAN communication error
• Combination meter malfunction
• Vehicle speed signal malfunction
Refer to
.
C1734 CONTROL UNIT
WT-31
< COMPONENT DIAGNOSIS >
C
D
F
G
H
I
J
K
L
M
A
B
WT
N
O
P
C1734 CONTROL UNIT
Description
INFOID:0000000000957894
The BCM reads the air 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.
DTC Logic
INFOID:0000000000957895
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
VEHICLE DRIVING
With CONSULT-III
1.
Drive at a speed 40 km/h (25 MPH) or more for several minutes without stopping.
2.
Check all tire pressures with CONSULT-III “DATA MONITOR” within 15 minutes after vehicle speed
become 17 km/h (11 MPH).
Does “DATA MONITOR” displayed the standardized value without turning tire pressure warning lamp ON?
YES
>> INSPECTION END
NO
>> Go to diagnosis procedure. Refer to
.
Diagnosis Procedure
INFOID:0000000000957896
1.
CHECK SELF-DIAGNOSTIC RESULTS
With CONSULT-III
1.
On “SELECT DIAG” mode, select the “SELF-DIAG RESULT” screen.
2.
Check display contents in self-diagnostic results.
Does self-diagnostic results indicate any malfunction?
YES
>> Perform trouble diagnosis. Refer to
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY
1.
Turn ignition switch “OFF”.
2.
Disconnect BCM harness connector.
3.
Check voltage between BCM harness connector terminals and ground.
Is the power supply normal?
YES
>> GO TO 3.
NO
>>
Check the following. If any items are damaged, repair or replace damage parts.
• 40A fusible link [No. K located in the fuse block]. Refer to
.
• 10A fuse [No. 10 located in the fuse block (J/B)]. Refer to
PG-93, "Fuse, Connector and Termi-
• Harness for short or open between battery and BCM harness connector M118 terminal 1.
• Harness for short or open between battery and BCM harness connector M119 terminal 11.
• Check Battery voltage.
3.
CHECK GROUND CIRCUIT
DTC number
Trouble diagnosis name
DTC detecting condition
Possible case
C1734
CONTROL UNIT
Tire pressure monitoring system in BCM is malfunctioning
BCM malfunction
(+)
(–)
Voltage (Approx.)
BCM
Ground
Connector
Terminal
M118
1
Battery voltage
M119
11
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