Infiniti EX35. Manual — part 1515
WT-16
< COMPONENT DIAGNOSIS >
C1704, C1705, C1706, C1707 LOW TIRE PRESSURE
COMPONENT DIAGNOSIS
C1704, C1705, C1706, C1707 LOW TIRE PRESSURE
Description
INFOID:0000000003579705
When the tire pressure monitoring system detects low inflation pres-
sure, the low tire pressure warning lamps in the combination meter
comes on.
DTC Logic
INFOID:0000000003579706
DTC DETECTION LOGIC
NOTE: 182.7 kPa (1.9 kg/cm
2
, 26 psi): Standard air pressure is for 230 kPa (2.3 kg/cm
2
, 33 psi) vehicles.
DTC CONFIRMATION PROCEDURE
1.
DTC REPRODUCTION PROCEDURE
With CONSULT-III
1.
Drive at a speed of 40 km/h (25 MPH) or more for 10 minutes.
2.
Perform BCM self-diagnosis.
Is DTC “C1704”, “C1705”, “C1706”, “C1707” detected?
YES
>> Proceed to diagnosis procedure. Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000003579707
1.
CHECK TIRE AIR PRESSURE
1.
Check all tire air pressures.
2.
Adjust all tire air pressures. Refer to
Does all tire pressure data meet the specification?
YES
>> GO TO 2.
NO
>> Inspect or replace malfunctioning parts.
2.
CHECK AIR PRESSURE SIGNAL
1.
Drive at a speed of 40 km/h (25 MPH) or more for 10 minutes.
2.
Check all tire pressure with CONSULT-III “DATA MONITOR” within 5 minutes.
SEIA0434E
DTC
Display item
Malfunction detected condition
Possible cause
C1704
LOW PRESSURE FL
Front LH tire pressure drops to * kPa (* kg/cm
2
, * psi) or less. [NOTE]
Tire pressure is low
C1705
LOW PRESSURE FR
Front RH tire pressure drops to * kPa (* kg/cm
2
, * psi) or less. [NOTE]
C1706
LOW PRESSURE RR
Rear RH tire pressure drops to * kPa (* kg/cm
2
, * psi) or less. [NOTE]
C1707
LOW PRESSURE RL
Rear LH tire pressure drops to * kPa (* kg/cm
2
, * psi) or less. [NOTE]
C1704, C1705, C1706, C1707 LOW TIRE PRESSURE
WT-17
< COMPONENT DIAGNOSIS >
C
D
F
G
H
I
J
K
L
M
A
B
WT
N
O
P
Is inspection result normal?
YES
>> INSPECTION END
NO
>> Repair or replace damaged parts (tire or wheel). Refer to
WT-95, "Service Notice or Precautions"
.
Special Repair Requirement
INFOID:0000000003579708
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-6, "ID REGISTRATION PROCEDURE : Special Repair Requirement"
.
>> END
Monitored item
Condition
Display value
AIR PRESS FL
Start the engine and drive at a 40 km/h (25 MPH) or
more for 10 minutes.
Approximately equal to the indication on vehicle
information display.
AIR PRESS FR
AIR PRESS RR
AIR PRESS RL
WT-18
< COMPONENT DIAGNOSIS >
C1708, C1709, C1710, C1711 TRANSMITTER
C1708, C1709, C1710, C1711 TRANSMITTER
Description
INFOID:0000000003579709
The transmitter (1) integrated with a valve is installed on a wheel (2),
and transmits a detected air pressure signal by radio wave.
DTC Logic
INFOID:0000000003579710
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
DTC REPRODUCTION PROCEDURE
With CONSULT-III
1.
Drive at a speed of 40 km/h (25 MPH) or more for 10 minutes.
2.
Perform BCM self-diagnosis.
Is DTC “C1708”, “C1709”, “C1710”, “C1711” detected?
YES
>> Proceed to diagnosis procedure. Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000003579711
1.
CHECK AIR PRESSURE SIGNAL
With CONSULT-III
1.
Start the engine.
2.
Select “DATA MONITOR” mode for “AIR PRESSURE MONITOR” with CONSULT-III.
3.
Read out the value of “AIR PRESS FL”, “AIR PRESS FR”, “AIR PRESS RR”, “AIR PRESS RL”.
Are all tire pressures displayed 0 kPa?
YES
>> GO TO 2.
NO
>> GO TO 4.
2.
CHECK HARNESS BETWEEN BCM AND TIRE PRESSURE RECEIVER
1.
Turn the ignition switch OFF.
2.
Disconnect BCM harness connector and tire pressure receiver harness connector.
: Outside
JPEIC0013ZZ
DTC
Display item
Malfunction detected condition
Possible cause
C1708
[NO DATA] FL
Data from front LH transmitter can not receive.
• Harness or connector
(Tire pressure receiver, BCM)
• ID registration is not finished
• Transmitter malfunction
• BCM malfunction
C1709
[NO DATA] FR
Data from front RH transmitter can not receive.
C1710
[NO DATA] RR
Data from rear RH transmitter can not receive.
C1711
[NO DATA] RL
Data from rear LH transmitter can not receive.
Monitored item
Condition
Display value
AIR PRESS FL
Start the engine and drive at a 40 km/h (25 MPH) or more for
several minutes.
Approximately equal to the indication on
vehicle information display.
AIR PRESS FR
AIR PRESS RR
AIR PRESS RL
C1708, C1709, C1710, C1711 TRANSMITTER
WT-19
< COMPONENT DIAGNOSIS >
C
D
F
G
H
I
J
K
L
M
A
B
WT
N
O
P
3.
Check continuity between BCM harness connector and tire pressure receiver harness connector.
4.
Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace damaged parts.
3.
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 damaged parts.
NO
>> Replace the tire pressure receiver.
4.
CHECK ID REGISTRATION
Perform ID registration of all transmitters. Refer to
WT-6, "ID REGISTRATION PROCEDURE : Special Repair
Can ID registration of all transmitters be completed?
YES
>> GO TO 5.
NO
>> Replace malfunctioning transmitter.
5.
CHECK TIRE PRESSURE MONITORING SYSTEM
With CONSULT-III
1.
Drive at a speed of 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 stopped vehicle.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace BCM.
Special Repair Requirement
INFOID:0000000003579712
1.
CHECK TIRE AIR PRESSURE
Check all tire air pressures. Refer to
Does all tire pressure data meet the specification?
YES
>> GO TO 2.
BCM
Tire pressure receiver
Continuity
Connector
Terminal
Connector
Terminal
M123
137
M101
1
Existed
138
4
139
2
BCM
—
Continuity
Connector
Terminal
M123
137
Ground
Not existed
138
139
Monitored item
Condition
Display value
AIR PRESS FL
Start the engine and drive at 40 km/h (25MPH) or more
for several minutes.
Approximately equal to the indication on vehicle
information display.
AIR PRESS FR
AIR PRESS RR
AIR PRESS RL
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