Infiniti G37 Coupe. Manual — part 1413
WT-24
< COMPONENT DIAGNOSIS >
C1716, C1717, C1718, C1719 TRANSMITTER (PRESSDATA)
2.
CHECK TIRE PRESSURE MONITORING SYSTEM
With CONSULT-III
1.
Perform the 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.
Does “DATA MONITOR” displayed the standardized value without turning low tire pressure warning lamp ON?
YES
>> INSPECTION END
NO
>> Perform the self-diagnosis, inspect detected malfunction. Refer to
MONITOR : Diagnosis Description"
Component Inspection
INFOID:0000000001686969
1.
CHECK TRANSMITTER
With CONSULT-III
1.
Adjust tire pressure to specified value. Refer to
.
2.
Perform ID registration of all transmitters. Refer to
WT-5, "ID REGISTRATION PROCEDURE : Special
3.
Drive at a 40 km/h (25 MPH) or more for several minutes without stopping.
4.
Check all tire pressure with CONSULT-III “DATA MONITOR” within 15 minutes after vehicle speed
become 17 km/h (11 MPH).
Is tire pressure indicated as 438.60 kPa (4.47 kg/cm
2
, 63.60 psi) on the “DATA MONITOR” screen?
YES
>> Replace malfunctioning transmitter.
NO
>> Check BCM and tire pressure receiver.
Special Repair Requirement
INFOID:0000000001686970
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.
C1720, C1721, C1722, C1723 TRANSMITTER (CODE)
WT-25
< COMPONENT DIAGNOSIS >
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C1720, C1721, C1722, C1723 TRANSMITTER (CODE)
Description
INFOID:0000000001686971
A sensor-transmitter integrated with a valve is installed on a wheel, and detected air pressure signal by radio
wave.
DTC Logic
INFOID:0000000001686972
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
VEHICLE DRIVING
With CONSULT-III
1.
Driving 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.
2.
Check all tire pressure with CONSULT-III “DATA MONITOR” within 5 minutes.
Does “DATA MONITOR” displayed the standardized value without turning low tire pressure warning lamp ON?
YES
>> INSPECTION END
NO
>> Go to diagnosis procedure. Refer to
.
Diagnosis Procedure
INFOID:0000000001686973
1.
CHECK ID REGISTRATION
With CONSULT-III
1.
Perform the 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 pressure with CONSULT-III “DATA MONITOR” within 5 minutes.
Can ID registration of all transmitters be completed?
YES
>> GO TO 6.
NO
>> GO TO 2.
2.
CHECK ALL TIRE PRESSURE SIGNAL
With CONSULT-III
1.
Start engine.
2.
Select “DATA MONITOR” mode for “AIR PRESSUR MONITOR” with CONSULT-III.
3.
Read out the value of “AIR PRESS FL”, “AIR PRESS FR”, “AIR PRESS RR” and “AIR PRESS RL”.
DTC
number
Trouble diagnosis
name
DTC detecting condition
Possible case
C1720
[CODE ERR] FL
function code data from front-LH transmitter is malfunction.
• Tire pressure receiver mal-
function
• Transmitter malfunction
• BCM malfunction
C1721
[CODE ERR] FR
function code data from front-RH transmitter is malfunction.
C1722
[CODE ERR] RR
function code data from rear-RH transmitter is malfunction.
C1723
[CODE ERR] RL
function code data from rear-LH transmitter is malfunction.
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
information display.
AIR PRESS FR
AIR PRESS RR
AIR PRESS RL
WT-26
< COMPONENT DIAGNOSIS >
C1720, C1721, C1722, C1723 TRANSMITTER (CODE)
Are all tire pressure displayed 0 kPa?
YES
>> GO TO 3.
NO
>> GO TO 5.
3.
CHECK HARNESS BETWEEN BCM AND TIRE PRESSURE 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 damage 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 damaged 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 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 vehicle speed
become 17 km/h (11 MPH).
Does “DATA MONITOR” displayed the standardized value without turning low 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 information 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
C1720, C1721, C1722, C1723 TRANSMITTER (CODE)
WT-27
< COMPONENT DIAGNOSIS >
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Does “DATA MONITOR” displayed the standardized value without turning low tire pressure warning lamp ON?
YES
>> INSPECTION END.
NO
>> GO TO 2.
Special Repair Requirement
INFOID:0000000001686974
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.
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