2010 INFINITI QX56 Factory Service Manual

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INFINITI QX56 2010 Factory Service Manual WT-12
< FUNCTION DIAGNOSIS >
DIAGNOSIS SYSTEM (BCM)
NOTE:
Before performing the self-diagnosis, be sure to register the ID, or the actual malfunction location may be different from that displayed on
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INFINITI QX56 2010 Factory Service Manual DIAGNOSIS SYSTEM (BCM)WT-13
< FUNCTION DIAGNOSIS >
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35
36
37
38 Transmitter pressure data error (FL)
Transmitter pressure data error (FR)
Transmitter pressure data error

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INFINITI QX56 2010 Factory Service Manual WT-14
< COMPONENT DIAGNOSIS >
C1708 - C1711 DATA FROM TRANSMITTER NOT BEING RECEIVED
COMPONENT DIAGNOSIS
C1708 - C1711 DATA FROM TRANSMITTER NOT BEING RECEIVED
DescriptionINFOID:0000000005148212
Tire

WT-14
< COMPONENT DIAGNOSIS >
C1708 - C1711 DATA FROM TRANSMITTER NOT BEING RECEIVED
COMPONENT DIAGNOSIS
C1708 - C1711 DATA FROM TRANSMITTER NOT BEING RECEIVED
DescriptionINFOID:0000000005148212
Tire pressure data for one or more transmitters is not being received by the BCM.
DTC LogicINFOID:0000000005148213
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.ID REGISTRATION AND VEHICLE DRIVING
1. Carry out ID registration of all transmitters.
2. Drive at a speed of 40 km/h (25 MPH) or more fo r 3 minutes, and then drive the vehicle at any speed for
10 minutes.
3. Check all tire pressures with CONSULT-III within 5 minutes.
Does
“DATA MONITOR ITEM” display tire pressure as normal without any warning lamp?
YES >> Inspection End.
NO >> Refer to WT-14, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000005148214
MALFUNCTION CODE NO. 21, 22, 23 OR 24 (DTC C1708, C1709, C1710 OR C1711)
1.CHECK BCM
Drive for several minutes. Check all tire pressures with CONSULT-III.
Are all tire pressures displayed as 0 kPa?
YES >> GO TO 2
NO >> GO TO 3
2.CHECK TIRE PRESSURE RECEIVER CONNECTOR
Check tire pressure receiver connector for damage or loose connection.
Is tire pressure receiver connector damaged or loose?
YES >> Repair or replace tire pressure receiver connector.
NO >> Replace BCM, then GO TO 3. Refer to BCS-59, "
Removal and Installation".
3.PERFORM ID REGISTRATION
Carry out ID registration of all transmitters. Refer to WT-6, "
ID Registration Procedure".
Is there a tire that cannot register ID?
YES >> Replace malfunctioning transmitter, then GO TO 5. Refer to WT-50, "Transmitter (Pressure Sen-
sor)".
NO >> GO TO 4
4.DRIVE VEHICLE
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 within 15 minutes after vehicle speed becomes 17 km/h (11 MPH).
Does
“DATA MONITOR ITEM” display tire pressure as normal without any warning lamp?
DTC CONSULT-III DTC detecting condition
C1708 [NO - DATA] - FL Data from FL transmitter cannot be received.
C1709 [NO - DATA] - FR Data from FR transmitter cannot be received.
C1710 [NO - DATA] - RR Data from RR transmitter cannot be received.
C1711 [NO - DATA] - RL Data from RL transmitter cannot be received.
Revision: April 20092010 QX56

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INFINITI QX56 2010 Factory Service Manual C1708 - C1711 DATA FROM TRANSMITTER NOT BEING RECEIVED
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YES >> Inspection End.
NO >> GO TO 5
5.ID REGISTRATION AND VEHICLE DRIVING
1. Carr

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INFINITI QX56 2010 Factory Service Manual WT-16
< COMPONENT DIAGNOSIS >
C1712 - C1715, C1720 - C1723, C1724 - C1727 TRANSMITTER MALFUNCTION
C1712 - C1715, C1720 - C1723, C1724 - C1727 TRANSMITTER MALFUNC-
TION
DescriptionINFOID:00000000051482

WT-16
< COMPONENT DIAGNOSIS >
C1712 - C1715, C1720 - C1723, C1724 - C1727 TRANSMITTER MALFUNCTION
C1712 - C1715, C1720 - C1723, C1724 - C1727 TRANSMITTER MALFUNC-
TION
DescriptionINFOID:0000000005148216
One or more transmitters are malfunctioning internally.
DTC LogicINFOID:0000000005148217
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.DRIVE VEHICLE
1. Drive at a speed of 40 km/h (25 MPH) or more fo r 3 minutes, and then drive the vehicle at any speed for
10 minutes.
2. Check all tire pressures with CONSULT-III within 5 minutes.
Does
“DATA MONITOR ITEM” display tire pressure as normal without any warning lamp?
YES >> Inspection End.
NO >> Refer to WT-16, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000005148218
MALFUNCTION CODE NO. 31, 32, 33, 34, 41, 42, 43, 44, 45, 46, 47 OR 48 (DTC C1712, C1713,
C1714, C1715, C1720, C1721, C1722, C1723, C1724, C1725, C1726 OR C1727)
1.PERFORM ID REGISTRATION
1. Carry out ID registration of all transmitters. Refer to WT-6, "
ID Registration Procedure".
2. Drive at a speed of 40 km/h (25 MPH) or more fo r 3 minutes, and then drive the vehicle at any speed for
10 minutes.
>> GO TO 2
2.REPLACE TRANSMITTER
1. Check low tire pressure warning lamp again for fl ashing, replace malfunctioning transmitter. Refer to WT-
50, "Transmitter (Pressure Sensor)".
2. Carry out ID registration of all transmitters.
Can ID registration of all transmitters be completed?
YES >> GO TO 3
NO >> GO TO WT-14, "
Diagnosis Procedure".
DTC CONSULT-III DTC detecting condition
C1712 [CHECKSUM - ERR] - FL Checksum data from FL transmitter is malfunctioning.
C1713 [CHECKSUM - ERR] - FR Checksum data from FR transmitter is malfunctioning.
C1714 [CHECKSUM - ERR] - RR Checksum data from RR transmitter is malfunctioning.
C1715 [CHECKSUM - ERR] - RL Ch ecksum data from RL transmitter is malfunctioning.
C1720 [CODE - ERR] - FL Function code data from FL transmitter is malfunctioning.
C1721 [CODE - ERR] - FR Function code data from FR transmitter is malfunctioning.
C1722 [CODE - ERR] - RR Function code data from RR transmitter is malfunctioning.
C1723 [CODE - ERR] - RL Function code data from RL transmitter is malfunctioning.
C1724 [BATT - VOLT - LOW] - FL Battery voltage of FL transmitter drops.
C1725 [BATT - VOLT - LOW] - FR Battery voltage of FR transmitter drops.
C1726 [BATT - VOLT - LOW] - RR Battery voltage of RR transmitter drops.
C1727 [BATT - VOLT - LOW] - RL Battery voltage of RL transmitter drops.
Revision: April 20092010 QX56

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INFINITI QX56 2010 Factory Service Manual C1712 - C1715, C1720 - C1723, C1724 - C1727 TRANSMITTER MALFUNCTION
WT-17
< COMPONENT DIAGNOSIS >
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3.DRIVE VEHICLE
1. Drive at a speed of 40 km/h (25 MPH) or more fo r 3

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INFINITI QX56 2010 Factory Service Manual WT-18
< COMPONENT DIAGNOSIS >
C1716 - C1719 TRANSMITTER PRESSURE MALFUNCTION
C1716 - C1719 TRANSMITTER PRESSURE MALFUNCTION
DescriptionINFOID:0000000005148220
Air pressure data from one or more transm

WT-18
< COMPONENT DIAGNOSIS >
C1716 - C1719 TRANSMITTER PRESSURE MALFUNCTION
C1716 - C1719 TRANSMITTER PRESSURE MALFUNCTION
DescriptionINFOID:0000000005148220
Air pressure data from one or more transmitters is out of range.
DTC LogicINFOID:0000000005148221
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.ID REGISTRATION AND VEHICLE DRIVING
1. Carry out ID registration of all transmitters.
2. Drive at a speed of 40 km/h (25 MPH) or more fo r 3 minutes, and then drive the vehicle at any speed for
10 minutes.
3. Check all tire pressures with CONSULT-III within 5 minutes.
Does
“DATA MONITOR ITEM” display tire pressure as normal without any warning lamp?
YES >> Inspection End.
NO >> Refer to WT-18, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000005148222
MALFUNCTION CODE NO. 35, 36, 37 OR 38 (DTC C1716, C1717, C1718 OR C1719)
1.CHECK ALL TIRE PRESSURES
Check all tire pressures. Refer to WT-52, "
Tire".
Are there any tires with pressure of 64 psi or more?
YES >> Adjust tire pressure to specified value.
NO >> GO TO 2
2.ID REGISTRATION AND VEHICLE DRIVING
1. Carry out ID registration of all transmitters. Refer to WT-6, "
ID Registration Procedure".
2. Drive at a speed of 40 km/h (25 MPH) or more for several minutes without stopping.
3. Check all tire pressures with CONSULT-III within 15 minutes after vehicle speed becomes 17 km/h (11
MPH).
Does
“DATA MONITOR ITEM” display 64 psi or more?
YES >> Replace transmitter. Refer to WT-50, "Transmitter (Pressure Sensor)". GO TO 3.
NO >> GO TO 3
3.ID REGISTRATION AND VEHICLE DRIVING
1. Carry out ID registration of all transmitters.
2. Drive at a speed of 40 km/h (25 MPH) or more fo r 3 minutes, and then drive the vehicle at any speed for
10 minutes.
3. Check all tire pressures with CONSULT-III within 5 minutes.
Does
“DATA MONITOR ITEM” display tire pressure as normal without any warning lamp?
YES >> Inspection End.
NO >> Proceed to the inspection applicable to DTC.
Special Repair RequirementINFOID:0000000005315447
Perform preliminary check. Refer to WT-5, "Preliminary Check".
DTCCONSULT - III DTC detecting condition
C1716 [PRESSDATA - ERR] FL Air pressure data from FL transmitter is malfunctioning.
C1717 [PRESSDATA - ERR] FR Air pressure data from FR transmitter is malfunctioning.
C1718 [PRESSDATA - ERR] RR Air pressure data from RR transmitter is malfunctioning.
C1719 [PRESSDATA - ERR] RL Air pressure data from RL transmitter is malfunctioning.
Revision: April 20092010 QX56

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INFINITI QX56 2010 Factory Service Manual C1729 VEHICLE SPEED SIGNALWT-19
< COMPONENT DIAGNOSIS >
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C1729 VEHICLE SPEED SIGNAL
DescriptionINFOID:0000000005148224
The vehicle speed signal is not being detected by

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