2007 INFINITI QX56 Factory Service Manual

fuse box diagram ignition deactivate passenger airbag navigation system warning light brake rotor

Page 3009 of 3061

INFINITI QX56 2007 Factory Service Manual WT-20
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Data from Transmitter Not Being ReceivedINFOID:0000000003532704
MALFUNCTION CODE N

WT-20
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Data from Transmitter Not Being ReceivedINFOID:0000000003532704
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-II.
Are all tire pressures displayed as 0 kPa?
YES >> GO TO 2.
NO >> GO TO 3.
2.CHECK REMOTE KEYLESS ENTRY RECEIVER CONNECTOR
Check remote keyless entry receiver connector for damage or loose connections.
OK or NG
OK >> Replace BCM, then GO TO 3. Refer to BCS-24, "BCM".
NG >> Repair or replace remote keyless entry receiver connector.
3.PERFORM ID REGISTRATION
Carry out ID registration of all transmitters. Refer to WT-12, "
ID Registration Procedure".
Is there a tire that cannot register ID?
YES >> Replace transmitter of the tire, then GO TO 5. Refer to WT-26, "Transmitter (Pressure Sensor)".
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-II 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?
YES >> Inspection End.
NO >> GO TO 5.
5.ID REGISTRATION AND VEHICLE DRIVING
1. Carry out ID registration of all transmitters. Refer to WT-12, "
ID Registration Procedure".
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.
3. Check all tire pressures with CONSULT-II within 5 minutes.
Does
“DATA MONITOR ITEM” display tire pressure as normal without any warning lamp?
YES >> Inspection End.
NO >> GO TO the inspection applicable to DTC.
Transmitter MalfunctionINFOID:0000000003532705
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-12, "
ID Registration Procedure".
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.
>> GO TO 2.
2.REPLACE TRANSMITTER
1. Check low tire pressure warning lamp again for flashing, replace malfunctioning transmitter. Refer to WT-
26, "Transmitter (Pressure Sensor)".
2. Carry out ID registration of all transmitters. Refer to WT-12, "
ID Registration Procedure".

Page 3010 of 3061

INFINITI QX56 2007 Factory Service Manual TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
WT-21
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Can ID registration of all transmitters be completed?
YES >> GO TO 3.
NO >> GO TO WT-20, "
Dat

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
WT-21
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Can ID registration of all transmitters be completed?
YES >> GO TO 3.
NO >> GO TO WT-20, "
Data from Transmitter Not Being Received".
3.DRIVE VEHICLE
1. 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.
2. Check all tire pressures with CONSULT-II within 5 minutes.
Does
“DATA MONITOR ITEM” display tire pressure as normal without any warning lamp?
YES >> Inspection End.
NO >> Replace malfunctioning transmitter, and perform Step 3 again. Refer to WT-26, "
Transmitter
(Pressure Sensor)".
Transmitter Pressure MalfunctionINFOID:0000000003532706
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-28, "
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-12, "
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-II 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-26, "Transmitter (Pressure Sensor)". GO TO 3.
NO >> GO TO 3.
3.ID REGISTRATION AND VEHICLE DRIVING
1. Carry out ID registration of all transmitters. Refer to WT-12, "
ID Registration Procedure".
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.
3. Check all tire pressures with CONSULT-II within 5 minutes.
Does
“DATA MONITOR ITEM” display tire pressure as normal without any warning lamp?
YES >> Inspection End.
NO >> GO TO the inspection applicable to DTC.
Vehicle Speed SignalINFOID:0000000003532707
MALFUNCTION CODE NO. 52 (DTC C1729)
1.SELF-DIAGNOSTIC RESULT CHECK
Using CONSULT-II, check display contents in self-diagnostic results.
Is " CAN COMM CIRCUIT" displayed in the self-diagnosis display items?
YES >> Malfunction in CAN communication system. GO TO LAN-40.
NO >> GO TO 2.
2.CHECK BCM
Perform BCM diagnosis. Refer to BCS-16, "
CONSULT-II Function (BCM)".
Inspection results OK?
OK >> Perform Vehicle Speed Sensor Inspection. Refer to AT-107, "Diagnosis Procedure".
NG >> Replace BCM. Refer to BCS-24, "
BCM".

Page 3011 of 3061

INFINITI QX56 2007 Factory Service Manual WT-22
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Ignition Signal
INFOID:0000000003585170
MALFUNCTION CODE NO. 54 (DTC C1735)
1.CAN IGNITION SIGNAL
Check BCM IGN RLY signal wit

Page 3012 of 3061

INFINITI QX56 2007 Factory Service Manual TROUBLE DIAGNOSIS FOR SYMPTOMS
WT-23
< SERVICE INFORMATION >
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TROUBLE DIAGNOSIS FOR SYMPTOMS
Low Tire Pressure Warning Lamp Does Not Come On When Ignition Switch Is Turn

Page 3013 of 3061

INFINITI QX56 2007 Factory Service Manual WT-24
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS FOR SYMPTOMS
OK or NG
OK >> GO TO 4.
NG >> Check BCM power supply circuit for open or short.
4.CHECK BCM GROUND CIRCUIT
1. Turn ignition switch OFF.
2.

Page 3014 of 3061

INFINITI QX56 2007 Factory Service Manual TROUBLE DIAGNOSIS FOR SYMPTOMS
WT-25
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OK or NG
OK >> Replace BCM. Refer to BCS-24, "BCM" .
NG >> Repair or replace harness connector.
Hazard Warn

Page 3015 of 3061

INFINITI QX56 2007 Factory Service Manual WT-26
< SERVICE INFORMATION >
REMOVAL AND INSTALLATION
REMOVAL AND INSTALLATION
Transmitter (Pressure Sensor)INFOID:0000000003532714
REMOVAL
1. Deflate tire. Unscrew transmitter retaining nut and allo

Page 3016 of 3061

INFINITI QX56 2007 Factory Service Manual REMOVAL AND INSTALLATION
WT-27
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3. Place wheel on turntable of tire machine. Ensure that transmitter
is 270 degrees from mounting/dismounting hea

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