INFINITI QX56 2011 Factory Service Manual

TIRE PRESSURE MONITORING SYSTEMWT-21
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JCEWM0216GB
Revision: 2010 May2011 QX56

WT-22
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TIRE PRESSURE MONITORING SYSTEM
JCEWM0217GB
Revision: 2010 May2011 QX56

TIRE PRESSURE MONITORING SYSTEMWT-23
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JCEWM0218GB
Revision: 2010 May2011 QX56

WT-24
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TIRE PRESSURE MONITORING SYSTEM
JCEWM0219GB
Revision: 2010 May2011 QX56

DIAGNOSIS AND REPAIR WORK FLOWWT-25
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BASIC INSPECTION
DIAGNOSIS AND REPAIR WORK FLOW
Work Flow INFOID:0000000006225501
DETAILED FLOW
1.COLLECT THE INFORMATION FROM THE CUSTOMER
It is also important to clarify customer concerns before starting the inspection. Reproduce the symptom, and
understand it fully. Interview the customer about the concer ns carefully. In some cases, it is necessary to
check the symptoms by driving the vehicle with the customer.
CAUTION:
Customers are not professionals. Never assume“mayb e the customer means...” or “maybe the cus-
tomer mentioned this symptom.
>> GO TO 2.
2.BASIC INSPECTION
1. Turn the ignition switch ON. CAUTION:
Never start the engine.
2. Check the tire pressure for all wheels and adjust to the specified value. Refer to WT-69, "
Tire Air Pres-
sure".
Is the inspection result normal?
YES >> GO TO 3.
NO >> Inspect or repair the tires or wheels.
3.CHECK LOW TIRE PRESSURE WARNING LAMP STATUS
Check low tire pressure warning lamp display.
Does not low tire pressure warning lamp turn OFF?
YES >> GO TO 4.
NO >> GO TO 8.
4.CHECK DTC WITH LOW TIRE PR ESSURE WARNING CONTROL UNIT
With CONSULT-III
Perform the self-diagnosis fo r “AIR PRESSURE MONITOR”.
Is any DTC detected?
YES >> GO TO 5.
NO >> GO TO 8.
5.ERASE DTC MEMORY
With CONSULT-III
1. Record DTC.
2. Erase DTC once.
NOTE:
After erasing DTC record, currently occurr ed DTC can be detected by reading out DTC again.
>> GO TO 6.
6.PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT-III
Perform “DTC CONFIRMATION PROCEDURE” (self-diagnosis) with recorded DTC.
If two or more DTCs are detected, refer to WT-17, "
DTC Inspection Priority Chart" and determine trouble diag-
nosis order.
Is any malfunction detected by self-diagnosis?
YES >> GO TO 7.
Revision: 2010 May2011 QX56

WT-26
< BASIC INSPECTION >
DIAGNOSIS AND REPAIR WORK FLOW
NO >> GO TO 8.
7.DETECT MALFUNCTIONING PART BY DIAGNOSIS PROCEDURE
Perform the diagnosis applicable to the displayed DTC. Refer to WT-18, "
DTC Index".
>> GO TO 10.
8.CRUISE FOR SYMPTOM CHECK
1. Start the engine.
2. Drive for several minutes at a speed of 40 km /h (25 MPH) or more, then stop the vehicle.
>> GO TO 9.
9.PERFORM DIAGNOSIS BY SYMPTOM
Perform trouble diagnosis or repair applicable to the symptom. Refer to WT-53, "
Symptom Table".
>> GO TO 11.
10.FINAL CHECK (WHEN DTC WAS DETECTED)
With CONSULT-III
Perform “DTC CONFIRMATION PROCE DURE” (self-diagnosis) with applicable DTC.
Is any malfunction detec ted by self-diagnosis?
YES >> GO TO 7.
NO >> INSPECTION END
11 .FINAL CHECK (WHEN SYMPTOM OCCURRED)
Make sure that the symptom is not detected.
Does symptom remain?
YES >> GO TO 9.
NO >> INSPECTION END
Revision: 2010 May2011 QX56

ADDITIONAL SERVICE WHEN REPLACING LOW TIRE PRESSURE WARNING
CONTROL UNIT
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ADDITIONAL SERVICE WHEN RE PLACING LOW TIRE PRESSURE
WARNING CONTROL UNIT
DescriptionINFOID:0000000006225502
When replacing low tire pressure warning contro l unit, transmitter ID registration is required.
Work ProcedureINFOID:0000000006225503
ADJUST THE NEUTRAL POSITION OF STEERING ANGLE SENSOR
1.PERFORM TRANSMITTER ID REGISTRATION
Perform transmitter ID registration.
>> Refer to WT-29, "
Work Procedure".
Revision: 2010 May2011 QX56

WT-28
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TRANSMITTER WAKE UP OPERATION
TRANSMITTER WAKE UP OPERATION
DescriptionINFOID:0000000006225504
When replacing transmitter, always transmitter wake-up is required.
Work ProcedureINFOID:0000000006225505
1.TRANSMITTER WAKE-UP PROCEDURE
1. Turn the ignition switch ON.
2. Press the transmitter activation tool (J-45295) (1) against the side of the tire at the location closest to the transmitter.
3. Wait until the indicator lamp turns OFF (approximately 5 sec- onds).
CAUTION:
Perform the wake-up procedure starting from the vehicle
front left wheel, then repeat the procedure in the order of
the front right wheel, rear right wheel, and rear left wheel.
4. Check that the low tire pressure warning lamp blinks in the pattern shown as per the following. The pattern
indicates that the transmitter wake- up procedure for the wheel is completed.
5. Check that the hazard warning lamp blink twice w hen the transmitter wake-up procedure for all wheels is
completed.
6. Check that the low tire pressure warning lamp turn s OFF, after the transmitter wake-up procedure is com-
pleted for all wheels and turns OFF.
Is the transmitter wake-up completed?
YES >> Perform the transmitter ID registration procedure. Refer to WT-29, "Work Procedure".
NO >> Perform trouble diagnosis for the transmitter. Refer to WT-33, "
Diagnosis Procedure".
NNEIC0020ZZ
JPEIC0089GB
Revision: 2010 May2011 QX56

ID REGISTRATIONWT-29
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ID REGISTRATION
DescriptionINFOID:0000000006225506
When replacing or rotating wheels, replacing transmitter or low tire pressure warning control unit, always
transmitter ID registration is required.
Work ProcedureINFOID:0000000006225507
1.CONFIRMATION OF TRANSMITTER ACTIVATION TOOL USE
Check method of ID registration procedure.
Is the transmitter activation tool (J-45295) us ed for the transmitter ID registration procedure?
YES >> GO TO 2.
NO >> GO TO 3.
2.TRANSMITTER ID REGISTRATION PROCEDURE (W ITH THE TRANSMITTER ACTIVATION TOOL)
With CONSULT-III
1. Turn the ignition switch ON.
2. Display the “WORK SUPPORT” screen for “AIR PRESSURE MONITOR” and select “ID REGIST”.
3. Press the transmitter activation tool (J-45295) (1) against the
side of the tire at the location closest to the transmitter.
4. Wait until the indicator lamp turns OFF (approximately 5 sec- onds).
CAUTION:
Perform the ID registration procedure starting from the
vehicle front left wheel, then repeat the procedure in the
order of the front right wheel, rear right wheel, and rear left
wheel.
5. When ID registration is completed, check the following pattern at
each wheel.
6. After the ID registration procedure for all wheels is completed, press “End” to end ID registration, and
check that ID registration for all wheels is completed.
Is the check result normal?
YES >> ID registration END.
NO >> Perform the self-diagnosis for “AIR PRESSURE MONITOR”. Refer to WT-18, "
DTC Index".
3.TRANSMITTER ID REGISTRATION PROCEDURE (WITHOUT THE TRANSMITTER ACTIVATION TOOL)
With CONSULT-III
1. Display the “WORK SUPPORT” screen for “AIR PRESSURE MONITOR” and select “ID REGIST”.
2. Adjust the tire pressure for all wheels to match the list below.
3. Drive the vehicle at a speed at more than 40 km/h (25 MPH) for 3 minutes or more, then perform the
transmitter ID registration procedure.
4. After ID registration for all wheels is completed, press “End” to end ID registration.
Sequence ID registration position Hazard warning lamp CONSULT-III
1 Front LH
2 blinks“Red”
↓
“Green”
2Front RH
3Rear RH
4 Rear LH
NNEIC0020ZZ
Tire position
Tire pressure kPa (kg/cm2, psi)
Front LH 240 (2.4, 34)
Front RH 220 (2.2, 31) Rear RH 200 (2.0, 29)Rear LH 180 (1.8, 26)
Revision: 2010 May2011 QX56

WT-30
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ID REGISTRATION
5. Adjust the tire pressures for all wheels to the specified value. Refer to WT-69, "Tire Air Pressure".
Is ID registrations for all wheels completed?
YES >> ID registration END.
NO >> Perform the self-diagnosis for “AIR PRESSURE MONITOR”. Refer to WT-18, "
DTC Index".
ID registration position CONSULT-III
Front LH “Red”↓
“Green”
Front RH
Rear RHRear LH
Revision: 2010 May2011 QX56