2011 INFINITI QX56 tire pressure

WT-20
< WIRING DIAGRAM >
TIRE PRESSURE MONITORING SYSTEM
JCEWM0215GB
Revision: 2010 May2011 QX56

TIRE PRESSURE MONITORING SYSTEMWT-21
< WIRING DIAGRAM >
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JCEWM0216GB
Revision: 2010 May2011 QX56

WT-22
< WIRING DIAGRAM >
TIRE PRESSURE MONITORING SYSTEM
JCEWM0217GB
Revision: 2010 May2011 QX56

TIRE PRESSURE MONITORING SYSTEMWT-23
< WIRING DIAGRAM >
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JCEWM0218GB
Revision: 2010 May2011 QX56

WT-24
< WIRING DIAGRAM >
TIRE PRESSURE MONITORING SYSTEM
JCEWM0219GB
Revision: 2010 May2011 QX56

DIAGNOSIS AND REPAIR WORK FLOWWT-25
< BASIC INSPECTION >
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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

ADDITIONAL SERVICE WHEN REPLACING LOW TIRE PRESSURE WARNING
CONTROL UNIT
WT-27
< BASIC INSPECTION >
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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
< BASIC INSPECTION >
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