WT-2
C1729 VEHICLE SPEED SIGNAL ....................32
DTC Logic ............................................................ ...32
Diagnosis Procedure ..............................................32
LOW TIRE PRESSURE WARNING LAMP .......33
Component Function Check ................................ ...33
Diagnosis Procedure ..............................................33
POWER SUPPLY AND GROUND CIRCUIT .....34
WITH INTELLIGENT KEY ...................................... ...34
WITH INTELLIGENT KEY : Diagnosis Procedure ...34
WITHOUT INTELLIGENT KEY .............................. ...34
WITHOUT INTELLIGENT KEY : Diagnosis Proce-
dure ........................................................................
34
SYMPTOM DIAGNOSIS .............................36
TPMS SYMPTOMS ......................................... ...36
Symptom Table ................................................... ...36
LOW TIRE PRESSURE WARNING LAMP
DOES NOT TURN ON .......................................
37
Diagnosis Procedure ..............................................37
LOW TIRE PRESSURE WARNING LAMP
DOES NOT TURN OFF .....................................
38
Diagnosis Procedure ........................................... ...38
LOW TIRE PRESSURE WARNING LAMP
BLINKS ..............................................................
39
Diagnosis Procedure ........................................... ...39
EASY FILL TIRE ALERT DOES NOT ACTI-
VATE ..................................................................
40
Description ........................................................... ...40
Diagnosis Procedure ..............................................40
ID REGISTRATION CANNOT BE COMPLET-
ED ......................................................................
42
Diagnosis Procedure ............................................ ...42
NOISE, VIBRATION AND HARSHNESS
(NVH) TROUBLESHOOTING ............................
43
NVH Troubleshooting Chart ....................................43
PERIODIC MAINTENANCE .......................44
WHEEL ........................................................... ...44
Inspection ............................................................. ...44
WHEEL AND TIRE ............................................45
Adjustment ........................................................... ...45
REMOVAL AND INSTALLATION ..............48
WHEEL AND TIRE ......................................... ...48
Exploded View ..................................................... ...48
Removal and Installation .........................................48
TRANSMITTER .............................................. ...49
Exploded View ..................................................... ...49
Removal and Installation .........................................49
Disposal ............................................................... ...52
TIRE PRESSURE RECEIVER ...........................53
Removal and Installation .........................................53
SERVICE DATA AND SPECIFICATIONS
(SDS) .......... ................................. ...............
54
SERVICE DATA AND SPECIFICATIONS
(SDS) .............................................................. ...
54
Wheel ................................................................... ...54
Tire Air Pressure .....................................................54
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PRECAUTIONSWT-3
< PRECAUTION >
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PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000012432421
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severi ty of injury to the driver and front passenger for certain
types of collision. Information necessary to service the system safely is included in the SR and SB section of
this Service Manual.
WARNING:
• To avoid rendering the SRS inoper ative, which could increase the risk of personal injury or death in
the event of a collision which would result in air bag inflation, all maintenance must be performed by
an authorized NISSAN/INFINITI dealer.
• Improper maintenance, including in correct removal and installation of the SRS, can lead to personal
injury caused by unintentional act ivation of the system. For removal of Spiral Cable and Air Bag
Module, see the SR section.
• Do not use electrical test equipm ent on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identi fied by yellow and/or orange harnesses or har-
ness connectors.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
• When working near the Airbag Diagnosis Sensor Un it or other Airbag System sensors with the Igni-
tion ON or engine running, DO NOT use air or el ectric power tools or strike near the sensor(s) with a
hammer. Heavy vibration could activate the sensor( s) and deploy the air bag(s), possibly causing
serious injury.
• When using air or electric power tools or hammers, always switch the Ignition OFF, disconnect the
battery and wait at least three mi nutes before performing any service.
Service Notice and Precautions for TPMSINFOID:0000000012432422
WARNING:
Radio waves could adversely affect electric medical equipment. Those who use a pacemaker should
contact the electric medical equipment manufacturer for the possible influences before use.
• Low tire pressure warning lamp blinks for 1 minute, then turns ON when occurring any malfunction except low tire pressure. Erase the self-diagnosis memories fo r Tire Pressure Monitoring System (TPMS), or regis-
ter the ID to turn low tire pressure warning lamp OFF. For ID registration, refer to WT-22, "
Work Procedure".
• ID registration is required when replacing or rotating wheels, replacing tire pressure sensor or BCM. Refer to WT-22, "
Work Procedure".
• Replace grommet seal, valve core and valve cap of tire pressure sensor in TPMS, when replacing each tire by reaching the wear limit. Refer to WT-49, "
Removal and Installation".
• Because the tire pressure sensor conforms to North America radio law, the following items must be
observed.
- The sensor may be used only in North America.
- It may not be used in any method other than the specified method.
- It must not be disassembled or modified.
Service Notice and Pr ecautions for Road WheelINFOID:0000000012432423
• Genuine NISSAN aluminum wheel is designed for each type of vehicle. Use it on the specified vehicle only.
• Use Genuine NISSAN parts for the road wheels, valve caps and wheel nuts.
• Always use them after adjusting the wheel balance. For the balance weights, use Genuine NISSAN alumi-
num wheel weights.
• Use caution when handling the aluminum wheels, because they can be easily scratched. When removing
dirt, do not use any abrasives, a wire brush, or other items that may scratch the coating. Use a neutral deter-
gent if a detergent is needed.
• After driving on roads scattered with anti-icing salts, wash off the wheels completely.
• When installing road wheels onto the vehicle, always wipe off any dirt or foreign substances to prevent them
from being trapped between the contact surfaces of wheel.
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WT-6
< SYSTEM DESCRIPTION >
COMPONENT PARTS
SYSTEM DESCRIPTION
COMPONENT PARTS
Component Parts LocationINFOID:0000000012432426
Component DescriptionINFOID:0000000012432427
BCMINFOID:0000000012432428
The BCM reads the tire pressure signal received by the remote keyless entry receiver, and controls the low tire
pressure warning lamp and the buzzer operations. It also has a self-diagnosis function to detect a system mal-
function.
Remote Keyless Entry ReceiverINFOID:0000000012432429
The remote keyless entry receiver receives the tire pressure signal transmitted by the transmitter in each
wheel.
ALEIA0228ZZ
A. Combination meter (Type A) B. Combination Meter (Type B)C. View with instrument panel removed
D. Wheel E. View with instrument panel removed
No. Component parts Function
1. Combination meter Transmits the vehicle speed signal via CAN communication to BCM.
Receives the low tire pressure warning lamp signal via CAN communication from
BCM.
2. Remote keyless entry receiver WT-6, "
Remote Keyless Entry Receiver".
3. Transmitter WT-7, "
Transmitter".
4. BCM WT-6, "
BCM".
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COMPONENT PARTSWT-7
< SYSTEM DESCRIPTION >
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TransmitterINFOID:0000000012432430
A sensor-transmitter integrated with a valve is installed in each wheel, and transmits a detected tire pressure
signal in the form of a radio wave. The radio signal is received by the remote keyless entry receiver.
Low Tire Pressure Warning LampINFOID:0000000012432431
The combination meter receives tire pressure status from the BCM using CAN communication. When a low
tire pressure condition is sensed by the BCM, the combi nation meter low tire pressure warning lamp is acti-
vated.
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DIAGNOSIS AND REPAIR WORK FLOWWT-21
< BASIC INSPECTION >
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BASIC INSPECTION
DIAGNOSIS AND REPAIR WORK FLOW
Work Flow INFOID:0000000012432442
NOTE:
The Signal Tech II Tool [- (J-50190)] can be used to perform the following functions. Refer to the Signal Tech II
User Guide for additional information.
• Activate and display TPMS transmitter IDs
• Display tire pressure repor ted by the TPMS transmitter
• Read TPMS DTCs
• Register TPMS transmitter IDs
1.COLLECT INFORMATION FROM CUSTOMER
Get detailed information from the customer about t he symptom (the condition and the environment when the
incident/malfunction occurred).
>> GO TO 2.
2.TIRE PRESSURE INSPECTION
Check the tire pressure for all wheels. Refer to WT-54, "
Tire Air Pressure".
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace tire(s) or wheel(s).
3.CHECK LOW TIRE PRE SSURE WARNING LAMP
Check that the low tire pressure warning lamp illumi nates for approximately 1 second after the ignition switch
is turned ON, then turns OFF.
Does the low tire pressure warning lamp turn OFF?
YES >> Inspection End.
NO >> GO TO 4.
4.PERFORM SELF DIAGNOSTIC RESULT
Perform “Self Diagnostic Result”. Refer to BCS-28, "
AIR PRESSURE MONITOR : CONSULT Function (BCM -
AIR PRESSURE MONITOR)" (with Intelligent Key system) or BCS-99, "AIR PRESSURE MONITOR : CON-
SULT Function (BCM - AIR PRESSURE MONITOR)" (without Intelligent Key system).
Are any DTCs displayed?
YES >> Refer to BCS-50, "DTCIndex" (with Intelligent Key system) or BCS-115, "DTCIndex" (without
Intelligent Key system). If two or more DTCs are displayed, refer to BCS-49,
"DTCInspectionPriorityChart" (with Intelligent Key system) or BCS-115,
"DTCInspectionPriorityChart" (without Intelligent Key system).
NO >> GO TO 5.
5.PERFORM DIAGNOSIS APPLICABLE TO THE SYMPTOM
Perform diagnosis applicable to the symptom. Refer to WT-36, "
Symptom Table".
>> GO TO 6.
6.FINAL CHECK
Perform “Self Diagnostic Result” again, and check that the malfunction is repaired. After checking, erase the
self diagnosis memory. Refer to BCS-28, "
AIR PRESSURE MONITOR : CONSULT Function (BCM - AIR
PRESSURE MONITOR)" (with Intelligent Key system) or BCS-99, "AIR PRESSURE MONITOR : CONSULT
Function (BCM - AIR PRESSURE MONITOR)" (without Intelligent Key system).
>> Inspection End.
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WT-22
< BASIC INSPECTION >
ID REGISTRATION PROCEDURE
ID REGISTRATION PROCEDURE
DescriptionINFOID:0000000012432443
This procedure must be performed after replacing wheels, transmitters or the BCM.
Work ProcedureINFOID:0000000012432444
TPMS ID registration can be performed using one of the following procedures:
• Transmitter Activation tool [KV48105501 (J-45295-A)] with CONSULT (preferred method)
• Signal Tech II tool [- (J- 50190)] with CONSULT (preferred method)
• Signal Tech II tool [- (J-50190)] without CONSULT
• CONSULT only
TPMS REGISTRATION WITH TRANSMITTER ACTIVATION TOOL [KV48105501 (J-45295-A)]
With CONSULT
1. Turn the ignition switch ON.
2. Using CONSULT, select “WORK SUPPORT” in “AIR PRESSURE MONITOR” of “BCM”. Then, select “ID
REGIST.”
3. Select “Start” on “ID REGIST” screen.
4. Hold the transmitter activation tool [KV48105501 (J-45295-A)] (1) against the side of the left front tire, near the valve stem.
5. With the tool held at a 0 to 15 degree angle to the tire, press and hold the transmitter activation tool button until the indicator lamp
turns OFF (approximately 5 seconds).
6. Repeat steps 4 and 5 for the remaining tires in this order: right front, right rear and left rear.
7. When ID registration is complete, check the following pattern at each wheel.
8. After the ID registration procedure for all wheels is complete, press “End” on the CONSULT to finish ID registration.
9. Test drive the vehicle to ensure that the TPMS lamp is OFF and no warning messages are present.
TPMS REGISTRATION WITH SIGNAL TECH II TOOL [- (J-50190)]
NOTE:
The Signal Tech II must be updated with the newest software version in order to perform the below proce-
dures. The Signal Tech II software updates can onl y be downloaded from a CONSULT unit with ASIST. Other
versions of ASIST wil l not show the updates.
With CONSULT
1. Adjust the tire pressure for all tires to the recommended value. Refer to WT-54, "Tire Air Pressure".
2. Turn the ignition switch ON.
3. Using CONSULT, select “WORK SUPPORT” in “AIR PRESSURE MONITOR” of “BCM”. Then, select “ID
REGIST.”
4. Select “Start” on “ID REGIST” screen.
5. Turn on the Signal Tech II tool [- (J-50190)].
NNEIC0020ZZ
Sequence ID registration position Turn signal lamp CONSULT
1F ro nt L H
2 blinks “Yet (red)”
↓
“Done (green)”
2F
ro nt R H
3R ea r R H
4R ear L H
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ID REGISTRATION PROCEDUREWT-23
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6. Hold the Signal Tech II against the side of the left front tire, near the valve stem.
7. With the tool held at a 0 to 15 degree angle to the tire, select
“Activate Sensor” from the main menu, then press and release
the “OK” button to activate the s ensor. Once the sensor is acti-
vated, the vehicle parking lamps will flash and the sensor ID will
appear on the CONSULT screen.
8. Repeat steps 6 and 7 for the remaining tires in this order: right front, right rear and left rear.
9. When ID registration is complete, check the following pattern at each wheel.
10. Once all sensors have been activated, select “End” on the CONSULT to finish ID registration.
11. Test drive the vehicle to ensure that the TPMS lamp is OFF and no warning messages are present.
Without CONSULT
1. Adjust the tire pressure for all tires to the recommended value. Refer to WT-54, "Tire Air Pressure".
2. Turn on the Signal Tech II tool [- (J-50190) ] and select “TPMS Check” from the main menu.
3. Select vehicle model and year.
4. When prompted, hold the Signal Te ch II against the side of the
left front tire, near the valve stem.
5. With the tool held at a 0 to 15 degree angle to the tire, press and release the “OK” button to activate the sensor. Once the sensor
is activated, the tool will sound a tone and the tire pressure will
be displayed.
6. Repeat steps 4 and 5 for the remaining tires in this order: right front, right rear and left rear.
7. When prompted, connect the tool to the data link connector. The tool will connect to the BCM, read the VIN, read sensor IDs and
check for TPMS DTCs. Along wit h DTCs detected, one of the
following will be displayed next to each wheel:
- N/A - Not applicable because no ID found by the tool
- OK - Wheel and sensor ar e in original position
- NEW - New ID found compared to BCM
- RT - Wheel has been rotated
- Low Press - Low tire pressure
8. If no DTC is present or the repair has been complet ed, press the “OK” button to register the IDs and clear
DTCs.
9. Test drive the vehicle to ensure that the TPMS lamp is OFF and no warning messages are present.
10. Print a Signal Tech II Audit Report for your records. Refer to the Signal Tech II User Guide for instructions.
TPMS REGISTRATION WITH CONSULT ONLY
With CONSULT
1. Adjust the tire pressure for all wheels to match the list below.
ALEIA0177ZZ
Sequence ID registration position Turn signal lamp CONSULT
1 Front LH
2 blinks“Yet (red)”
↓
“Done (green)”
2F
ro nt R H
3 Rear RH
4 Rear LH
ALEIA0177ZZ
Tire position
Tire pressure kPa (kg/cm2, psi)
Front LH 240 (2.4, 35)
Front RH 220 (2.2, 32)
Rear RH 200 (2.0, 29)
Rear LH 180 (1.8, 26)
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WT-24
< BASIC INSPECTION >
ID REGISTRATION PROCEDURE
2. Turn the ignition switch ON.
3. Using CONSULT, select “WORK SUPPORT” in “AIR PRESSURE MONITOR” of “BCM”. Then, select “ID
REGIST.”
4. Select “Start” on “ID REGIST” screen.
5. Drive the vehicle at a speed greater than 40 km/h (25 MPH) for 3 minutes or more.
6. After ID registration for all wheels is complete, press “End” on the CONSULT to finish ID registration.
7. Adjust the tire pressures for all tires to the recommended value. Refer to WT-54, "
Tire Air Pressure".
8. Test drive the vehicle to ensure that the TPMS lamp is OFF and no warning messages are present.
ID registration position CONSULT
Front LH “Yet (red)”↓
“Done (green)”
Front RH
Rear RHRear LH
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