Infiniti QX56 (Z62). Manual — part 1363
WCS
THE SEAT BELT WARNING CONTINUES SOUNDING, OR DOES NOT SOUND
WCS-45
< SYMPTOM DIAGNOSIS >
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THE SEAT BELT WARNING CONTINUES SOUNDING, OR DOES NOT
SOUND
Description
INFOID:0000000006222694
• Seat belt warning chime does not sound.
• Seat belt warning chime sounds continuously.
Diagnosis Procedure
INFOID:0000000006222695
1.
CHECK SEAT BELT WARNING LAMP
1.
Turn ignition switch ON.
2.
Check the operation of the seat belt warning lamp in the combination meter.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> GO TO 4.
2.
CHECK BCM OUTPUT SIGNAL
Check if the seat belt warning chime is activated by performing BCM active test. Refer to
CONSULT-III Function (BCM - BUZZER)"
.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> GO TO 3.
3.
CHECK COMBINATION METER INPUT SIGNAL
Check if buzzer switches to proper condition (On/Off) on data monitor of combination meter. Refer to
.
Is the inspection result normal?
YES
>> Replace combination meter. Refer to
MWI-85, "Removal and Installation"
NO
>> Replace BCM. Refer to
BCS-81, "Removal and Installation"
4.
CHECK SEAT BELT BUCKLE SWITCH (DRIVER SIDE) CIRCUIT
Perform the check for the seat belt buckle switch (driver side) circuit. Refer to
.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair harness or connector.
5.
CHECK SEAT BELT BUCKLE SWITCH (DRIVER SIDE)
Perform a unit check for the seat belt buckle switch (driver side). Refer to
WCS-42, "Component Inspection"
Is the inspection result normal?
YES
>> Replace combination meter. Refer to
MWI-85, "Removal and Installation"
NO
>> Replace seat belt buckle (driver side). Refer to
SB-8, "SEAT BELT BUCKLE : Removal and Instal-
.
Seat belt fastened
: OFF
Seat belt not fastened
: ON
Buzzer active condition
: On
Buzzer non-active condition
: Off
WCS-46
< SYMPTOM DIAGNOSIS >
THE PARKING BRAKE RELEASE WARNING CONTINUES SOUNDING, OR
DOES NOT SOUND
THE PARKING BRAKE RELEASE WARNING CONTINUES SOUNDING, OR
DOES NOT SOUND
Description
INFOID:0000000006222534
• The parking brake warning buzzer sounds continuously during vehicle travel though the parking brake is
released.
• The parking brake warning buzzer does not sound at all even though driving the vehicle with the parking
brake applied.
Diagnosis Procedure
INFOID:0000000006222535
1.
CHECK PARKING BRAKE WARNING LAMP
1.
Start the engine.
2.
Check the operation of the brake warning lamp by operating the parking brake.
Is the inspection result normal?
YES
>> Replace combination meter. Refer to
MWI-85, "Removal and Installation"
NO
>> GO TO 2.
2.
CHECK PARKING BRAKE SWITCH SIGNAL CIRCUIT
Perform check for the parking brake switch signal circuit. Refer to
.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK PARKING BRAKE SWITCH
Perform a unit check for the parking brake switch. Refer to
WCS-43, "Component Inspection"
Is the inspection result normal?
YES
>> Replace combination meter. Refer to
MWI-85, "Removal and Installation"
NO
>> Replace parking brake switch. Refer to
.
When parking brake is applied
: ON
When parking brake is released
: OFF
WT-1
SUSPENSION
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SECTION
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CONTENTS
ROAD WHEELS & TIRES
PRECAUTION . . . . . . . . . . . ...
PRECAUTIONS . . . . . . . . . . . . ...
Precaution Necessary for Steering Wheel Rota-
tion after Battery Disconnect . . . . . . . . .....
Service Notice or Precautions for TPMS . . . . ...
Service Notice or Precautions for Road Wheel . .....
PREPARATION . . . . . . . . . . .
PREPARATION . . . . . . . . . . . . ...
Special Service Tools . . . . . . . . . . . ....
Commercial Service Tools . . . . . . . . . ....
SYSTEM DESCRIPTION . . . . . . . ..
COMPONENT PARTS . . . . . . . . . .
Component Parts Location . . . . . . . . . ....
Component Description . . . . . . . . . . .....
Low Tire Pressure Warning Control Unit . . . . ...
Transmitter . . . . . . . . . . . . . . . ....
Tire Pressure Receiver . . . . . . . . . . .....
Low Tire Pressure Warning Lamp . . . . . . .....
SYSTEM . . . . . . . . . . . . . . . ..
System Description . . . . . . . . . . . . ...
Tire Inflation Indicator Function . . . . . . . ...
DIAGNOSIS SYSTEM (LOW TIRE PRES-
SURE WARNING CONTROL UNIT) . . . . ..
CONSULT-III Function . . . . . . . . . . .
ECU DIAGNOSIS INFORMATION . . . ..
LOW TIRE PRESSURE WARNING CON-
TROL UNIT . . . . . . . . . . . . . . .
Reference Value . . . . . . . . . . . . . .
DTC Inspection Priority Chart . . . . . . . . .
DTC Index . . . . . . . . . . . . . . . ...
WIRING DIAGRAM . . . . . . . . . ..
TIRE PRESSURE MONITORING SYSTEM . ..
Wiring Diagram . . . . . . . . . . . . . .
BASIC INSPECTION . . . . . . . . ...
DIAGNOSIS AND REPAIR WORK FLOW . ...
Work Flow . . . . . . . . . . . . . . . .
Description . . . . . . . . . . . . . . . ...
Work Procedure . . . . . . . . . . . . . ...
TRANSMITTER WAKE UP OPERATION . . .
Description . . . . . . . . . . . . . . . ...
Work Procedure . . . . . . . . . . . . . ...
ID REGISTRATION . . . . . . . . . . ...
Description . . . . . . . . . . . . . . . ...
Work Procedure . . . . . . . . . . . . . ...
DTC/CIRCUIT DIAGNOSIS . . . . . . .
C1704, C1705, C1706, C1707 LOW TIRE
PRESSURE . . . . . . . . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ...
C1708, C1709, C1710, C1711 TRANSMITTER
(NO DATA) . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ...
C1716, C1717, C1718, C1719 TRANSMITTER
(PRESSURE DATA) . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ...
WT-2
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
C1729 VEHICLE SPEED SIGNAL . . . . .
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
C1750, C1751, C1752, C1753 RECEIVER . .
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
C1754 LOW TIRE PRESSURE WARNING
CONTROL UNIT . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
C1755, C1756, C1757, C1758 POOR RE-
CEIVING CONDITIONS . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
U1000 CAN COMM CIRCUIT . . . . . . .
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
U1010 CONTROL UNIT (CAN) . . . . . . .
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
POWER SUPPLY AND GROUND CIRCUIT . .
Diagnosis Procedure . . . . . . . . . . . ..
LOW TIRE PRESSURE WARNING LAMP . ...
Component Function Check . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
SYMPTOM DIAGNOSIS . . . . . . . .
TPMS SYMPTOMS . . . . . . . . . . .
Symptom Table . . . . . . . . . . . . . ..
LOW TIRE PRESSURE WARNING LAMP
DOES NOT TURN ON . . . . . . . . . ...
Description . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . ..
LOW TIRE PRESSURE WARNING LAMP
DOES NOT TURN OFF . . . . . . . . . .
Description . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . ..
LOW TIRE PRESSURE WARNING LAMP
BLINKS . . . . . . . . . . . . . . . ..
Description . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . ...
TIRE INFLATION INDICATOR DOES NOT
ACTIVATE . . . . . . . . . . . . . . .
Description . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . ...
ID REGISTRATION CANNOT BE COMPLET-
ED . . . . . . . . . . . . . . . . . ..
Description . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . ..
NOISE, VIBRATION AND HARSHNESS
(NVH) TROUBLESHOOTING . . . . . . .
NVH Troubleshooting Chart . . . . . . . . .
PERIODIC MAINTENANCE . . . . . ...
ROAD WHEEL . . . . . . . . . . . . ...
Adjustment . . . . . . . . . . . . . . . ..
Tire Rotation . . . . . . . . . . . . . . ...
REMOVAL AND INSTALLATION . . . ..
ROAD WHEEL TIRE ASSEMBLY . . . . .
Exploded View . . . . . . . . . . . . . .
Removal and Installation . . . . . . . . . . .
Inspection . . . . . . . . . . . . . . . .
LOW TIRE PRESSURE WARNING CON-
TROL UNIT . . . . . . . . . . . . . .
Exploded View . . . . . . . . . . . . . .
Removal and Installation . . . . . . . . . . .
TRANSMITTER . . . . . . . . . . . . .
Exploded View . . . . . . . . . . . . . .
Removal and Installation . . . . . . . . . . .
TIRE PRESSURE RECEIVER . . . . . . ...
Exploded View . . . . . . . . . . . . . .
FRONT TIRE PRESSURE RECEIVER . . . . . .
FRONT TIRE PRESSURE RECEIVER : Removal
and Installation . . . . . . . . . . . . . .
REAR TIRE PRESSURE RECEIVER . . . . . ...
REAR TIRE PRESSURE RECEIVER : Removal
and Installation . . . . . . . . . . . . . .
SERVICE DATA AND SPECIFICATIONS
(SDS) . . . . . . . . . . . . . . ..
SERVICE DATA AND SPECIFICATIONS
(SDS) . . . . . . . . . . . . . . . . .
Road Wheel . . . . . . . . . . . . . . .
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