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WCS-28
< DTC/CIRCUIT DIAGNOSIS >
SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT
SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT
DescriptionINFOID:0000000009462899
Transmits a seat belt buckle switch LH (driver seat) signal to the combination meter.
Component Function CheckINFOID:0000000009462900
1. CHECK COMBINATION METER INPUT SIGNAL
Select DATA MONITOR for METER/M&A and check the BUCKLE SW monitor value.
YES >> Inspection End.
NO >> Refer to WCS-28, "Diagnosis Procedure"
.
Diagnosis ProcedureINFOID:0000000009462901
Regarding Wiring Diagram information, refer to WCS-16, "Wiring Diagram".
1.CHECK COMBINATION METER INPUT SIGNAL
1. Turn ignition switch ON.
2. Check voltage between combination meter harness connector M24 terminal 9 and ground.
Is the inspection result normal?
YES >> Replace combination meter. Refer to MWI-82, "Removal and Installation".
NO >> GO TO 2.
2.CHECK SEAT BELT BUCKLE SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect combination meter harness connector M24 and seat belt buckle switch LH (driver seat) har-
ness connector B202.
3. Check continuity between combination meter harness connector M24 terminal 9 and seat belt buckle switch LH (driver seat) harness connector B202 terminal 1.
4. Check continuity between combination mete r harness connector M24 terminal 9 and ground.
Is the inspection result normal?
YES >> GO TO 3. BUCKLE SW
When seat belt LH (driver seat) is fastened : OFF
When seat belt LH (driver seat) is unfastened : ON
Combination meter
ConditionVo l ta g e
(Approx.)
Connector Te r m i n a l s
(+) (-)
M24 9 Ground When driver seat belt is fastened 12 V
When driver seat belt is unfastened 0 V
Combination meter Seat belt buckle switch LH (driver seat) Continuity
Connector Terminal Connector Terminal
M24 9 B202 1 Yes
Combination meter GroundContinuity
Connector Terminal
M24 9 No
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Page 4676 of 4801

WT-1
SUSPENSION
C
D
F
G H
I
J
K L
M
SECTION WT
A
B
WT
N
O PCONTENTS
ROAD WHEELS & TIRES
PRECAUTION ................ ...............................3
PRECAUTIONS .............................................. .....3
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ......
3
Service Notice and Precautions for TPMS ................3
Precaution for Road Wheel .......................................4
PREPARATION ............................................5
PREPARATION .............................................. .....5
Special Service Tool ........................................... ......5
Commercial Service Tool ..........................................5
SYSTEM DESCRIPTION ..............................6
COMPONENT PARTS ................................... .....6
Component Parts Location .................................. ......6
Component Description .............................................6
BCM ..........................................................................6
Transmitter ................................................................7
Remote Keyless Entry Receiver ...............................7
Outside Key Antennas ..............................................7
Combination Meter ....................................................7
SYSTEM ..............................................................8
System Diagram .................................................. ......8
System Description ...................................................9
Easy Fill Tire Alert Function ......................................9
DIAGNOSIS SYSTEM (BCM) ............................10
COMMON ITEM ..................................................... ....10
COMMON ITEM : CONSULT Function (BCM -
COMMON ITEM) ................................................. ....
10
AIR PRESSURE MONITOR ......................................11
AIR PRESSURE MONITOR : CONSULT Function
(BCM-AIR PRESSURE MO NITOR) ........................
11
ECU DIAGNOSIS INFORMATION ........... ...13
BCM ...................................................................13
List of ECU Reference ......................................... ....13
WIRING DIAGRAM ......................................14
TIRE PRESSURE MONITORING SYSTEM ......14
Wiring Diagram - With Individual Tire Pressure
Display ................................................................. ....
14
Wiring Diagram - Without Individual Tire Pressure
Display ................................................................. ....
20
BASIC INSPECTION ...................................24
DIAGNOSIS AND REPAIR WORK FLOW .......24
Work Flow ............................................................ ....24
ID REGISTRATION PROCEDURE ...................25
Description ...............................................................25
Work Procedure .......................................................25
DTC/CIRCUIT DIAGNOSIS .........................28
C1704, C1705, C1706, C1707 LOW TIRE
PRESSURE .......................................................
28
DTC Logic ............................................................ ....28
Diagnosis Procedure ...............................................28
C1708, C1709, C1710, C1711 TRANSMITTER
(NO DATA) ........................................................
30
DTC Logic ............................................................ ....30
Diagnosis Procedure ...............................................30
C1712, C1713, C1714, C1715 TRANSMITTER
(CHECKSUM) ....................................................
33
DTC Logic ............................................................ ....33
Diagnosis Procedure ...............................................33
C1716, C1717, C1718, C1719 TRANSMITTER
(PRESSURE DATA) ..........................................
35
DTC Logic ............................................................ ....35
Diagnosis Procedure ...............................................35
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM
Page 4689 of 4801
WT-14
< WIRING DIAGRAM >
TIRE PRESSURE MONITORING SYSTEM
WIRING DIAGRAM
TIRE PRESSURE MONITORING SYSTEM
Wiring Diagram - With Individual Tire Pressure DisplayINFOID:0000000009464489
ABEWA0100GB
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM
Page 4690 of 4801
TIRE PRESSURE MONITORING SYSTEMWT-15
< WIRING DIAGRAM >
C
D
F
G H
I
J
K L
M A
B
WT
N
O P
ABEIA0147GB
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Page 4691 of 4801
WT-16
< WIRING DIAGRAM >
TIRE PRESSURE MONITORING SYSTEM
ABEIA0229GB
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM
Page 4692 of 4801
TIRE PRESSURE MONITORING SYSTEMWT-17
< WIRING DIAGRAM >
C
D
F
G H
I
J
K L
M A
B
WT
N
O P
ABEIA0224GB
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WT-18
< WIRING DIAGRAM >
TIRE PRESSURE MONITORING SYSTEM
ABEIA0150GB
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Page 4694 of 4801
TIRE PRESSURE MONITORING SYSTEMWT-19
< WIRING DIAGRAM >
C
D
F
G H
I
J
K L
M A
B
WT
N
O P
ABEIA0226GB
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM