Nissan Murano Z51. Instruction — part 1496
WCS
SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT
WCS-25
< DTC/CIRCUIT DIAGNOSIS >
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SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT
Description
INFOID:0000000005524993
Transmits a seat belt buckle switch signal (driver side) to the combination meter.
Component Function Check
INFOID:0000000005524994
1.
CHECK COMBINATION METER INPUT SIGNAL
Select the “Data Monitor” for the “METER/M&A” and check the “BUCKLE SW” monitor value.
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000005524995
1.
CHECK COMBINATION METER INPUT SIGNAL
1.
Turn ignition switch ON.
2.
Check voltage between combination meter harness connector terminal and ground.
Is the inspection result normal?
YES
>> Replace combination meter
NO
>> GO TO 2.
2.
CHECK SEAT BELT BUCKLE SWITCH CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect combination meter connector and seat belt buckle switch (driver side) connector.
3.
Check continuity between combination meter harness connector terminal and seat belt buckle switch
(driver side) harness connector terminal.
• *1 : Without automatic drive positioner
• *2 : With automatic drive positioner
4.
Check harness continuity between combination meter harness connector terminal and ground.
BUCKLE SW
When seat belt is fastened
: Off
When seat belt is unfastened
: On
Terminals
Condition
Voltage
(Approx.)
(+)
(-)
Combination meter
Ground
Connector
Terminal
M34
35
When seat belt is fastened
12 V
When seat belt is unfastened
0 V
Terminals
Continuity
(+)
(-)
Combination meter
Seat belt buckle switch(driver side)
Connector
Terminal
Connector
Terminal
M34
35
B409
*1
15
*1
Exist
B449
*2
40
*2
WCS-26
< DTC/CIRCUIT DIAGNOSIS >
SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK SEAT BELT BUCKLE SWITCH GROUND CIRCUIT
Check harness continuity between seat belt buckle switch (driver side) harness connector terminal and
ground.
• *1 : Without automatic drive positioner
• *2 : With automatic drive positioner
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair harness or connector.
Component Inspection
INFOID:0000000005524996
1.
CHECK SEAT BELT BUCKLE SWITCH (DRIVER SIDE)
1.
Turn ignition switch OFF.
2.
Disconnect the seat belt buckle switch (driver side) connector.
3.
Check continuity between terminals.
*1: Without automatic drive positioner
*2: With automatic drive positioner
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace the seat belt buckle. Refer to
SB-9, "SEAT BELT BUCKLE : Removal and Installation"
Terminals
Continuity
(+)
(-)
Combination meter
Ground
Connector
Terminal
M34
35
Not existed
Terminals
Continuity
(+)
(-)
Combination meter
Ground
Connector
Terminal
B409
*1
16
*1
Exist
B449
*2
41
*2
Terminals
Condition
Continuity
(+)
(-)
Seat belt buckle switch (driver side)
Connector
Terminal
Connector
Terminal
B409
*1
15
*1
B409
*1
16
*1
When seat belt is fastened
Not existed
B449
*2
40
*2
B449
*2
41
*2
B409
*1
15*1
B409
*1
16*1
When seat belt is unfastened
Exist
B449
*2
40
*2
B449
*2
41
*2
WCS
WARNING CHIME SYSTEM
WCS-27
< DTC/CIRCUIT DIAGNOSIS >
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WARNING CHIME SYSTEM
Wiring Diagram - WARNING CHIME -
INFOID:0000000005524997
JCNWM1828GB
WCS-28
< DTC/CIRCUIT DIAGNOSIS >
WARNING CHIME SYSTEM
JCNWM3151GB
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