Nissan March K13. Instruction — part 668
WCS
POWER SUPPLY AND GROUND CIRCUIT
WCS-33
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
DTC/CIRCUIT DIAGNOSIS
POWER SUPPLY AND GROUND CIRCUIT
COMBINATION METER
COMBINATION METER : Diagnosis Procedure
INFOID:0000000005904800
1.
CHECK FUSE
Check for blown fuses.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Be sure to eliminate cause of malfunction before installing new fuse.
2.
CHECK POWER SUPPLY CIRCUIT
Check voltage between combination meter harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Check harness between combination meter and fuse.
3.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect combination meter connector.
3.
Check continuity between combination meter harness connector and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair harness or connector.
Power source
Fuse No.
Battery
11
Ignition switch ON or START
5
Terminals
Ignition switch po-
sition
Voltage
(Approx.)
(+)
(
−
)
Combination meter
Ground
Connector
Terminal
M34
21
OFF
Battery voltage
22
ON
Combination meter
Ground
Continuity
Connector
Terminal
M34
21
Existed
22
WCS-34
< DTC/CIRCUIT DIAGNOSIS >
METER BUZZER CIRCUIT
METER BUZZER CIRCUIT
Component Function Check
INFOID:0000000005887689
1.
CHECK OPERATION OF METER BUZZER
1.
Select “BUZZER” of “BCM” on CONSULT-III.
2.
Perform “LIGHT WARN ALM” of “Active Test”.
Does meter buzzer beep?
YES
>> INSPECTION END
NO
>> GO TO 2.
2.
CHECK COMBINATION METER INPUT SIGNAL
Select the “Data Monitor” for the “METER/M&A” and check the “BUZZER” monitor value.
Is the inspection result normal?
YES
>> Replace combination meter. Refer to
MWI-51, "Removal and Installation"
NO
>> Replace BCM. Refer to
BCS-58, "Removal and Installation"
(with Intelligent Key system) or
99, "Removal and Installation"
(without Intelligent Key system).
Diagnosis Procedure
INFOID:0000000005887690
1.
CHECK POWER SUPPLY OF COMBINATION METER
Check power supply of combination meter. Refer to
WCS-33, "COMBINATION METER : Diagnosis Proce-
.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair power supply circuit of combination meter.
BUZZER
Under the condition of buzzer input
: On
Except above
: Off
WCS
PARKING BRAKE SWITCH SIGNAL CIRCUIT
WCS-35
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
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K
L
M
B
A
O
P
PARKING BRAKE SWITCH SIGNAL CIRCUIT
Diagnosis Procedure
INFOID:0000000005887691
1.
CHECK COMBINATION METER INPUT SIGNAL
1.
Turn ignition switch ON.
2.
Check the voltage between combination meter harness connector and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> GO TO 2.
2.
CHECK PARKING BRAKE SWITCH SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect combination meter connector and parking brake switch connector.
3.
Check continuity between combination meter harness connector and parking brake switch harness con-
nector.
4.
Check continuity between combination meter harness connector and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair harness or connector.
Component Inspection
INFOID:0000000005887692
1.
CHECK PARKING BRAKE SWITCH
Check parking brake switch. Refer to
Is the inspection result normal?
YES
>> INSPECTION END.
NO
>> Replace parking brake switch. Refer to
XX-XX, "*****"
.
(+)
(
−
)
Condition
Voltage
(Approx.)
Combination meter
Ground
Connector
Terminal
M34
10
Ignition
switch ON
When parking brake is applied
0 V
When parking brake is released
12 V
Terminals
Continuity
Combination meter
Parking brake switch
Connector
Terminal
Connector
Terminal
M34
10
M11
1
Existed
Terminals
Continuity
Combination meter
Ground
Connector
Terminal
M34
10
Not existed
WCS-36
< SYMPTOM DIAGNOSIS >
THE PARKING BRAKE RELEASE WARNING CONTINUES SOUNDING, OR
DOES NOT SOUND
SYMPTOM DIAGNOSIS
THE PARKING BRAKE RELEASE WARNING CONTINUES SOUNDING, OR
DOES NOT SOUND
Description
INFOID:0000000005887693
• 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:0000000005887694
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-51, "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-35, "Component Inspection"
Is the inspection result normal?
YES
>> Replace combination meter. Refer to
MWI-51, "Removal and Installation"
NO
>> Replace parking brake switch. Refer to
.
When parking brake is applied
: ON
When parking brake is released
: OFF
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