Nissan Qashqai J11. Manual — part 2050
WCS-48
< DTC/CIRCUIT DIAGNOSIS >
KEY SWITCH SIGNAL CIRCUIT (WITHOUT INTELLIGENT KEY)
KEY SWITCH SIGNAL CIRCUIT (WITHOUT INTELLIGENT KEY)
Description
INFOID:0000000010438790
Transmits a key switch signal to the BCM.
Component Function Check
INFOID:0000000010438791
1.
CHECK BCM INPUT SIGNAL
Select "Data Monitor" for "BCM" and check the "KEY ON SW" monitor value.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Refer to
Diagnosis Procedure
INFOID:0000000010438792
Regarding Wiring Diagram information, refer to
.
1.
CHECK BCM INPUT SIGNAL
Check voltage between BCM harness connector M19 terminal 81 and ground.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> GO TO 2.
2.
CHECK KEY SWITCH CIRCUIT
1.
Disconnect BCM connector M69 and key switch.
2.
Check continuity between BCM harness connector M69 terminal 81 and key switch harness connector
M105 terminal 1.
3.
Check continuity between BCM harness connector M69 terminal 81 and ground.
Is the inspection result normal?
YES
>> GO TO 3.
Monitor Item
Condition
Status
KEY ON SW
When key is removed from key cylinder
OFF
When key is inserted into key cylinder
ON
Terminals
Condition
Voltage
(Approx.)
(+)
(
−
)
BCM
connector
Terminal
M69
81
Ground
Key is inserted
Battery voltage
Key is removed
0V
BCM
Key switch
Continuity
Connector
Terminal
Connector
Terminal
M69
81
M47
1
Yes
BCM
Ground
Continuity
Connector
Terminal
M69
81
No
WCS
KEY SWITCH SIGNAL CIRCUIT (WITHOUT INTELLIGENT KEY)
WCS-49
< DTC/CIRCUIT DIAGNOSIS >
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KEY SWITCH SIGNAL CIRCUIT (WITHOUT INTELLIGENT KEY)
Description
INFOID:0000000010438790
Transmits a key switch signal to the BCM.
Component Function Check
INFOID:0000000010438791
1.
CHECK BCM INPUT SIGNAL
Select "Data Monitor" for "BCM" and check the "KEY ON SW" monitor value.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Refer to
Diagnosis Procedure
INFOID:0000000010438792
Regarding Wiring Diagram information, refer to
.
1.
CHECK BCM INPUT SIGNAL
Check voltage between BCM harness connector M19 terminal 81 and ground.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> GO TO 2.
2.
CHECK KEY SWITCH CIRCUIT
1.
Disconnect BCM connector M69 and key switch.
2.
Check continuity between BCM harness connector M69 terminal 81 and key switch harness connector
M105 terminal 1.
3.
Check continuity between BCM harness connector M69 terminal 81 and ground.
Is the inspection result normal?
YES
>> GO TO 3.
Monitor Item
Condition
Status
KEY ON SW
When key is removed from key cylinder
OFF
When key is inserted into key cylinder
ON
Terminals
Condition
Voltage
(Approx.)
(+)
(
−
)
BCM
connector
Terminal
M69
81
Ground
Key is inserted
Battery voltage
Key is removed
0V
BCM
Key switch
Continuity
Connector
Terminal
Connector
Terminal
M69
81
M47
1
Yes
BCM
Ground
Continuity
Connector
Terminal
M69
81
No
WCS-50
< DTC/CIRCUIT DIAGNOSIS >
KEY SWITCH SIGNAL CIRCUIT (WITHOUT INTELLIGENT KEY)
NO
>> Repair or replace harness or connector.
3.
CHECK KEY SWITCH POWER SUPPLY CIRCUIT
Check voltage between key switch harness connector M47 terminal 1 and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness or connector.
4.
CHECK KEY SWITCH GROUND CIRCUIT
Check continuity between key switch harness connector M47 terminal 2 and ground.
Is the inspection result normal?
YES
>> Replace key switch.
NO
>> Repair or replace harness or connector.
Component Inspection
INFOID:0000000010438793
1.
CHECK KEY SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect key switch.
3.
Check continuity between key switch terminals 1 and 2.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace key switch.
Terminals
Voltage
(Approx.)
(+)
(–)
Key switch
Terminal
M47
1
Ground
Battery voltage
Key switch
Ground
Continuity
Connector
Terminal
M47
2
Yes
Terminal
Condition
Continuity
1
2
When key is removed from key cylinder
No
When key is inserted into key cylinder
Yes
WCS
THE PARKING BRAKE RELEASE WARNING CONTINUES SOUNDING, OR
DOES NOT SOUND
WCS-51
< SYMPTOM DIAGNOSIS >
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THE PARKING BRAKE RELEASE WARNING CONTINUES SOUNDING, OR
DOES NOT SOUND
Description
INFOID:0000000010438795
• 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:0000000010438796
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 the combination meter. Refer to
MWI-80, "Removal and Installation"
.
NO
>> GO TO 2.
2.
CHECK PARKING BRAKE SWITCH SIGNAL CIRCUIT
Check the parking brake switch signal circuit. Refer to
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness or connector.
3.
CHECK PARKING BRAKE SWITCH UNIT
Check the parking brake switch. Refer to
Is the inspection result normal?
YES
>> Replace the combination meter. Refer to
MWI-80, "Removal and Installation"
.
NO
>> Replace the parking brake switch. Refer to
PB-146, "Removal and Installation"
.
Condition
Warning lamp status
Parking brake applied
ON
Parking brake released
OFF
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