Nissan Tiida C11. Manual — part 1436
WCS-26
< COMPONENT DIAGNOSIS >
KEY SWITCH SIGNAL CIRCUIT (WITH INTELLIGENT KEY)
KEY SWITCH SIGNAL CIRCUIT (WITH INTELLIGENT KEY)
Description
INFOID:0000000001722936
Transmits a key switch signal to the BCM.
Component Function Check
INFOID:0000000001722937
1.
CHECK BCM INPUT SIGNAL
Select “DATA MONITOR” for “BCM” and check the “KEY IN SW” monitor value.
>> Inspection End.
Diagnosis Procedure
INFOID:0000000001722938
1.
CHECK FUSE
Check if the key switch and ignition knob switch 10A fuse (No. 31, located in the fuse and relay box) is blown.
Is the fuse blown?
YES
>> Be sure to repair the cause of malfunction before installing new fuse.
NO
>> GO TO 2
2.
CHECK BCM INPUT SIGNAL
Check voltage between BCM harness connector and ground.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> GO TO 3
3.
CHECK KEY SWITCH CIRCUIT
1.
Disconnect BCM and key switch and ignition knob switch con-
nectors.
2.
Check continuity between BCM harness connector M18 (A) and
key switch and ignition knob switch harness connector M32 (B).
3.
Check continuity between BCM harness connector M18 (A) and
ground.
KEY IN SW
When key is inserted into key cylinder
: ON
When key is removed from key cylinder
: OFF
Terminals
Condition
Voltage
(Approx.)
(+)
(
−
)
BCM
connector
Terminal
M18
3
Ground
Key is inserted
Battery voltage
Key is removed
0
AWNIA0269ZZ
A
B
Continuity
Connector
Terminal
Connector
Terminal
M18
3
M32
1
Yes
A
Ground
Continuity
Connector
Terminal
M18
3
No
AWNIA0270ZZ
WCS
KEY SWITCH SIGNAL CIRCUIT (WITH INTELLIGENT KEY)
WCS-27
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
Is the inspection result normal?
YES
>> GO TO 4
NO
>> Repair harness or connector.
4.
CHECK KEY SWITCH POWER SUPPLY CIRCUIT
Check voltage between key switch and ignition knob switch harness
connector and ground.
Is the inspection result normal?
YES
>> Replace key switch and ignition knob switch.
NO
>> Repair harness or connector.
Component Inspection
INFOID:0000000001722939
1.
CHECK KEY SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect key switch and ignition knob switch connector.
3.
Check continuity between key switch and ignition knob switch
terminals 1 and 2.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace key switch and ignition knob switch.
Terminals
Voltage
(Approx.)
(+)
(
−
)
Key switch and ignition
knob switch connector
Terminal
M32
2
Ground
Battery voltage
AWNIA0271ZZ
1 – 2
When key is inserted
into key cylinder
: Continuity should exist.
When key is removed
from key cylinder
: Continuity should not exist.
AWNIA0272ZZ
WCS-28
< COMPONENT DIAGNOSIS >
KEY SWITCH SIGNAL CIRCUIT (WITHOUT INTELLIGENT KEY)
KEY SWITCH SIGNAL CIRCUIT (WITHOUT INTELLIGENT KEY)
Description
INFOID:0000000001722940
Transmits a key switch signal to the BCM.
Component Function Check
INFOID:0000000001722941
1.
CHECK BCM INPUT SIGNAL
Select “DATA MONITOR” for “BCM” and check the “KEY IN SW” monitor value.
>> Inspection End.
Diagnosis Procedure
INFOID:0000000001722942
1.
CHECK FUSE
Check if the key switch and key lock solenoid 10A fuse [No. 14, located in the fuse block (J/B)] is blown.
Is the fuse blown?
YES
>> Be sure to repair the cause of malfunction before installing new fuse.
NO
>> GO TO 2
2.
CHECK BCM INPUT SIGNAL
Check voltage between BCM harness connector and ground.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> GO TO 3
3.
CHECK KEY SWITCH CIRCUIT
1.
Disconnect BCM and key switch and key lock solenoid connec-
tors.
2.
Check continuity between BCM harness connector M18 (A) and
key switch and key lock solenoid harness connector M27 (B).
3.
Check continuity between BCM harness connector M18 (A) and
ground.
KEY IN SW
When key is inserted into key cylinder
: ON
When key is removed from key cylinder
: OFF
Terminals
Condition
Voltage
(Approx.)
(+)
(
−
)
BCM
connector
Terminal
M18
3
Ground
Key is inserted
Battery voltage
Key is removed
0
AWNIA0269ZZ
A
B
Continuity
Connector
Terminal
Connector
Terminal
M18
3
M27
1
Yes
A
Ground
Continuity
Connector
Terminal
M18
3
No
AWNIA0270ZZ
WCS
KEY SWITCH SIGNAL CIRCUIT (WITHOUT INTELLIGENT KEY)
WCS-29
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
Is the inspection result normal?
YES
>> GO TO 4
NO
>> Repair harness or connector.
4.
CHECK KEY SWITCH POWER SUPPLY CIRCUIT
Check voltage between key switch and key lock solenoid harness
connector and ground.
Is the inspection result normal?
YES
>> Replace key switch and key lock solenoid.
NO
>> Repair harness or connector.
Component Inspection
INFOID:0000000001722943
1.
CHECK KEY SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect key switch and key lock solenoid connector.
3.
Check continuity between key switch and key lock solenoid ter-
minals 1 and 2.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace key switch and key lock solenoid.
Terminals
Voltage
(Approx.)
(+)
(
−
)
Key switch and key lock
solenoid
Terminal
M27
2
Ground
Battery voltage
AWNIA0271ZZ
1 – 2
When key is inserted
into key cylinder
: Continuity should exist.
When key is removed
from key cylinder
: Continuity should not exist.
AWNIA0272ZZ
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