Nissan Pathfinder (2008 year). Manual — part 629
WCS-22
< COMPONENT DIAGNOSIS >
KEY SWITCH SIGNAL CIRCUIT (WITH INTELLIGENT KEY)
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:0000000001712854
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 3 and 4.
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
M66
3
Ground
Battery voltage
AWNIA0240ZZ
3 – 4
When key is inserted
into key cylinder
: Continuity should exist.
When key is removed
from key cylinder
: Continuity should not exist.
AWNIA0241ZZ
WCS
KEY SWITCH SIGNAL CIRCUIT (WITHOUT INTELLIGENT KEY)
WCS-23
< COMPONENT DIAGNOSIS >
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KEY SWITCH SIGNAL CIRCUIT (WITHOUT INTELLIGENT KEY)
Description
INFOID:0000000001712855
Transmits a key switch signal to the BCM.
Component Function Check
INFOID:0000000001712856
1.
CHECK BCM INPUT SIGNAL
Select “DATA MONITOR” for “BCM” and check the “KEY ON SW” monitor value.
>> Inspection End.
Diagnosis Procedure
INFOID:0000000001712857
1.
CHECK FUSE
Check if the key switch 10A fuse [No. 25, 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 connectors.
2.
Check continuity between BCM harness connector M18 (A) and
key switch harness connector M27 (B).
3.
Check continuity between BCM harness connector M18 (A) and
ground.
KEY ON 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
37
Ground
Key is inserted
Battery voltage
Key is removed
0
PKIC0721E
A
B
Continuity
Connector
Terminal
Connector
Terminal
M18
37
M27
1
Yes
A
Ground
Continuity
Connector
Terminal
M18
37
No
WKIA4102E
WCS-24
< COMPONENT DIAGNOSIS >
KEY SWITCH SIGNAL CIRCUIT (WITHOUT INTELLIGENT KEY)
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 harness connector and ground.
Is the inspection result normal?
YES
>> Replace key switch.
NO
>> Repair harness or connector.
Component Inspection
INFOID:0000000001712858
1.
CHECK KEY SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect key switch connector.
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
M27
3
Ground
Battery voltage
WKIA4103E
1 – 2
When key is inserted
into key cylinder
: Continuity should exist.
When key is removed
from key cylinder
: Continuity should not exist.
WKIA4101E
WCS
WARNING CHIME SYSTEM
WCS-25
< COMPONENT DIAGNOSIS >
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WARNING CHIME SYSTEM
Wiring Diagram
INFOID:0000000001712859
ALNWA0042GB
WCS-26
< COMPONENT DIAGNOSIS >
WARNING CHIME SYSTEM
ALNIA0184GB
WCS
WARNING CHIME SYSTEM
WCS-27
< COMPONENT DIAGNOSIS >
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ALNIA0185GB
WCS-28
< COMPONENT DIAGNOSIS >
WARNING CHIME SYSTEM
ALNIA0186GB
WCS
WARNING CHIME SYSTEM
WCS-29
< COMPONENT DIAGNOSIS >
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ALNIA0565GB
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