Nissan Versa Sedan. Manual — part 899
WCS-38
< DTC/CIRCUIT DIAGNOSIS >
SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT
2.
CHECK SEAT BELT BUCKLE SWITCH LH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect combination meter and seat belt buckle switch LH.
3. Check continuity between combination meter harness connector M82 terminal 9 and seat belt buckle
switch LH harness connector B13 terminal 1.
4. Check continuity between combination meter harness connector M82 terminal 9 and ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair or replace harness.
3.
CHECK SEAT BELT BUCKLE SWITCH LH GROUND CIRCUIT
Check continuity between seat belt buckle switch LH harness connector B13 terminal 2 and ground.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Repair or replace harness.
TYPE B : Component Inspection
INFOID:0000000009269306
1.
CHECK SEAT BELT BUCKLE SWITCH LH
1. Turn ignition switch OFF.
2. Disconnect the seat belt buckle switch LH.
3. Check continuity between the seat belt buckle switch LH terminals 1 and 2.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace the seat belt buckle switch LH.
9 - 1
: Continuity should exist.
9 - Ground
: Continuity should not exist.
2 - Ground
: Continuity should exist.
1– 2
When seat belt is
fastened
: Continuity should not exist.
When seat belt is
unfastened
: Continuity should exist.
WCS
KEY SWITCH SIGNAL CIRCUIT (WITHOUT INTELLIGENT KEY)
WCS-39
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
KEY SWITCH SIGNAL CIRCUIT (WITHOUT INTELLIGENT KEY)
Description
INFOID:0000000009269311
Transmits a key switch signal to the BCM.
Component Function Check
INFOID:0000000009269312
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:0000000009269313
Regarding Wiring Diagram information, refer to
.
1.
CHECK FUSE
Check if the key switch 10A fuse [No. 8, located in the fuse block (J/B)] is blown.
Is the fuse blown?
YES
>> Replace the fuse after repairing the affected circuit.
NO
>> GO TO 2
2.
CHECK BCM INPUT SIGNAL
Check voltage between BCM harness connector M18 terminal 37 and ground.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> GO TO 3
3.
CHECK KEY SWITCH CIRCUIT
1. Disconnect BCM connector M18 and key switch.
2. Check continuity between BCM harness connector M18 terminal 37 and key switch harness connector
M27 terminal 1.
3. Check continuity between BCM harness connector M18 terminal 37 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
0V
BCM
Key switch
Continuity
Connector
Terminal
Connector
Terminal
M18
37
M27
1
Yes
WCS-40
< DTC/CIRCUIT DIAGNOSIS >
KEY SWITCH SIGNAL CIRCUIT (WITHOUT INTELLIGENT KEY)
Is the inspection result normal?
YES
>> GO TO 4
NO
>> Repair or replace harness.
4.
CHECK KEY SWITCH POWER SUPPLY CIRCUIT
Check voltage between key switch harness connector M27 terminal 2 and ground.
Is the inspection result normal?
YES
>> Replace key switch.
NO
>> Repair or replace harness.
Component Inspection
INFOID:0000000009269314
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.
BCM
Ground
Continuity
Connector
Terminal
M18
37
No
Terminals
Voltage
(Approx.)
(+)
(–)
Key switch
Terminal
M27
2
Ground
Battery voltage
1 –2
When key is inserted
into key cylinder
: Continuity should exist.
When key is removed
from key cylinder
: Continuity should not exist.
WCS
PARKING BRAKE SWITCH SIGNAL CIRCUIT
WCS-41
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
PARKING BRAKE SWITCH SIGNAL CIRCUIT
TYPE A
TYPE A : Description
INFOID:0000000009269319
Transmits the parking brake switch signal to the combination meter.
TYPE A : Component Function Check
INFOID:0000000009269320
1.
COMBINATION METER INPUT SIGNAL
1. Select “METER/M&A” on CONSULT.
2. Monitor “PKB SW” of “DATA MONITOR” while applying and releasing the parking brake.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Refer to
WCS-41, "TYPE A : Diagnosis Procedure"
.
TYPE A : Diagnosis Procedure
INFOID:0000000009269321
Regarding Wiring Diagram information, refer to
.
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.
PKB SW
Parking brake depressed
: ON
Parking brake released
: OFF
(+)
(
−)
Condition
Voltage
(Approx.)
Combination meter
Ground
Connector
Terminal
M24
37
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
M24
37
M17
1
Yes
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