Nissan Qashqai J11. Manual — part 1493
POWER SUPPLY AND GROUND CIRCUIT
SEC-271
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
POWER SUPPLY AND GROUND CIRCUIT
SIREN CONTROL UNIT
SIREN CONTROL UNIT : Diagnosis Procedure
INFOID:0000000010479798
1.
CHECK FUSE
Check that the following fuse is not blown.
Is the fuse fusing?
YES
>> Replace the blown fuse after repairing the affected circuit if a fuse is blown.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect siren control unit connector.
3.
Check voltage between siren control unit harness connector and the ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness.
3.
CHECK GROUND CIRCUIT
Check continuity between siren control unit harness connectors and the ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair or replace harness.
Signal name
Fuse
Battery power supply
20 (5 A)
(+)
(
−
)
Voltage
(Approx.)
Siren control unit
Connector
Terminal
Ground
B27
2
Battery voltage
Siren control unit
Ground
Continuity
Connector
Terminal
B27
5
Existed
SEC-272
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
SECURITY INDICATOR LAMP
SECURITY INDICATOR LAMP
Component Function Check
INFOID:0000000010827161
1.
CHECK FUNCTION
1.
Perform “THEFT IND” in “ACTIVE TEST” mode of “IMMU” of “BCM” using CONSULT.
2.
Check security indicator lamp operation.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Refer to
SEC-169, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000010479799
1.
CHECK FUSE
1.
Turn power switch OFF.
2.
Check that the following fuse in the fuse block (J/B) is not blown.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace the blown fuse after repairing the cause of blowing.
2.
CHECK SECURITY INDICATOR LAMP POWER SUPPLY CIRCUIT
1.
Disconnect combination meter connector.
2.
Check voltage between combination meter harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness.
3.
CHECK SECURITY INDICATOR LAMP SIGNAL
1.
Connect combination meter connector.
2.
Disconnect BCM connector.
3.
Check voltage between BCM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 5.
4.
REPLACE BCM
Test item
Description
THEFT IND
ON
Security indicator lamp
Illuminates
OFF
Does not illuminate
Signal name
Fuse No.
Battery power supply
21 (10 A)
(+)
(–)
Voltage (V)
(Approx.)
Combination meter
Connector
Terminal
M52
45
Ground
Battery voltage
(+)
(–)
Voltage
BCM
Connector
Terminal
M70
75
Ground
9 - 16 V
SECURITY INDICATOR LAMP
SEC-273
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
BCS-135, "Removal and Installation"
.
>> INSPECTION END
5.
CHECK SECURITY INDICATOR LAMP CIRCUIT
1.
Disconnect combination meter connector.
2.
Check continuity between combination meter harness connector and BCM harness connector.
3.
Check continuity between combination meter harness connector and ground.
Is the inspection result normal?
YES
>> Replace combination meter. Refer to
MWI-86, "Removal and Installation"
NO
>> Repair or replace harness.
Combination meter
BCM
Continuity
Connector
Terminal
Connector
Terminal
M51
7
M70
75
Existed
Combination meter
Ground
Continuity
Connector
Terminal
M51
7
Not existed
SEC-274
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
HOOD SWITCH
HOOD SWITCH
Component Function Check
INFOID:0000000010479778
1.
CHECK FUNCTION
1.
Select “HOOD SW” in “Data Monitor” mode of “IPDM E/R” using CONSULT.
2.
Check “HOOD SW” indication under the following condition.
Is the indication normal?
YES
>> Hood switch is OK.
NO
>> Refer to
SEC-274, "Diagnosis Procedure"
.
Diagnosis Procedure
INFOID:0000000010479779
1.
CHECK HOOD SWITCH SIGNAL CIRCUIT 1
1.
Turn ignition switch OFF.
2.
Disconnect hood switch connector.
3.
Check voltage between hood switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK HOOD SWITCH SIGNAL CIRCUIT 2
1.
Disconnect IPDM E/R connector.
2.
Check continuity between IPDM E/R harness connector and hood switch harness connector.
3.
Check continuity between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES
>> Replace IPDM E/R. Refer to
PCS-68, "Removal and Installation"
NO
>> Repair or replace harness.
3.
CHECK HOOD SWITCH GROUND CIRCUIT
Check continuity between hood switch harness connector and ground.
Monitor item
Condition
Indication
HOOD SW
Hood
Open
ON
Close
OFF
(+)
(–)
Voltage
Hood switch
Connector
Terminal
E100
2
Ground
9 - 16 V
IPDM E/R
Hood switch
Continuity
Connector
Terminal
Connector
Terminal
E102
60
E100
1
Existed
IPDM E/R
Ground
Continuity
Connector
Terminal
E102
60
Not existed
Hood switch
Ground
Continuity
Connector
Terminal
E100
2
Existed
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