Nissan Murano. Manual — part 1248
POWER SUPPLY AND GROUND CIRCUIT
SEC-89
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
POWER SUPPLY AND GROUND CIRCUIT
BCM
BCM : Diagnosis Procedure
INFOID:0000000009722819
1.
CHECK FUSE AND FUSIBLE LINK
Check that the following fuse and fusible link are not blown.
Is the fuse fusing?
YES
>> Replace the blown fuse or fusible link after repairing the affected circuit if a fuse or fusible link is
blown.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM connectors.
3.
Check voltage between BCM harness connector and ground.
Is the measurement value normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
Does continuity exist?
YES
>> INSPECTION END
NO
>> Repair harness or connector.
IPDM E/R
IPDM E/R : Diagnosis Procedure
INFOID:0000000009722820
1.
CHECK FUSES AND FUSIBLE LINK
Check that the following IPDM E/R fuses or fusible links are not blown.
Signal name
Fuse and fusible link No.
Battery power supply
L
10
Terminals
Voltage
(Approx.)
(+)
(
−
)
BCM
Ground
Connector
Terminal
M118
1
Battery voltage
M119
11
BCM
Ground
Continuity
Connector
Terminal
M119
13
Existed
Signal name
Fuses and fusible link No.
Battery power supply
E
50
51
SEC-90
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
POWER SUPPLY AND GROUND CIRCUIT
Is the fuse fusing?
YES
>> Replace the blown fuse or fusible link after repairing the affected circuit if a fuse or fusible link is
blown.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY CIRCUIT
1.
Turn the ignition switch OFF.
2.
Disconnect IPDM E/R connector.
3.
Check voltage between IPDM E/R harness connector and the ground.
Is the measurement value normal?
YES
>> GO TO 3.
NO
>> Repair the harness or connector.
3.
CHECK GROUND CIRCUIT
Check continuity between IPDM E/R harness connectors and the ground.
Does continuity exist?
YES
>> INSPECTION END
NO
>> Repair the harness or connector.
Terminals
Voltage
(Approx.)
(+)
(
−
)
IPDM E/R
Connector
Terminal
Ground
E9
1
Battery voltage
IPDM E/R
Ground
Continuity
Connector
Terminal
E10
12
Existed
E11
41
SECURITY INDICATOR LAMP
SEC-91
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
SECURITY INDICATOR LAMP
Description
INFOID:0000000009722821
• Security indicator lamp is located on instrument panel assembly.
• NVIS (Nissan Vehicle Immobilizer System-NATS) and vehicle security system conditions are indicated by
blink or illumination of security indicator lamp.
Component Function Check
INFOID:0000000009722822
1.
CHECK FUNCTION
1.
Perform “THEFT IND” in the “ACTIVE TEST” mode with CONSULT.
2.
Check security indicator lamp operation.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Go to
Diagnosis Procedure
INFOID:0000000009722823
1.
CHECK SECURITY INDICATOR LAMP POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect security indicator lamp connector.
3.
Check voltage between security indicator lamp harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO-1
>> Check 10A fuse [No. 9, located in the fuse block (J/B)].
NO-2
>> Check harness for open or short between security indicator lamp and fuse.
2.
CHECK SECURITY INDICATOR LAMP SIGNAL
1.
Connect security indicator lamp connector.
2.
Disconnect BCM connector.
3.
Check voltage between BCM harness connector and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-98, "Removal and Installation"
NO
>> GO TO 3.
3.
CHECK SECURITY INDICATOR LAMP SIGNAL CIRCUIT
1.
Disconnect security indicator lamp connector.
2.
Check continuity between security indicator lamp harness connector and BCM harness connector.
Test item
Description
THEFT IND
ON
Security indicator lamp
Illuminate
OFF
Not illuminate
(+)
(–)
Voltage (V)
(Approx.)
Security indicator lamp
Connector
Terminal
M100
1
Ground
Battery voltage
(+)
(–)
Voltage (V)
(Approx.)
BCM
Connector
Terminal
M123
141
Ground
Battery voltage
SEC-92
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
SECURITY INDICATOR LAMP
3.
Check continuity between security indicator lamp harness connector and ground.
Is the inspection result normal?
YES
>> Replace security indicator lamp. Refer to
SEC-192, "Removal and Installation"
NO
>> Repair or replace harness.
Security indicator lamp
BCM
Continuity
Connector
Terminal
Connector
Terminal
M100
2
M123
141
Existed
Security indicator lamp
Ground
Continuity
Connector
Terminal
M100
2
Not existed
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