Nissan Sentra. Manual — part 790
SEC-188
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
B2196 DONGLE UNIT
YES
>> GO TO 3.
NO
>> Repair or replace harness.
3.
CHECK DONGLE UNIT GROUND CIRCUIT
Check continuity between dongle unit harness connector and ground.
Is the inspection result normal?
YES
>> Replace dongle unit.
NO
>> Repair or replace harness.
Dongle unit
Ground
Continuity
Connector
Terminal
M39
4
Yes
POWER SUPPLY AND GROUND CIRCUIT
SEC-189
< 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
Diagnosis Procedure
INFOID:0000000010289534
Regarding Wiring Diagram information, refer to
.
1.
CHECK FUSES AND FUSIBLE LINK
Check that the following fuses and fusible link are not blown.
Is the fuse blown?
YES
>> Replace the blown fuse or fusible link after repairing the affected circuit.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connectors.
3. Check voltage between BCM connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK GROUND CIRCUIT
Check continuity between BCM connector and ground.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Repair harness or connector.
Terminal No.
Signal name
Fuses and fusible link No.
63
Battery power supply
12 (10A)
70
G (40A)
11
Ignition switch ACC or ON
18 (10A)
BCM
Ground
Ignition switch position
Connector
Terminal
OFF
ACC
ON
M20
63
Battery voltage
Battery voltage
Battery voltage
70
M21
11
—
0 V
Battery voltage
Battery voltage
BCM
Ground
Continuity
Connector
Terminal
M20
65
—
Yes
SEC-190
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
VEHICLE SECURITY INDICATOR
VEHICLE SECURITY INDICATOR
Description
INFOID:0000000009756839
• Vehicle security indicator is built in combination meter.
• NATS (Nissan Anti-Theft System) condition is indicated by blink or illumination of vehicle security indicator.
Component Function Check
INFOID:0000000009756840
1.
CHECK FUNCTION
1. Perform Active Test of THEFT IND in the IMMU mode with CONSULT.
2. Check vehicle security indicator operation.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Refer to
SEC-190, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000009756841
Regarding Wiring Diagram information, refer to
1.
CHECK SECURITY INDICATOR LAMP POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect combination meter connector.
3. Check voltage between combination meter harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO-1 >> Check 10 A fuse [No. 8, located in the fuse block (J/B)].
NO-2 >> Check harness for open or short between combination meter and fuse.
2.
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
>> Replace BCM. Refer to
BCS-126, "Removal and Installation"
.
NO
>> GO TO 3.
3.
CHECK SECURITY INDICATOR LAMP CIRCUIT
1. Disconnect combination meter connector.
Test item
Description
THEFT IND
ON
Vehicle security indicator
ON
OFF
OFF
(+)
(–)
Voltage (V)
Combination meter
Connector
Terminal
M24
27
Ground
Battery voltage
(+)
(–)
Voltage (V)
BCM
Connector
Terminal
M21
23
Ground
Battery voltage
VEHICLE SECURITY INDICATOR
SEC-191
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
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-77, "Removal and Installation"
NO
>> Repair or replace harness.
Combination meter
BCM
Continuity
Connector
Terminal
Connector
Terminal
M24
18
M21
23
Yes
Combination meter
Ground
Continuity
Connector
Terminal
M24
18
No
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