Nissan Versa Sedan. Instruction — part 718
SEC-144
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
VEHICLE SECURITY INDICATOR
VEHICLE SECURITY INDICATOR
Description
INFOID:0000000009268501
• 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:0000000009268502
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-144, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000009268503
Regarding Wiring Diagram information, refer to
1.
SECURITY INDICATOR LAMP ACTIVE TEST
With CONSULT
Check "THEFT IND” in "ACTIVE TEST" of IMMU mode with CONSULT.
Without CONSULT
1. Disconnect BCM.
2. Check voltage between BCM harness connector M18 terminal 23 and ground.
Is the inspection result normal?
YES
>> Security indicator lamp is OK.
NO
>> GO TO 2
2.
SECURITY INDICATOR LAMP CHECK
Check security indicator lamp condition.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Replace combination meter. Refer to
MWI-104, "Removal and Installation"
(type B) or
(type A).
3.
CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect BCM and security indicator lamp connector.
3. Check continuity between BCM connector M18 terminal 23 and combination meter type B connector M82
terminal 18 or type A connector M24 terminal 31.
Test item
Description
THEFT IND
ON
Vehicle security indicator
ON
OFF
OFF
Connector
Terminals
Condition
Voltage (V)
(Approx.)
(+)
(-)
M18
23
Ground
ON
0
OFF
Battery voltage
VEHICLE SECURITY INDICATOR
SEC-145
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
C
D
E
F
G
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L
M
A
B
SEC
N
O
P
4. Check continuity between BCM connector M18 terminal 23 and ground.
Is the inspection result normal?
YES
>> Check the following:
• 10A fuse [No. 8, located in fuse block (J/B)]
• Harness for open or short between security indicator lamp and fuse
NO
>> Repair or replace harness.
Type B: 23 - 18
: Continuity should exist.
Type A: 23 - 31
: Continuity should exist.
23 - Ground
: Continuity should not exist.
SEC-146
< SYMPTOM DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS SYMPTOMS
SYMPTOM DIAGNOSIS
NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS SYMPTOMS
Symptom Table
INFOID:0000000009268504
NOTE:
• Before performing the diagnosis in the following table, check “
• Check that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis, and
check each symptom.
• If the following symptoms are detected, check systems shown in the “Diagnosis/service procedure” column
in this order.
CONDITIONS OF VEHICLE (OPERATING CONDITIONS)
• Mechanical key is not inserted into key cylinder.
• Ignition knob switch is not depressed.
Symptom
Diagnosis/service procedure
Reference page
Security indicator does not turn ON or flash.
1. Check vehicle security indicator
2. Check Intermittent Incident
NATS ANTENNA AMP.
SEC-147
< REMOVAL AND INSTALLATION >
[WITHOUT INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
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L
M
A
B
SEC
N
O
P
REMOVAL AND INSTALLATION
NATS ANTENNA AMP.
Removal and Installation
INFOID:0000000009268505
NOTE:
• If NATS antenna amp. is not installed correctly, NVIS (NATS) system will not operate properly and "SELF-
DIAG RESULTS" on CONSULT screen will show "LOCK MODE" or "CHAIN OF IMMU-KEY".
• Initialization is not necessary when only the NATS antenna amp. is replaced with a new one.
REMOVAL
1. Disconnect the battery negative terminal. Refer to
PG-63, "Removal and Installation"
2. Remove the instrument lower panel LH. Refer to
IP-20, "Removal and Installation"
.
3. Remove the NATS antenna amp bolt (A).
4. Disconnect the harness connector (1) from the NATS antenna
amp. (2) and remove.
INSTALLATION
Installation is in the reverse order of removal.
AWKIA1481ZZ
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