Infiniti Q45. Manual - part 225

VEHICLE SECURITY (THEFT WARNING) SYSTEM

BL-169

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CONSULT-II Function

NIS000WU

CONSULT-II INSPECTION PROCEDURE

1.

Turn ignition switch “OFF”.

2.

Connect “CONSULT-II” and “CONSULT-II CONVERTER” to
data link connector.

3.

Turn ignition switch “ON”.

4.

Touch “START (NISSAN BASED VHCL)”.

5.

Touch “IVMS” on the “SELECT SYSTEM” screen.
If “IVMS” is not indicated, go to 

GI-37, "CONSULT-II Data Link

Connector (DLC) Circuit"

 .

6.

Check the model specification, touch either “WITH SUNROOF”
or “WITHOUT SUNROOF”.

7.

Touch “OK”. If the selection is wrong, touch “CANCEL”.

PBIB0196E

PBIB2276E

PIIA2796E

PIIA0184E

BL-170

VEHICLE SECURITY (THEFT WARNING) SYSTEM

8.

Touch “THEFT WARNING SYSTEM” on the “SELECT TEST
ITEM” screen.

●

WORK SUPPORT, DATA MONITOR and ACTIVE TEST are
available for the vehicle security system.

Trouble Diagnoses

NIS000WV

WORK FLOW

●

“POWER DOOR LOCK SYSTEM” Diagnosis refer to 

BL-19, "POWER DOOR LOCK SYSTEM"

 .

●

“REMOTE KEYLESS ENTRY SYSTEM” Diagnosis refer to 

BL-53, "REMOTE KEYLESS ENTRY SYS-

TEM"

 .

PIIA2797E

LIIA0123E

VEHICLE SECURITY (THEFT WARNING) SYSTEM

BL-171

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Preliminary Check

NIS000WW

The system operation is canceled by turning ignition switch to “ACC” at any step between START and ARMED
in the following flow chart.
NOTE:
Before performing PRELIMINARY CHECK, disconnect IVCS unit connectors not to operate INFINITI commu-
nicator.

After performing preliminary check, go to symptom chart.

PIIA2861E

BL-172

VEHICLE SECURITY (THEFT WARNING) SYSTEM

Symptom Chart

NIS000WX

*1: Make sure the system is in the armed phase.

PROCEDURE

Diagnostic procedure

SYMPTOM

1

Vehicle security 
system cannot be 
set by ····

All items

●

Door key cylinder

●

Electronic key

Diagnostic Procedure 1 (Check door, hood and trunk room lamp switch)
Refer to 

BL-173, "Diagnostic Procedure 1"

 .

Diagnostic Procedure 3  (Check door unlock sensor)
Refer to 

BL-179, "Diagnostic Procedure 3"

 .

Diagnostic Procedure 5 (Check trunk lid key unlock signal)
Refer to 

BL-184, "Diagnostic Procedure 5"

 .

Diagnostic Procedure 8 (Check ACC power supply)
Refer to 

BL-188, "Diagnostic Procedure 8"

 .

If the above systems are “OK”, replace BCM.

Door key cylinder

Diagnostic Procedure 4 (Check door key cylinder switch)
Refer to 

BL-181, "Diagnostic Procedure 4"

 .

If the above systems are “OK”, check driver door control unit (LCU01).

Security indicator does not turn “ON”.

Diagnostic Procedure 2 (Check security indicator lamp)
Refer to 

BL-178, "Diagnostic Procedure 2"

 .

If the above systems are “OK”, replace BCM.

2

*1
Vehicle security 
system does not 
alarm when ····

Any door is opened.

Diagnostic Procedure 1  (Check door, hood and trunk room lamp switch)
Refer to 

BL-173, "Diagnostic Procedure 1"

 .

If the above systems are “OK”, replace BCM.

Any door is unlocked without 
using electronic key

Diagnostic Procedure 3  (Check door unlock sensor)
Refer to 

BL-179, "Diagnostic Procedure 3"

 .

If the above system is “OK”, check driver door control unit (LCU01) or door 
control unit.

3

Vehicle security 
alarm does not 
activate.

Horn alarm

Diagnostic Procedure 6  (Check theft warning horn alarm)
Refer to 

BL-185, "Diagnostic Procedure 6"

 .

If the above systems are “OK”, check horn system. 
Refer to 

WW-41, "HORN"

 .

If the above systems are “OK”, replace BCM.

Headlamp alarm

Diagnostic Procedure 7 (Check headlamp alarm)
Refer to 

BL-187, "Diagnostic Procedure 7"

 .

If the above systems are “OK”, replace BCM.

4

Vehicle security 
system cannot be 
canceled by ····

Door key cylinder

Diagnostic Procedure 4  (Check door key cylinder switch)
Refer to 

BL-181, "Diagnostic Procedure 4"

 .

If the above systems are “OK”, check driver door control unit (LCU01).

Trunk lid key cylinder

Diagnostic Procedure 5  (Check trunk lid key cylinder switch)
Refer to 

BL-184, "Diagnostic Procedure 5"

 .

If the above systems are “OK”, replace BCM.