Infiniti M45 (Y34). Manual — part 229
VEHICLE SECURITY (THEFT WARNING) SYSTEM
BL-141
C
D
E
F
G
H
J
K
L
M
A
B
BL
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 Diagnosis
AIS001EW
WORK FLOW
●
“POWER DOOR LOCK SYSTEM” Diagnosis, refer to
BL-18, "POWER DOOR LOCK SYSTEM"
.
●
“REMOTE KEYLESS ENTRY SYSTEM” Diagnosis, refer to
BL-51, "REMOTE KEYLESS ENTRY SYS-
PIIA2797E
LIIA0123E
BL-142
VEHICLE SECURITY (THEFT WARNING) SYSTEM
Preliminary Check
AIS001EX
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
VEHICLE SECURITY (THEFT WARNING) SYSTEM
BL-143
C
D
E
F
G
H
J
K
L
M
A
B
BL
Symptom Chart
AIS001EY
*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 out side key,
●
Electronic key
Diagnostic Procedure 1 (Door, hood and trunk room lamp switch check)
Refer to
BL-144, "Diagnostic Procedure 1"
Diagnostic Procedure 3 (Door unlock sensor check)
Refer to
BL-147, "Diagnostic Procedure 3"
Diagnostic Procedure 5 (Trunk lid key unlock signal check)
Refer to
BL-153, "Diagnostic Procedure 5"
Diagnostic Procedure 8 (ACC power supply check)
Refer to
BL-157, "Diagnostic Procedure 8"
If the above systems are “OK”, replace BCM.
Door outside key
Diagnostic Procedure 4 (Door key cylinder switch check)
Refer to
BL-150, "Diagnostic Procedure 4"
If the above systems are “OK”, check driver door control unit (LCU01).
Security indicator does not turn ON.
Diagnostic Procedure 2 (Security indicator lamp check)
Refer to
BL-146, "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 (Door, hood and trunk room lamp switch check)
Refer to
BL-144, "Diagnostic Procedure 1"
If the above systems are “OK”, replace BCM.
Any door is unlocked without
using electronic key
Diagnostic Procedure 3 (Door unlock sensor check)
Refer to
BL-147, "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 (Theft warning horn alarm check)
Refer to
BL-154, "Diagnostic Procedure 6"
If the above systems are “OK”, replace BCM.
Headlamp alarm
Diagnostic Procedure 7 (Headlamp alarm check)
Refer to
BL-156, "Diagnostic Procedure 7"
If the above systems are “OK”, replace BCM.
4
Vehicle security
system cannot be
canceled by ····
Door outside key
Diagnostic Procedure 4 (Door key cylinder switch check)
Refer to
BL-150, "Diagnostic Procedure 4"
If the above systems are “OK”, check driver door control unit (LCU01).
Trunk lid key
Diagnostic Procedure 5 (Trunk lid key cylinder switch check)
Refer to
BL-153, "Diagnostic Procedure 5"
If the above systems are “OK”, replace BCM.
BL-144
VEHICLE SECURITY (THEFT WARNING) SYSTEM
Diagnostic Procedure 1
AIS001EZ
1 – 1 CHECK DOOR SWITCH
1.
CHECK DOOR SWITCH INPUT SIGNAL
With CONSULT-II
Check door switch (“DOOR SW”) in “DATA MONITOR” mode with CONSULT
−
II.
Without CONSULT-II
Check all door switches in Switch monitor mode.
Refer to Remote keyless entry system,
.
OK or NG
OK
>> Door switch is OK.
NG
>> GO TO 2.
2.
CHECK DOOR SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect door switch connector.
3.
Check continuity between following terminals and ground.
OK or NG
OK
>> Check the following. Repair or replace following item,
when there is a malfunction.
●
Door switch ground condition (front door) or door
switch ground circuit (rear door)
●
Harness for open or short between door switch and
BCM
NG
>> Replace door switch.
When door is open
: DOOR SW ON
When door is closed
: DOOR SW OFF
PIIA0340E
Door switch connector
Terminal
Condition
Continuity
Front
door
switch
driver side:
B20
1
−
Case ground
Pressed
No
passenger
side: B220
Repressed
Yes
Rear
door
switch
LH: D62
1
−
2
Pressed
No
RH: D82
Repressed
Yes
PIIA2798E
PIIA2799E
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