Infiniti Q45. Manual — part 228
VEHICLE SECURITY (THEFT WARNING) SYSTEM
BL-181
C
D
E
F
G
H
J
K
L
M
A
B
BL
Diagnostic Procedure 4
NIS000X1
4–1 CHECK DOOR KEY CYLINDER LOCK SWITCH
1.
CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL (LOCK SIGNAL)
With CONSULT-II
Check front door key cylinder switch (driver side) “KEY CYL LK-DR” in “DATA MONITOR” mode with CON-
SULT-II.
Without CONSULT-II
Check voltage between driver door control unit (LCU01) connector
and ground.
OK or NG
OK
>> Front door key cylinder switch (driver side) “lock” is OK.
NG
>> GO TO 2.
“KEY CYL LK-DR” should be “ON” when key inserted
in door key cylinder was turned to lock.
PIIA0350E
Connector
Terminal (wire color)
Key position
Voltage (V)
(Approx.)
( + )
( – )
D8
10 (GY)
Ground
Neutral / Unlock
5
Lock
0
PIIA2805E
BL-182
VEHICLE SECURITY (THEFT WARNING) SYSTEM
2.
CHECK DOOR KEY CYLINDER SWITCH
1.
Turn ignition switch “OFF”.
2.
Disconnect front door key cylinder switch (driver side) connector.
3.
Check continuity between front door key cylinder switch (driver side) terminals 2 and 3.
OK or NG
OK
>> Check the following.
●
Front door key cylinder switch (driver side) ground cir-
cuit
●
Harness for open or short between driver door control
unit (LCU01) and front door key cylinder switch (driver
side)
NG
>> Replace front door key cylinder switch (driver side).
Terminal
Condition
Continuity
2 3
Neutral / Unlock
No
Lock
Yes
PIIB0203E
VEHICLE SECURITY (THEFT WARNING) SYSTEM
BL-183
C
D
E
F
G
H
J
K
L
M
A
B
BL
4–2 CHECK DOOR KEY CYLINDER UNLOCK SWITCH
1.
CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL (UNLOCK SIGNAL)
With CONSULT-II
Check front door key cylinder switch (driver side) “KEY CYL UN-DR” in “DATA MONITOR” mode with CON-
SULT-II.
Without CONSULT-II
Check voltage between driver door control unit (LCU01) connector
and ground.
OK or NG
OK
>> Front door key cylinder switch (driver side) (unlock) is
OK.
NG
>> GO TO 2.
“KEY CYL UN-DR” should be “ON” when key inserted
in driver door key cylinder was turned to unlock.
PIIA0353E
Connector
Terminal (wire color)
Key position
Voltage (V)
(Approx.)
( + )
( – )
D8
9 (PU/W)
Ground
Neutral / Lock
5
Unlock
0
PIIA2854E
BL-184
VEHICLE SECURITY (THEFT WARNING) SYSTEM
2.
CHECK DOOR KEY CYLINDER SWITCH
1.
Turn ignition switch “OFF”.
2.
Disconnect front door key cylinder switch (driver side) connector.
3.
Check continuity between front door key cylinder switch (driver
side) terminals 1 and 2.
OK or NG
OK
>> Check the following.
●
Front door key cylinder switch (driver side) ground cir-
cuit
●
Harness for open or short between driver door control
unit (LCU01) and front door key cylinder switch (driver side)
NG
>> Replace front door key cylinder switch (driver side).
Diagnostic Procedure 5
NIS000X2
CHECK TRUNK LID KEY UNLOCK SIGNAL
1.
CHECK TRUNK KEY CYLINDER SWITCH INPUT SIGNAL (UNLOCK SIGNAL)
With CONSULT-II
Check trunk lid key cylinder switch “TRUNK UNLK SW” in “DATA MONITOR” mode with CONSULT
−
II.
●
When key in key cylinder is at “NEUTRAL” position,
●
When key is “UNLOCK” position,
Without CONSULT-II
Check trunk lid key cylinder switch in Switch monitor mode.
Refer to Remote keyless entry system
.
OK or NG
OK
>> Trunk lid key cylinder switch is OK.
NG
>> GO TO 2.
2.
CHECK TRUNK KEY CYLINDER SWITCH (UNLOCK SWITCH)
1.
Turn ignition switch OFF.
2.
Disconnect trunk lid key cylinder switch connector.
3.
Check continuity between trunk lid key cylinder switch terminals
1 and 2.
OK or NG
OK
>> Check the following.
●
Trunk lid key cylinder switch ground circuit
●
Harness for open or short between trunk lid key cylin-
der switch and BCM
NG
>> Replace trunk lid key cylinder switch.
Terminal
Condition
Continuity
1
2
Neutral / Lock
No
Unlock
Yes
PIIB0204E
TRUNK UNLK SW: OFF
TRUNK UNLK SW: ON
PIIA0356E
Terminals
Condition
Continuity
1
2
Neutral
No
Unlocked
Yes
PIIB0202E
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