Infiniti Q45 (FY33). Manual - part 344
SEL527W
DIAGNOSTIC PROCEDURE 3
SEL525W
SEL505W
SEL257V
CHECK DOOR SWITCH INPUT SIGNAL.
CONSULT-II
See “DOOR SW” in DATA MONITOR
mode.
When door is open:
DOOR SW
ON
When door is closed:
DOOR SW
OFF
-------------------------------------------------------------------------------------------------------------------------------------- OR --------------------------------------------------------------------------------------------------------------------------------------
ON BOARD
Check all doors switches in Switch moni-
tor (Mode II) mode.
(Refer to On board Diagnosis, EL-299.)
Refer to wiring diagram in EL-359.
OK
E
NG
Check the following.
I
Door switch
Refer to “Electrical Com-
ponents Inspection” (EL-
373).
I
Door switch ground con-
dition (Front door) or
door switch ground cir-
cuit (Rear door)
I
Harness for open or
short between BCM and
door switch
CHECK DOOR UNLOCK SENSOR
INPUT SIGNAL.
CONSULT-II
See “LOCK SIG” in DATA MONITOR
mode.
When door is locked:
LOCK SIG
LOCK
When door is unlocked:
LOCK SIG
UNLK
-------------------------------------------------------------------------------------------------------------------------------------- OR --------------------------------------------------------------------------------------------------------------------------------------
ON BOARD
Check door lock knob operation in Switch
monitor (Mode II) mode.
(Refer to On board Diagnosis, EL-299.)
Refer to wiring diagram in EL-360, 361 or
362.
OK
E
NG
Check the following.
I
Door unlock sensor
Refer to “Electrical Com-
ponents Inspection” (EL-
373).
I
Door unlock sensor
ground circuit
I
Harness for open or
short between LCU and
unlock sensor
CHECK IGNITION SWITCH “ACC” CIR-
CUIT.
CONSULT-II
See “IGN ACC SW” in DATA MONITOR
mode.
When ignition switch is ACC or ON:
IGN ACC SW
ON
When ignition switch is OFF:
IGN ACC SW
OFF
-------------------------------------------------------------------------------------------------------------------------------------- OR --------------------------------------------------------------------------------------------------------------------------------------
TESTER
Check voltage between BCM terminal
q
60
and ground.
Refer to wiring diagram in EL-357.
OK
E
NG
Check the following.
I
7.5A fuse [No. 23 ,
located in fuse block
(J/B)]
I
Harness for open or
short between BCM and
fuse
q
A
Condition of ignition
switch
Voltage V
ACC or ON
Approx. 12
OFF
0
GI
MA
EM
LC
EC
FE
AT
PD
FA
RA
BR
ST
RS
BT
HA
IDX
MULTI-REMOTE CONTROL SYSTEM — IVMS
Trouble Diagnoses (Cont’d)
H
H
H
EL-367