Infiniti I35 (A33). Manual — part 436
SYMPTOM CHART
NHEL0123S02
REFERENCE PAGE (EL-
)
SYMPTOM
PRELIMINAR
Y
CHECK
POWER
SUPPL
Y
AND
GROUND
CIRCUIT
CHECK
DOOR,
HOOD
AND
TRUNK
ROOM
LAMP
SWITCH
CHECK
SECURITY
INDICA
T
O
R
LAMP
CHECK
DOOR
KEY
CYLINDER
SWITCH
CHECK
DOOR
LOCK/UNLOCK
SWITCH
CHECK
VEHICLE
SECURITY
HORN
AND
HEADLAMP
ALARM
CHECK
Check
“REMOTE
KEYLESS
ENTR
Y
SYSTEM”.
1
Vehicle security indicator does not
illuminate for 30 seconds.
X
X
X
V
ehicle
security
system
cannot
be
set
by
.
All items
X
X
X
Door outside key
X
X
Lock/unlock switch
X
X
Keyfob
X
X
2
*1
V
ehicle
security
system
does
not
alarm
when
...
One of the door is
opened
X
X
3
V
ehicle
security
alarm
does
not
activate.
Horn or headlamp
alarm
X
X
X
4
V
ehicle
security
system
cannot
be
canceled
by
.
Door outside key
X
X
Keyfob
X
X
X : Applicable
*1: Make sure the system is in the armed phase.
Before starting trouble diagnoses above, perform preliminary
check, EL-344.
Symptom numbers in the symptom chart correspond with those of
preliminary check.
GI
MA
EM
LC
EC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
VEHICLE SECURITY (THEFT WARNING) SYSTEM
Trouble Diagnoses (Cont’d)
EL-345
POWER SUPPLY AND GROUND CIRCUIT CHECK
NHEL0123S03
Power Supply Circuit Check
NHEL0123S0301
1.
Disconnect smart entrance control unit harness connector.
2.
Check voltage between smart entrance control unit harness
connector M144 terminals 26 (PU), 27 (G), M145 terminal 49
(R/B) and ground.
SEL582Y
Ground Circuit Check
NHEL0123S0302
1.
Disconnect smart entrance control unit harness connector.
2.
Check continuity between smart entrance control unit harness
connector M144 terminal 43 (B), M145 terminal 64 (B) and
ground.
SEL034Y
VEHICLE SECURITY (THEFT WARNING) SYSTEM
Trouble Diagnoses (Cont’d)
EL-346
DOOR, HOOD AND TRUNK ROOM LAMP SWITCH
CHECK
=NHEL0123S04
Door Switch Check
NHEL0123S0401
1
PRELIMINARY CHECK
1. Turn ignition switch OFF and remove key from ignition key cylinder.
“SECURITY” indicator lamp should blink every 2.6 seconds.
2. Close all doors, hood and trunk lid.
3. Lock doors with keyfob from inside the vehicle.
“SECURITY” indicator lamp should turn on for 30 seconds.
4. Unlock any door with the door lock knob and open the door within 30 seconds after door is locked.
“SECURITY” indicator lamp should turn off.
OK or NG
OK
©
Door switch is OK, and go to hood switch check.
NG
©
GO TO 2.
2
CHECK DOOR SWITCH INPUT SIGNAL
With CONSULT-II
Check door switches (“DOOR SW-RR”, “DOOR SW-DR” and “DOOR SW-AS”) in “DATA MONITOR” mode with CON-
SULT-II.
SEL024Y
Without CONSULT-II
Check voltage between smart entrance control unit harness connector M143 terminals 1 (LG), 2 (R/L) or 3 (R/W) and
ground.
SEL021YC
Refer to wiring diagram in EL-337.
OK or NG
OK
©
Door switch is OK, and go to hood switch check.
NG
©
GO TO 3.
GI
MA
EM
LC
EC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
VEHICLE SECURITY (THEFT WARNING) SYSTEM
Trouble Diagnoses (Cont’d)
EL-347
3
CHECK DOOR SWITCH
1. Disconnect door switch connector.
2. Check continuity between door switch terminals.
SEL900Y
OK or NG
OK
©
Check the following.
I
Door switch ground circuit or door switch ground condition
I
Harness for open or short between smart entrance control unit and door switch
NG
©
Replace door switch.
VEHICLE SECURITY (THEFT WARNING) SYSTEM
Trouble Diagnoses (Cont’d)
EL-348
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