2008 NISSAN LATIO Service Repair Manual

Page 561 of 2771

NISSAN LATIO 2008  Service Repair Manual INTELLIGENT KEY SYSTEM
BL-127
< SERVICE INFORMATION >
C
D
E
F
G
H
J
K
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MA
B
BL
N
O
P
1. Turn ignition switch OFF.
2. Check signal between Intelligent Key unit connector and ground with oscilloscope.

Page 562 of 2771

NISSAN LATIO 2008  Service Repair Manual BL-128
< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
OK or NG
OK >> Replace malfunctioning outside key antenna.
NG >> Replace Intelligent Key unit. Refer to BL-142, "
Removal and Installation of

Page 563 of 2771

NISSAN LATIO 2008  Service Repair Manual INTELLIGENT KEY SYSTEM
BL-129
< SERVICE INFORMATION >
C
D
E
F
G
H
J
K
L
MA
B
BL
N
O
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3. Check continuity between Intelligent Key unit connector and
ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or rep

Page 564 of 2771

NISSAN LATIO 2008  Service Repair Manual BL-130
< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
OK or NG
OK >> Check the condition of harness and connector.
NG >> GO TO 2.
2.CHECK INSIDE KEY ANTENNA CIRCUIT
1. Disconnect Intelligent Key unit

Page 565 of 2771

NISSAN LATIO 2008  Service Repair Manual INTELLIGENT KEY SYSTEM
BL-131
< SERVICE INFORMATION >
C
D
E
F
G
H
J
K
L
MA
B
BL
N
O
P
OK or NG
OK >> Replace malfunction inside key antenna.
NG >> Replace Intelligent Key unit.
Steering Lock Solenoid

Page 566 of 2771

NISSAN LATIO 2008  Service Repair Manual BL-132
< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
OK or NG
OK >> GO TO 4.
NG >> GO TO 6.
4.CHECK STEERING LOCK COMMUNICATION SIGNAL
Check signal between Intelligent Key unit and ground with oscill

Page 567 of 2771

NISSAN LATIO 2008  Service Repair Manual INTELLIGENT KEY SYSTEM
BL-133
< SERVICE INFORMATION >
C
D
E
F
G
H
J
K
L
MA
B
BL
N
O
P
2. Check continuity between steering lock solenoid connector and
ground.
OK or NG
OK >> Replace Intelligent Key un

Page 568 of 2771

NISSAN LATIO 2008  Service Repair Manual BL-134
< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
Check resistance between key switch and ignition knob switch termi-
nals 5 and 6.
OK or NG
OK >> Key switch and ignition knob switch is OK.
NG >>