Infiniti QX56 (JA60). Manual — part 864
SEC-102
< ECU DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
INTELLIGENT KEY UNIT
ABKIA1427GB
INTELLIGENT KEY UNIT
SEC-103
< ECU DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
ABKIA1428GB
SEC-104
< ECU DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
INTELLIGENT KEY UNIT
Fail Safe
INFOID:0000000005282716
Fail-safe operation
The Intelligent Key system operation will be interrupted if the Intelligent Key unit loses power or communica-
tion with the BCM.
ABKIA1429GB
INTELLIGENT KEY UNIT
SEC-105
< ECU DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
DTC Inspection Priority Chart
INFOID:0000000005147141
If some DTCs are displayed at the same time, perform inspections one by one based on the following priority
chart.
DTC Index
INFOID:0000000005147142
NOTE:
Details of time display
• CRNT: Displays when there is a malfunction now or after returning to the normal condition until turning igni-
tion switch OFF
→ ON again.
• 1 - 39: Displayed if any previous malfunction is present when current condition is normal. It increases like 1
→ 2 → 3...38 → 39 after returning to the normal condition whenever ignition switch OFF → ON. The counter
remains at 39 even if the number of cycles exceeds it. It is counted from 1 again when turning ignition switch
OFF
→ ON after returning to the normal condition if the malfunction is detected again.
Priority
DTC
1
• U1000: CAN COMM CIRCUIT
• U1010: CONTROL UNIT (CAN)
• B2552: INTELIGENT KEY
2
• B2013: STRG COMM 1
• B2590: NATS MALFUNCTION
CONSULT display
Detection condition
Fail-safe
Diagnosis
No DTC is detected.
further testing
may be required.
—
—
—
U1000: CAN COMM CIRCUIT
Intelligent Key unit cannot receive CAN communi-
cation signal continuously for 2 seconds or more.
—
Check CAN communi-
cation system.
Refer to
U1010: CONTROL UNIT (CAN)
Intelligent Key unit detects internal CAN communi-
cation circuit malfunction.
—
Replace Intelligent Key
unit.
B2013: STRG COMM 1
The ID verification result between Intelligent key
unit and steering lock solenoid are NG. Or Intelligent
Key unit cannot communicate with steering lock so-
lenoid.
×
Perform steering lock
solenoid ID registration
with CONSULT-III
B2552: INTELLIGENT KEY
Intelligent Key unit internal malfunction.
×
Replace Intelligent Key
unit.
B2590: NATS MALFUNCTION
The ID verification result between Intelligent key
unit and BCM are NG. Or Intelligent Key unit cannot
communicate with BCM.
×
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