Nissan Qashqai (2007-2010). Manual — part 1088
INTELLIGENT KEY UNIT
DLK-431
< ECU DIAGNOSIS >
[WITH I-KEY & SUPER LOCK]
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
JCKWA0297GB
DLK-432
< ECU DIAGNOSIS >
[WITH I-KEY & SUPER LOCK]
INTELLIGENT KEY UNIT
Fail Safe
INFOID:0000000001081545
JCKWA0298GB
INTELLIGENT KEY UNIT
DLK-433
< ECU DIAGNOSIS >
[WITH I-KEY & SUPER LOCK]
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
DTC Inspection Priority Chart
INFOID:0000000001081546
If some DTCs are displayed at the same time, perform inspections one by one based on the following priority
chart.
DTC Index
INFOID:0000000001081547
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.
Display contents of CONSULT-III
Fail-safe
Cancellation
B2013: STRG COMM 1
• Inhibits steering look unlocking
Erase DTC
B2552: INTELLIGENT KEY
• Inhibits steering look unlocking
• Inhibits engine cranking
(BCM)
• Fuel cut
(ECM)
Erase DTC
B2590: NATS MALFUNCTION
• Inhibits steering look unlocking
• Inhibits engine cranking
(BCM)
• Fuel cut
(ECM)
Erase DTC
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 unit are NG. Or Intelligent Key
unit cannot communicate with steering lock unit.
×
Perform steering lock
unit 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.
×
DLK-434
< ECU DIAGNOSIS >
[WITH I-KEY & SUPER LOCK]
BCM (BODY CONTROL MODULE)
BCM (BODY CONTROL MODULE)
Reference Value
INFOID:0000000001097293
VALUES ON THE DIAGNOSIS TOOL
Monitor Item
Condition
Value/Status
ACC ON SW
Ignition switch OFF
OFF
Ignition switch ACC or ON
ON
AIR COND SW
A/C switch OFF
OFF
A/C switch ON
ON
AUT LIGHT SYS
Outside of the room is dark
OFF
Outside of the room is bright
ON
AUTO LIGHT SW
Lighting switch OFF
OFF
Lighting switch AUTO
ON
BACK DOOR SW
Back door closed
OFF
Back door opened
ON
BATTERY VOLT
NOTE:
Diesel engine models
only
Ignition switch ON
Approximately the same as power
supply voltage
BUCKLE SW
Driver's seat belt unfastened
OFF
Driver's seat belt fastened
ON
CDL LOCK SW
Door lock/unlock switch does not operate
OFF
Press door lock/unlock switch to the LOCK side
ON
CDL UNLOCK SW
Door lock/unlock switch does not operate
OFF
Press door lock/unlock switch to the UNLOCK side
ON
DOOR SW-AS
Passenger door closed
OFF
Passenger door opened
ON
DOOR SW-DR
Driver door closed
OFF
Driver door opened
ON
DOOR SW-RL
Rear LH door closed
OFF
Rear LH door opened
ON
DOOR SW-RR
Rear RH door closed
OFF
Rear RH door opened
ON
ELEC PWR CUT
NOTE:
Diesel engine models
only
Engine running
Fan switch ON (when engine coolant is
cool)
NOTE:
Depending on the ambient tempera-
ture, battery voltage, etc.
OFF
The current status maintained with the
signal from ECM received.
FREEZ
• Fan switch OFF
• Fan switch ON after engine warming
UP
NOTE:
Depending on the engine coolant
temperature, ambient temperature,
battery voltage, etc.
INHBT
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