Nissan Qashqai (2007-2010). Manual — part 1207
SEC-28
< FUNCTION DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
DIAGNOSIS SYSTEM (INTELLIGENT KEY UNIT)
*1
: The item is only for MT model.
INDICATOR
This test is able to check warning lamp operation.
• BLUE ON: Key warning lamp (green) illuminates.
• RED ON: Key warning lamp (red) illuminates.
• KNOB ON: Lock warning lamp illuminates.
• BLUE IND: Key warning lamp (green) flashes.
• RED IND: Key warning lamp (red) flashes.
• KNOB IND: Lock warning lamp flashes.
• OFF
KEY LOCK SOLENOID
*1
This test is able to check key interlock operation.
• LOCK: Key interlock is active.
• UNLOCK: Key interlock is inactive.
Test item
Description
U1000 CAN COMM CIRCUIT
SEC-29
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
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COMPONENT DIAGNOSIS
U1000 CAN COMM CIRCUIT
Description
INFOID:0000000001098010
CAN (Controller Area Network) is a serial communication line for real time applications. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Modern
vehicle is equipped with many electronic control unit, and each control unit shares information and links with
other control units during operation (not independent). In CAN communication, control units are connected
with 2 communication lines (CAN-H line, CAN-L line) allowing a high rate of information transmission with less
wiring. Each control unit transmits/receives data but selectively reads required data only.
CAN Communication Signal Chart, refer to
LAN-59, "CAN Communication Signal Chart"
DTC Logic
INFOID:0000000001098011
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000001098012
1.
PERFORM SELF DIAGNOSTIC
1.
Turn ignition switch ON and wait for 2 seconds or more.
2.
Check “Self Diagnostic Result”.
Is “CAN COMM CIRCUIT” displayed?
YES
>> Refer to
LAN-46, "Trouble Diagnosis Flow Chart"
NO
>> Refer to
GI-39, "Intermittent Incident"
.
DTC
CONSULT-III display
description
DTC Detection Condition
Possible cause
U1000
CAN COMM CIRCUIT
When Intelligent Key unit cannot communi-
cate CAN communication signal continuous-
ly for 2 seconds or more.
In CAN communication system, any item (or items)
of the following listed below is malfunctioning.
• Transmission
• Receiving (BCM)
• Receiving (IPDM E/R)
• Receiving (ECM)
• Receiving (METER/M&A)
• Receiving (MULTI AV)
SEC-30
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
U1010 CONTROL UNIT (CAN)
U1010 CONTROL UNIT (CAN)
Description
INFOID:0000000001098013
CAN (Controller Area Network) is a serial communication line for real time applications. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Modern
vehicle is equipped with many electronic control unit, and each control unit shares information and links with
other control units during operation (not independent). In CAN communication, control units are connected
with 2 communication lines (CAN-H line, CAN-L line) allowing a high rate of information transmission with less
wiring. Each control unit transmits/receives data but selectively reads required data only.
CAN Communication Signal Chart, refer to
LAN-59, "CAN Communication Signal Chart"
DTC Logic
INFOID:0000000001098014
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000001098015
1.
REPLACE INTELLIGENT KEY UNIT
When DTC [U1010] is detected, replace Intelligent Key unit.
>> Replace Intelligent Key unit.
Special Repair Requirement
INFOID:0000000001098016
1.
REQUIRED WORK WHEN REPLACING INTELLIGENT KEY UNIT
Initialize control unit. Refer to CONSULT-III operation manual NATS-IVIS/NVIS.
>> Work end.
DTC
CONSULT-III display de-
scription
DTC Detection Condition
Possible cause
U1010
CONTROL UNIT (CAN)
When detecting error during the initial diagnosis of CAN control-
ler of Intelligent Key unit.
Intelligent Key unit
B2013 ID DISCORD I-KEY-STRG
SEC-31
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
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B2013 ID DISCORD I-KEY-STRG
Description
INFOID:0000000000944553
Intelligent Key unit performs the ID verification with the steering lock unit and releases the steering lock if both
Intelligent Key unit and steering lock unit ID are same. Intelligent Key unit starts the communication with the
steering lock unit when Intelligent Key is carried into the vehicle and the ignition knob switch is pressed.
DTC Logic
INFOID:0000000000944554
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Press the ignition knob switch
2.
Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES
>> Refer to
NO
>> INSPECTION END.
Diagnosis Procedure
INFOID:0000000000944555
1.
PERFORM INITIALIZATION
Perform initialization with CONSULT-III. Re-register all mechanical keys.
For initialization and registration of mechanical key. Refer to “CONSULT-III Operation Manual NATS”.
Can the system be initialized and can steering lock be released with re-registered mechanical key?
YES
>> Steering lock unit was unregistered.
NO
>> GO TO 2.
2.
CHECK STEERING LOCK UNIT POWER SUPPLY-1
1.
Turn ignition switch OFF.
2.
Disconnect steering lock unit connector.
3.
Check voltage between steering lock unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness.
3.
CHECK STEERING LOCK UNIT POWER SUPPLY-2
Check voltage between steering lock unit harness connector and ground.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2013
STRG COMM 1
The ID verification results between Intelligent Key
unit and steering control unit are NG. The registra-
tion is necessary.
• Steering lock unit
Terminals
Voltage (V)
(Approx.)
(+)
(–)
Steering lock unit connector
Terminal
M28
1
Ground
Battery voltage
Terminals
Voltage (V)
(Approx.)
(+)
(–)
Steering lock unit connector
Terminal
M28
2
Ground
5
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