Nissan Qashqai J11. Manual — part 1880
LAN
SYSTEM
LAN-113
< SYSTEM DESCRIPTION >
[CAN GATEWAY]
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SYSTEM DESCRIPTION
SYSTEM
System Description
INFOID:0000000010377240
SYSTEM DIAGRAM
SYSTEM DESCRIPTION
• The BCM has a CAN gateway function.
• The BCM communicates between two CAN communication circuits.
• The BCM selects and transmits only necessary information.
JSMIA1666GB
LAN-114
< SYSTEM DESCRIPTION >
[CAN GATEWAY]
DIAGNOSIS SYSTEM (CAN GATEWAY)
DIAGNOSIS SYSTEM (CAN GATEWAY)
CONSULT Function
INFOID:0000000010377241
APPLICATION ITEM
CONSULT performs the following functions via CAN communication with CAN gateway.
ECU IDENTIFICATION
The CAN gateway part number is displayed.
SELF DIAGNOSTIC RESULT
• When “CRNT” is displayed on self-diagnosis result
- The system is presently malfunctioning.
• When “PAST” is displayed on self-diagnosis result
- System malfunction in the past is detected, but the system is presently normal.
Freeze Frame Data (FFD)
When DTC is detected, a vehicle state shown below is recorded and displayed on CONSULT.
DATA MONITOR
CONFIGURATION
CAUTION:
Follow the instructions listed below. Failure to do this may cause malfunctions to the BCM.:
• When replacing BCM you must perform “Read / Write Configuration” or “Manual Configuration” with
CONSULT.
• Complete the procedure of “Read / Write Configuration” or “Manual Configuration” in order.
• If you set incorrect “Read / Write Configuration” or “Manual Configuration”, incidents might occur.
• Configuration is different for each vehicle model. Confirm configuration of each vehicle model.
• Never perform “Read / Write Configuration” or “Manual Configuration” except for new BCM.
Diagnosis mode
Function Description
Ecu Identification
The CAN gateway software number is displayed.
Self Diagnostic Result
Displays the diagnosis results of BCM CAN gateway function.
Data Monitor
Displays real-time input/output data of BCM CAN gateway function.
Configuration
• Read and save the vehicle specification.
• Write the vehicle specification when replacing of BCM.
Item name
Display item
Milage
(Kirometers)
Displays the total mileage when a DTC is detected.
Monitor item
Description
CAN GW MODE
(UNCONF/MALF/NORMAL)
Displays the status of BCM CAN gateway function.
IGN SIGNAL
(Off/On)
Displays the status of ignition switch.
Function
Description
Read / Write Configuration
Before Replace ECU
• Reads the vehicle configuration of current BCM.
• Saves the read vehicle configuration.
After Replace ECU
Writes the vehicle configuration with saved data.
Manual Configuration
Writes the vehicle configuration with manual selection.
LAN
CAN GATEWAY
LAN-115
< ECU DIAGNOSIS INFORMATION >
[CAN GATEWAY]
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ECU DIAGNOSIS INFORMATION
CAN GATEWAY
Reference Value
INFOID:0000000010377242
VALUES ON THE DIAGNOSIS TOOL
NOTE:
The following table includes information (items) inapplicable to this vehicle. For information (items) applicable
to this vehicle, refer to CONSULT display items.
DTC Index
INFOID:0000000010377243
Monitor item
Condition
Value/Status
CAN GW MODE
When the configuration of the BCM CAN gateway function is not writ-
ten
UNCONF
When the BCM CAN Gateway function is malfunction
MALF
When BCM CAN Gateway function is normal.
NORMAL
IGN SIGNAL
Ignition switch in OFF or ACC position
Off
Ignition switch in ON position
On
DTC
Reference
No DTC is detected.
Further testing may be required.
—
B2600-46: CONFIG ERROR
B2600-55: CONFIG ERROR
LAN-116
< BASIC INSPECTION >
[CAN GATEWAY]
CONFIGURATION (CAN GATEWAY)
BASIC INSPECTION
CONFIGURATION (CAN GATEWAY)
Work Procedure
INFOID:0000000010377244
1.
WRITING MODE SELECTION
CONSULT Configuration
Select “Re/programming, Configuration” of CAN gateway.
When writing saved data>>GO TO 2.
When writing manually>>GO TO 3.
2.
PERFORM “AFTER REPLACE ECU” OF “READ / WRITE CONFIGURATION”
CONSULT Configuration
Perform “After Replace ECU” of “Read / Write Configuration”.
>> GO TO 4.
3.
PERFORM “MANUAL CONFIGURATION”
CONSULT Configuration
1.
Select “Manual Configuration”.
2.
Touch “Next”.
3.
Touch “OK”.
4.
Check that the configuration has been successfully written and touch “End”.
>> GO TO 4.
4.
CHECK ALL ECU SELF-DIAGNOSIS RESULTS
1.
Erase all ECU self-diagnosis results using CONSULT.
2.
Turn the ignition switch OFF.
3.
Turn the ignition switch ON and wait for 2 seconds or more.
4.
Check that all ECU self-diagnosis results have no DTC (e.g. U1000 and U1001) of CAN communication.
>> WORK END
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