Nissan Leaf. Manual — part 147
AV
INSPECTION AND ADJUSTMENT
AV-579
< BASIC INSPECTION >
[TELEMATICS SYSTEM]
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ADDITIONAL SERVICE WHEN TCU CONNECTING CENTER CHANGED
ADDITIONAL SERVICE WHEN TCU CONNECTING CENTER CHANGED : Descrip-
tion
INFOID:0000000010122749
When TCU connecting center change must be performed manually, below operation is required.
Operation to change the connecting center
Use CONSULT and enter connecting center of TCU.
ADDITIONAL SERVICE WHEN TCU CONNECTING CENTER CHANGED : Work Pro-
cedure
INFOID:0000000010122750
1.
INFORMATION CENTER CONNECTION SETTINGS
CONSULT work support
1. Wait for 5 seconds or more after turning the power switch ON.
2. Touch “TELEMATICS” on the CONSULT screen.
3. After performing System Call of CONSULT, touch the “Work support” tab.
4. On the work support screen of CONSULT, select “CENTER CONNECTION SETTING” and touch “Start.”
5. On the CENTER CONNECTION SETTING screen, touch “Start.”
>> GO TO 2.
2.
INPUT OF PERSONAL ID AND PASSWORD (USER OPERATION)
1. Enter personal ID and password by vehicle operation.
2. Press “ (Zero emission)”of multifunction switch.
3. Select “CARWINGS” and check radio wave status of TELEMAT-
ICS indicated on the top right.
4. Select “CARWINGS”
→“CARWINGS settings”→“Sign in.”
5. Enter user ID and password to select “Register.”
6. Voice guidance is heard, and the communication with the Infor-
mation Center starts.
7. Test results from the Information Center are shown on the dis-
play.
Check displayed results.
Displays registration completion screen.>>GO TO 3.
Displays “Can't connect to center”>>Check user ID and password. Go back to Step 2 [2.INPUT OF PER-
SONAL ID AND PASSWORD (USER OPERATION)].
3.
CONFIRMATION OF OPERATION
1. Press “ (Zero emission)” of multifunction switch.
2. Select “CARWINGS”
→“All Information Feeds”→Contents of Info from NISSAN.
Check displayed results.
Displays contents of All Information Feeds.>>WORK END
Displays “Can't connect to center”>>Select and check a different item of All Information Feeds, or GO TO 2.
A.
Radio wave state (Service Area)
B.
Radio wave state (Out of Service Area)
JSNIA4475ZZ
AV-580
< DTC/CIRCUIT DIAGNOSIS >
[TELEMATICS SYSTEM]
U1000 CAN COMM CIRCUIT
DTC/CIRCUIT DIAGNOSIS
U1000 CAN COMM CIRCUIT
Description
INFOID:0000000010122751
CAN (Controller Area Network) is a serial communication line for real time applications. It is an on board multi-
plex communication line with high data communication speed and excellent error detection ability. A modern
vehicle is equipped with many ECMs, and each control unit shares information and links with other control
units during operation (not independent). In CAN communication, 2 control units are connected with 2 commu-
nication lines (CAN H-line and 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.
Refer to
LAN-37, "CAN COMMUNICATION SYSTEM : CAN Communication Signal Chart"
for details of the
communication signal.
DTC Logic
INFOID:0000000010122752
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000010122753
1.
PERFORM SELF-DIAGNOSIS
1. Turn the power switch ON and hold it for 2 seconds or more.
2. Check the self-diagnosis result of “multi-AV”.
Is CAN communication system displayed?
YES
>> Refer to
LAN-17, "Trouble Diagnosis Procedure"
.
NO
>> Refer to
GI-53, "Intermittent Incident"
.
DTC
Display contents of CON-
SULT
Malfunction detection condition
Probable malfunction location
U1000
CAN COMM CIRC [U1000]
When the AV control unit cannot communicate for 2 sec-
onds or more.
CAN communication system
AV
U1010 CONTROL UNIT (CAN)
AV-581
< DTC/CIRCUIT DIAGNOSIS >
[TELEMATICS SYSTEM]
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U1010 CONTROL UNIT (CAN)
DTC Logic
INFOID:0000000010122754
DTC DETECTION LOGIC
DTC
Display contents of CON-
SULT
Malfunction detection condition
Action to take
U1010
CONTROL UNIT (CAN)
[U1010]
Malfunction is detected during initial diagnosis of the AV
control unit CAN controller.
Replace the AV control unit if
malfunction constantly occurs.
Refer to
AV-582
< DTC/CIRCUIT DIAGNOSIS >
[TELEMATICS SYSTEM]
U1A00 TCU
U1A00 TCU
DTC Logic
INFOID:0000000010122755
Diagnosis Procedure
INFOID:0000000010122756
1.
CHECK ACC POWER CIRCUIT
1. Check the ACC power circuit. Refer to
AV-590, "TCU : Diagnosis Procedure"
Is the check result normal?
YES
>> Replace TCU. Refer to
AV-594, "Removal and Installation"
.
NO
>> Repair or replace the harness or connectors.
DTC
Display contents of CON-
SULT
DTC detection condition
Action to take
U1A00
ACC NO CONN
[U1A00]
No input of ACC signal
• Check the ACC power cir-
• If the ACC circuit is normal,
594, "Removal and Installa-
tion"
.
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