Infiniti Q45. Manual — part 643
TROUBLE DIAGNOSES WORK FLOW
LAN-21
[CAN]
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M
A
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LAN
Diagnosis Procedure
NKS001GN
SELECTING CAN SYSTEM TYPE (HOW TO USE SPECIFICATION TABLE)
Determine CAN system type from the equipment of the vehicle to select applicable check sheet.
SKIB6953E
LAN-22
[CAN]
TROUBLE DIAGNOSES WORK FLOW
ACQUISITION OF DATA BY CONSULT-II
Attach the data acquired by CONSULT-II on the check sheet determined according to CAN system type.
SKIB6954E
TROUBLE DIAGNOSES WORK FLOW
LAN-23
[CAN]
C
D
E
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B
LAN
HOW TO USE CHECK SHEET TABLE
1.
Unit names displayed on CONSULT-II
2.
“No indication”: Put a check mark to it if the unit name described in step 1 is not displayed on “SELECT
SYSTEM” screen of CONSULT-II. (Unit communicating with CONSULT-II via CAN communication line)
“–”: Column not used (Unit communicating with CONSULT-II excluding CAN communication line)
3.
“NG”: Display “NG” when malfunction is detected in the initial diagnosis of the diagnosed unit. Replace the
unit if “NG” is displayed.
“–”: Column not used (Initial diagnosis is not performed.)
4.
“UNKWN”: Display “UNKWN” when the diagnosed unit does not transmit the data normally. Put a check
mark to it if “UNKWN” is displayed on CONSULT-II.
“–”: Column not used (Transmit diagnosis is not performed.)
5.
“UNKWN”: Display “UNKWN” when the diagnosed unit does not receive the data normally. Put a check
mark to it if “UNKWN” is displayed on CONSULT-II.
“–”: Column not used (It is not necessary for CAN communication trouble diagnosis.)
NOTE:
CAN communication diagnosis checks if CAN communication works normally. (Contents of data are not diag-
nosed.)
●
When the initial conditions are reproduced, refer to
LAN-24, "Example of Filling in Check Sheet When Ini-
tial Conditions Are Reproduced"
.
●
When the initial conditions are not reproduced, refer to
LAN-27, "Example of Filling in Check Sheet When
Initial Conditions Are Not Reproduced"
SKIB6955E
LAN-24
[CAN]
TROUBLE DIAGNOSES WORK FLOW
Example of Filling in Check Sheet When Initial Conditions Are Reproduced
1.
Put a check mark to “No indication” if some of unit names listed on the column of diagnosis system selec-
tion screen of a check sheet table are not displayed on “SELECT SYSTEM” screen attached to the check
sheet.
NOTE:
Put check marks to “No indication” of PRECRASH SEATBELT and LDW because PRECRASH SEAT-
BELT and LDW are not displayed on “SELECT SYSTEM” screen.
2.
Confirm the unit name that “UNKWN” is displayed from the copy of “CAN DIAG SUPPORT MNTR” screen
of “ENGINE” attached to the check sheet, and then put a check mark to the check sheet table.
NOTE:
In “CAN DIAG SUPPORT MNTR” screen, “UNKWN” is displayed on “METER/M&A”. Put a check mark to
it.
SKIB6956E
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