Nissan Frontier. Instruction — part 967
LAN-18
< BASIC INSPECTION >
[CAN FUNDAMENTAL]
DIAGNOSIS AND REPAIR WORKFLOW
Interview Sheet (Example)
COLLECT DATA
Collect CONSULT Data
Print out or save the following CONSULT data.
• SELF-DIAG RESULTS
• CAN DIAG SUPPORT MNTR
NOTE:
JSMIA0823GB
LAN
DIAGNOSIS AND REPAIR WORKFLOW
LAN-19
< BASIC INSPECTION >
[CAN FUNDAMENTAL]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
Some items may not be needed depending on CAN system type of vehicle.
Create On-board Diagnosis Copy Sheet
Display the trouble diagnosis result of CAN communication with the on-board diagnosis function on the vehicle
monitor, etc. Copy them on the on-board diagnosis copy sheet.
NOTE:
JSMIA0810GB
LAN-20
< BASIC INSPECTION >
[CAN FUNDAMENTAL]
DIAGNOSIS AND REPAIR WORKFLOW
For some models, CAN communication diagnosis result is received from the vehicle monitor. (CONSULT is
not available.)
CREATE DIAGNOSIS SHEET
NOTE:
Be sure to use the diagnosis sheet for the correct CAN system type.
Print Diagnosis Sheet
Print the diagnosis sheet for the applicable CAN system type.
Check Collected Data
Check that all ECUs are received, referring to “system” displayed in “ALL DTC.”
NOTE:
SKIB8722E
LAN
DIAGNOSIS AND REPAIR WORKFLOW
LAN-21
< BASIC INSPECTION >
[CAN FUNDAMENTAL]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
.
DETECT THE ROOT CAUSE
Identify the root cause using the created diagnosis sheet.
Identifying the root cause
• Draw a line on the diagnosis sheet to indicate the possible cause. Narrow the search.
NOTE:
• Color-code when drawing lines.
• Do not draw a line onto a existing line.
• Drawing a line is not necessary if the circuit is shorted. Refer to “Present Error — Short Circuit —”, “Past
Error — Short Circuit —”.
Refer to the following for details of the trouble diagnosis procedure.
• “Present Error — Open Circuit —”
• “Present Error — Short Circuit —”
• “Past Error — Open Circuit —”
• “Past Error — Short Circuit —”
NOTE:
When the root cause appears to be a branch line or short circuit, be sure to check the control unit as well as
the communication line.
Present Error — Open Circuit —
JSMIA0811GB
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст