Nissan Frontier D40. Manual — part 809
LAN
DIAGNOSIS AND REPAIR WORKFLOW
LAN-23
< BASIC INSPECTION >
[CAN FUNDAMENTAL]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
c.
Reception item of “AV”: “UNKWN” is not indicated. This indicates normal communication between AV and
its receiving units. Do not draw any line.
d.
Reception item of “BCM”: On “TCM”, “UNKWN” is indicated. This means BCM cannot receive the signal
from TCM. Draw a line to indicate an error between BCM and TCM (line 2-d in the figure below).
e.
Reception item of “EPS” and “I-KEY”: “UNKWN” is not indicated. This indicates normal communication
between EPS and I-KEY and their receiving units. Do not draw any line.
NOTE:
PKID1215E
LAN-24
< BASIC INSPECTION >
[CAN FUNDAMENTAL]
DIAGNOSIS AND REPAIR WORKFLOW
On CAN DIAG SUPPORT MNTR (without PAST), “UNKWN” is indicated even though the item is not used
in the trouble diagnosis. For the details of each item on CAN diagnostic support monitor, refer to
"CAN Diagnostic Support Monitor"
.
f.
Reception item of “M&A”: On “TCM”, “UNKWN” is indicated. This means M&A cannot receive the signal
from TCM. Draw a line to indicate an error between M&A and TCM (line 2-f in the figure below).
g.
Reception item of “ADP”: On “TCM”, “UNKWN” is indicated. This means ADP cannot receive the signal
from TCM. Draw a line to indicate an error between ADP and TCM (line 2-g in the figure below).
PKID1216E
LAN
DIAGNOSIS AND REPAIR WORKFLOW
LAN-25
< BASIC INSPECTION >
[CAN FUNDAMENTAL]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
h.
Reception item of “ABS”: “UNKWN” is not indicated. This indicates normal communication between ABS
and its receiving units. Do not draw any line.
i.
Reception item of “IPDM-E”: “UNKWN” is not indicated. This indicates normal communication between
IPDM-E and its receiving units. Do not draw any line.
3.
Based on information received from “CAN DIAG SUPPORT MNTR”, place a check mark on the known
good CAN communication line between ECM and IPDM-E.
a.
Through the previous procedure, the circuit between ADP splice and TCM has the most amount of lines
(shade 3-a in the figure below).
b.
Place a check mark on the known good lines to establish the error circuit.
PKID1217E
LAN-26
< BASIC INSPECTION >
[CAN FUNDAMENTAL]
DIAGNOSIS AND REPAIR WORKFLOW
Reception item of “IPDM-E”: On “ECM”, “OK” is indicated. IPDM-E communicates normally with ECM. Put
a check mark on the normal circuit between ECM and IPDM-E (check mark 3-b in the figure below).
4.
Through the above procedure, the error is detected in the TCM branch line (shaded in the figure below).
NOTE:
For abbreviations, refer to
.
PKID1218E
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