Infiniti FX35 / FX45. Manual — part 764
TROUBLE DIAGNOSES WORK FLOW
LAN-33
< SERVICE INFORMATION >
[CAN FUNDAMENTAL]
C
D
E
F
G
H
I
J
L
M
A
B
LAN
N
O
P
b.
The tachometer moved normally: Put check marks between ECM and M&A. The circuit between ECM and
M&A is functioning properly (check marks 5-b in the figure below).
6.
The circuit which has the most amount of lines are the possible cause. Error is detected from ABS actua-
tor and electric unit (control unit) branch line (shaded in the figure below).
NOTE:
For abbreviations, refer to
.
SKIB8735E
LAN-34
< SERVICE INFORMATION >
[CAN FUNDAMENTAL]
TROUBLE DIAGNOSES WORK FLOW
7.
Perform the inspection procedure for the possible cause. Refer to
LAN-68, "Malfunction Area Chart"
Past Error — Short Circuit —
When the symptoms listed below exist, a short circuit of the CAN communication line is a possible cause.
PKID1224E
Item (CONSULT-III)
Indication
Inspection procedure
SELF-DIAG RESULTS
“U1000” and “U1001” is indicated in the past for most units.
CAN DIAG SUPPORT MNTR
Only on CAN DIAG SUPPORT MNTR (with PAST), “1 - 39” is in-
dicated on “PAST” of “TRANSMIT DIAG” and the reception item.
TROUBLE DIAGNOSES WORK FLOW
LAN-35
< SERVICE INFORMATION >
[CAN FUNDAMENTAL]
C
D
E
F
G
H
I
J
L
M
A
B
LAN
N
O
P
PKID1225E
LAN-36
< SERVICE INFORMATION >
[CAN]
INDEX FOR DTC
SERVICE INFORMATION
INDEX FOR DTC
DTC No. Index
INFOID:0000000001328627
DTC
Self-diagnosis item
(CONSULT-III indication)
DTC detection condition
Inspection
U1000
CAN COMM CIRCUIT
When ECM is not transmitting or receiving CAN
communication signal of OBD (emission-related
diagnosis) for 2 seconds or more.
Refer to
When a control unit (except for ECM) is not
transmitting or receiving CAN communication
signal for 2 seconds or more.
U1001
CAN COMM CIRCUIT
When ECM is not transmitting or receiving CAN
communication signal other than OBD (emis-
sion-related diagnosis) for 2 seconds or more.
U1002
SYSTEM COMM
When a control unit is not transmitting or receiv-
ing CAN communication signal for 2 seconds or
less.
Start the inspection. Re-
fer to the applicable sec-
tion of the indicated
control unit.
U1010
CONTROL UNIT [CAN]
When an error is detected during the initial diag-
nosis for CAN controller of each control unit.
Replace the control unit
indicating “U1010”.
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