Nissan Primera P12. Manual — part 536
LAN-56
[CAN]
CAN SYSTEM (TYPE 23)
8.
CHECK HARNESS FOR SHORT CIRCUIT
1.
Disconnect ECM connector.
2.
Check continuity between ECM harness connector F119 termi-
nals 95 (L) and 87(R).
OK or NG
OK
>> GO TO 9.
NG
>> Repair harness between ECM and harness connector
F109.
9.
CHECK HARNESS FOR SHORT CIRCUIT
1.
Check continuity between ECM harness connector F119 termi-
nals 95(L), 87(R) and ground.
OK or NG
OK
>> GO TO 10.
NG
>>
●
Repair harness between ECM and harness connector
F109.
10.
ECM / COMBINATION METER INTERNAL CIRCUIT INSPECTION
Check components inspection. Refer to
LAN-56, "ECM / COMBINATION METER INTERNAL CIRCUIT
OK or NG
OK
>> Reconnect all connectors to perform “SELF-DIAG RESULTS” and “DATA MONITOR” for
“ENGINE”, “ABS”, “SMART ENTRANCE”, and “AIR PRESSURE MONITOR” displayed on CON-
SULT-II. Refer to the following:
●
EC-83, "DTC U1000 CAN COMMUNICATION LINE"
for “ENGINE”
●
BRC-25, "CAN Communication Circuit"
for “ABS”
●
BCS-23, "CAN Communication Line Check"
for “SMART ENTRANCE”
●
WT-23, "Inspection 4: CAN Communication Line"
for “AIR PRESSURE MONITOR”
NG
>> Replace ECM and/or Combination meter.
Component Inspection
EKS00AR3
ECM / COMBINATION METER INTERNAL CIRCUIT INSPECTION
●
Remove ECM and Combination meter from vehicle.
●
Check resistance between ECM terminals 95 and 87.
●
Check resistance between Combination meter terminals 43 and
44.
95(L) – 87(R)
: Continuity should not exist.
MKIB0609E
95(L) – ground
: Continuity should not exist.
87(R) – ground
: Continuity should not exist.
MKIB0610E
Unit
Terminal
Resistance value (
Ω
)
ECM
95 – 87
Approx. 108 - 132
Combination meter
43 – 44
PKIA0830E
CAN SYSTEM (TYPE 24)
LAN-57
[CAN]
C
D
E
F
G
H
I
J
L
M
A
B
LAN
CAN SYSTEM (TYPE 24)
PFP:23710
System Description
EKS00AR4
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with 2
communication lines (CAN H line, 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.
Component Parts and Harness Connector Location
EKS00AR5
PKIA1427E
LAN-58
[CAN]
CAN SYSTEM (TYPE 24)
Wiring Diagram — CAN —
EKS00AR6
MKWA1715E
CAN SYSTEM (TYPE 24)
LAN-59
[CAN]
C
D
E
F
G
H
I
J
L
M
A
B
LAN
MKWA1716E
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