Nissan Primera P12. Manual — part 550
LAN-112
[CAN]
CAN SYSTEM (TYPE 27)
NOTE:
If “NG” is displayed on “CAN COMM” for the diagnosed control unit, replace the control unit.
INSPECTION
Proceed trouble diagnosis according to the check sheet results (example).
Case 1:Replace ECM.
Case 2:Replace ABS actuator and electric unit (control unit).
Case 3:Replace smart entrance control unit.
Case 4:Replace tyre pressure monitoring control unit.
Case 5:Check Harness between data link connector and smart entrance control unit. Refer to
cuit Check Between Data Link Connector and Smart Entrance Control Unit"
.
Case 6:Check Harness between smart entrance control unit and tyre pressure monitoring control unit. Refer to
.
Case 7:Check data link connector circuit and ECM circuit. Refer to
LAN-114, "Data Link Connector Circuit and
.
Case 8:Check ECM circuit. Refer to
.
Case 9:Check ABS actuator and electric unit (control unit) circuit. Refer to
LAN-116, "ABS actuator and elec-
tric unit (control unit) Circuit Check"
.
Case 10:Check smart entrance control unit circuit. Refer to
LAN-116, "Smart Entrance Control Unit Circuit
.
Case 11:Check tyre pressure monitoring control unit circuit. Refer to
LAN-117, "Tyre Pressure Monitoring Con-
.
Case 12:Check combination meter circuit. Refer to
LAN-117, "Combination Meter Circuit Check"
.
Case 13:Check CAN communication circuit. Refer to
LAN-118, "CAN Communication Circuit Check"
.
MKIB0676E
CAN SYSTEM (TYPE 27)
LAN-113
[CAN]
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LAN
Circuit Check Between Data Link Connector and Smart Entrance Control Unit
EKS00B61
1.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect the negative battery cable.
3.
Disconnect smart entrance control unit connector and combina-
tion meter.
4.
Check continuity between smart entrance control unit harness
connector M41 terminals 8 (L), 11 (R) and Data link connector
M10 terminals 6 (L), 14 (R).
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-F9Q-136, “CAN Communication” 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
>> Repair harness.
Circuit Check Between Smart Entrance Control Unit and Tyre Pressure Monitor-
ing Control Unit
EKS00B62
1.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect the negative battery cable.
3.
Disconnect smart entrance control unit connector, tyre pressure
monitoring control unit connector and combination meter con-
nector.
4.
Check continuity between smart entrance control unit harness
connector M41 terminals 8 (L), 11 (R) and tyre pressure monitor-
ing control unit harness connector M129 terminals 7 (L), 5 (R).
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-F9Q-136, “CAN Communication” 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
>> Repair harness.
8 (L) – 6 (L)
: Continuity should exist.
11 (R) – 14 (R)
: Continuity should exist.
MKIB0619E
8(L) – 7(L)
: Continuity should exist.
11(R) – 5(R)
: Continuity should exist.
PKIA0861E
LAN-114
[CAN]
CAN SYSTEM (TYPE 27)
Data Link Connector Circuit and ECM Circuit Check
EKS00B63
1.
CHECK CONNECTOR
1.
Turn ignition switch OFF.
2.
Disconnect the negative battery cable.
3.
Check following terminals and connector for damage, bend and loose connection. (control module side
and harness side)
–
ECM
–
Harness connector E125
–
Harness connector M130
OK or NG
OK
>> GO TO 2.
NG
>> Repair terminal or connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect the negative battery cable.
3.
Disconnect ECM connector and harness connector E125.
4.
Check continuity between ECM harness connector E81 termi-
nals 1 (L), 9 (R) and harness connector E125 terminals 5 (L), 4
(R).
OK or NG
OK
>> GO TO 3.
NG
>> Repair harness.
3.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Check continuity between harness connector M130 terminals 5
(L), 4 (R) and data link connector M10 terminals 6 (L), 14 (R).
OK or NG
OK
>> Replace ECM.
NG
>> Repair harness.
1(L) – 5(L)
: Continuity should exist.
9(R) – 4(R)
: Continuity should exist.
MKIB0657E
5(L) – 6(L)
: Continuity should exist.
4(R) – 14(R)
: Continuity should exist.
MKIB0658E
CAN SYSTEM (TYPE 27)
LAN-115
[CAN]
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LAN
ECM Circuit Check
EKS00B64
1.
CHECK CONNECTOR
1.
Turn ignition switch OFF.
2.
Disconnect the negative battery cable.
3.
Check following terminals and connector for damage, bend and loose connection. (control module side
and harness side)
●
ECM
●
Harness connector E125
●
Harness connector M130
OK or NG
OK
>> GO TO 2.
NG
>> Repair terminal or connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect ECM connector.
2.
Check resistance between ECM harness connector E81 termi-
nals 1 (L) and 9 (R).
OK or NG
OK
>> Replace ECM.
NG
>> Repair harness between Data link connector and ECM.
1 (L) – 9 (R)
: Approx. 108 – 132
Ω
MKIB0620E
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