Nissan Tiida C11. Instruction — part 960
LAN
ECM BRANCH LINE CIRCUIT
LAN-97
< COMPONENT DIAGNOSIS >
[CAN SYSTEM (TYPE 4)]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
ECM BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000001334374
1.
CHECK CONNECTOR
1.
Turn the ignition switch OFF.
2.
Disconnect the battery cable from the negative terminal.
3.
Check the following terminals and connectors for damage, bend and loose connection (unit side and con-
nector side).
-
ECM
-
Harness connector E7
-
Harness connector M69
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminal and connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect the connector of ECM.
2.
Check the resistance between the ECM harness connector terminals.
-
Diesel engine models
-
Gasoline engine models
Is the measurement value within the specification?
YES
>> GO TO 3.
NO
>> Repair the ECM branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the ECM. Refer to the following.
• K9K:
EC-1106, "Diagnosis Procedure"
• HR16DE (With EURO-OBD):
• HR16DE (Without EURO-OBD):
Is the inspection result normal?
YES (Present error)>>Replace the ECM. Refer to the following.
EC-1054, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair
• HR16DE (With EURO-OBD):
EC-25, "ADDITIONAL SERVICE WHEN REPLACING CONTROL
UNIT : Special Repair Requirement"
EC-388, "ADDITIONAL SERVICE WHEN REPLACING CON-
TROL UNIT : Special Repair Requirement"
• MR18DE:
EC-692, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special
YES (Past error)>>Error was detected in the ECM branch line.
NO
>> Repair the power supply and the ground circuit.
ECM harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
E16
100
99
Approx. 108 – 132
ECM harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
E16
84
83
Approx. 108 – 132
LAN-98
< COMPONENT DIAGNOSIS >
[CAN SYSTEM (TYPE 4)]
BCM BRANCH LINE CIRCUIT
BCM BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000001334376
1.
CHECK CONNECTOR
1.
Turn the ignition switch OFF.
2.
Disconnect the battery cable from the negative terminal.
3.
Check the terminals and connectors of the BCM for damage, bend and loose connection (unit side and
connector side).
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminal and connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect the connector of BCM.
2.
Check the resistance between the BCM harness connector terminals.
Is the measurement value within the specification?
YES
>> GO TO 3.
NO
>> Repair the BCM branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the BCM. Refer to
Is the inspection result normal?
YES (Present error)>>Replace the BCM. Refer to
BCS-57, "Removal and Installation of BCM"
.
YES (Past error)>>Error was detected in the BCM branch line.
NO
>> Repair the power supply and the ground circuit.
BCM harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
M18
19
39
Approx. 54 – 66
LAN
DLC BRANCH LINE CIRCUIT
LAN-99
< COMPONENT DIAGNOSIS >
[CAN SYSTEM (TYPE 4)]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
DLC BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000001334377
INSPECTION PROCEDURE
1.
CHECK CONNECTOR
1.
Turn the ignition switch OFF.
2.
Disconnect the battery cable from the negative terminal.
3.
Check the terminals and connectors of the data link connector for damage, bend and loose connection
(connector side and harness side).
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminal and connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
Check the resistance between the data link connector terminals.
Is the measurement value within the specification?
YES (Present error)>>Check the CAN system type decision again.
YES (Past error)>>Error was detected in the data link connector branch line circuit.
NO
>> Repair the data link connector branch line.
Data link connector
Resistance (
Ω
)
Connector No.
Terminal No.
M22
6
14
Approx. 54 – 66
LAN-100
< COMPONENT DIAGNOSIS >
[CAN SYSTEM (TYPE 4)]
EPS BRANCH LINE CIRCUIT
EPS BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000001334378
INSPECTION PROCEDURE
1.
CHECK CONNECTOR
1.
Turn the ignition switch OFF.
2.
Disconnect the battery cable from the negative terminal.
3.
Check the terminals and connectors of the EPS control unit for damage, bend and loose connection (unit
side and connector side).
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminal and connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect the connector of EPS control unit.
2.
Check the resistance between the EPS control unit harness connector terminals.
Is the measurement value within the specification?
YES
>> GO TO 3.
NO
>> Repair the EPS control unit branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the EPS control unit. Refer to
.
Is the inspection result normal?
YES (Present error)>>Replace the EPS control unit. Refer to
ST-9, "Removal and Installation"
.
YES (Past error)>>Error was detected in the EPS control unit branch line.
NO
>> Repair the power supply and the ground circuit.
EPS control unit harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
M53
9
16
Approx. 54 – 66
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