Nissan March K13. Instruction — part 441
LAN-52
< DTC/CIRCUIT DIAGNOSIS >
[CAN SYSTEM (TYPE 3)]
TCM BRANCH LINE CIRCUIT
TCM BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000006044414
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).
-
TCM
-
Harness connector F46
-
Harness connector E6
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 TCM.
2.
Check the resistance between the TCM harness connector terminals.
Is the measurement value within the specification?
YES
>> GO TO 3.
NO
>> Repair the TCM branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the TCM.
Is the inspection result normal?
YES (Present error)>>Replace the TCM.
YES (Past error)>>Error was detected in the TCM branch line.
NO
>> Repair the power supply and the ground circuit.
TCM harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
F18
33
23
Approx. 54 – 66
LAN
DLC BRANCH LINE CIRCUIT
LAN-53
< DTC/CIRCUIT DIAGNOSIS >
[CAN SYSTEM (TYPE 3)]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
DLC BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000006044416
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 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.
M4
6
14
Approx. 54 – 66
LAN-54
< DTC/CIRCUIT DIAGNOSIS >
[CAN SYSTEM (TYPE 3)]
EPS BRANCH LINE CIRCUIT
EPS BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000006044417
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
STC-34, "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.
M37
8
3
Approx. 54 – 66
LAN
M&A BRANCH LINE CIRCUIT
LAN-55
< DTC/CIRCUIT DIAGNOSIS >
[CAN SYSTEM (TYPE 3)]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
M&A BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000006044418
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 combination meter 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 combination meter.
2.
Check the resistance between the combination meter harness connector terminals.
Is the measurement value within the specification?
YES
>> GO TO 3.
NO
>> Repair the combination meter branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the combination meter. Refer to
Is the inspection result normal?
YES (Present error)>>Replace the combination meter. Refer to
MWI-51, "Removal and Installation"
YES (Past error)>>Error was detected in the combination meter branch line.
NO
>> Repair the power supply and the ground circuit.
Combination meter harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
M34
8
10
Approx. 54 – 66
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