Nissan Teana J32. Instruction — part 790
LAN-90
< COMPONENT DIAGNOSIS >
[CAN SYSTEM (TYPE 9)]
MAIN LINE BETWEEN ADP AND DLC CIRCUIT
COMPONENT DIAGNOSIS
MAIN LINE BETWEEN ADP AND DLC CIRCUIT
Diagnosis Procedure
INFOID:0000000004459804
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 (connector side
and harness side).
-
Harness connector B11
-
Harness connector M77
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminal and connector.
2.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1.
Disconnect the harness connectors B11 and M77.
2.
Check the continuity between the harness connector terminals.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair the main line between the driver seat control unit and the harness connector B11.
3.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
Check the continuity between the harness connector and the data link connector.
Is the inspection result normal?
YES (Present error)>>Check CAN system type decision again.
YES (Past error)>>Error was detected in the main line between the driver seat control unit and the data link
connector.
NO
>> Repair the main line between the harness connector M77 and the data link connector.
Connector No.
Terminal No.
Continuity
B11
19
44
Existed
18
43
Harness connector
Data link connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
M77
44
M4
6
Existed
43
14
Existed
LAN
MAIN LINE BETWEEN DLC AND BCM CIRCUIT
LAN-91
< COMPONENT DIAGNOSIS >
[CAN SYSTEM (TYPE 9)]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
MAIN LINE BETWEEN DLC AND BCM CIRCUIT
Diagnosis Procedure
INFOID:0000000004459805
INSPECTION PROCEDURE
1.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1.
Turn the ignition switch OFF.
2.
Disconnect the battery cable from the negative terminal.
3.
Disconnect the following harness connectors.
-
ECM
-
BCM
4.
Check the continuity between the data link connector and the BCM harness connector.
Is the inspection result normal?
YES (Present error)>>Check CAN system type decision again.
YES (Past error)>>Error was detected in the main line between the data link connector and the BCM.
NO
>> Repair the main line between the data link connector and the BCM.
Data link connector
BCM harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
M4
6
M122
91
Existed
14
90
Existed
LAN-92
< COMPONENT DIAGNOSIS >
[CAN SYSTEM (TYPE 9)]
MAIN LINE BETWEEN BCM AND ABS CIRCUIT
MAIN LINE BETWEEN BCM AND ABS CIRCUIT
Diagnosis Procedure
INFOID:0000000004459806
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 (connector side
and harness side).
-
Harness connector M11
-
Harness connector E105
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminal and connector.
2.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1.
Disconnect the following harness connectors.
-
BCM
-
Harness connectors M11 and E105
2.
Check the continuity between the BCM harness connector and the harness connector.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair the main line between the BCM and the harness connector M11.
3.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1.
Disconnect the connector of ABS actuator and electric unit (control unit).
2.
Check the continuity between the harness connector and the ABS actuator and electric unit (control unit)
harness connector.
-
Models with ABS
-
Models with VDC
Is the inspection result normal?
YES (Present error)>>Check CAN system type decision again.
YES (Past error)>>Error was detected in the main line between the BCM and the ABS actuator and electric
unit (control unit).
NO
>> Repair the main line between the harness connector E105 and the ABS actuator and electric unit
(control unit).
BCM harness connector
Harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
M122
91
M11
12
Existed
90
11
Existed
Harness connector
ABS actuator and electric unit (control unit)
harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
E105
12
E34
26
Existed
11
15
Existed
Harness connector
ABS actuator and electric unit (control unit)
harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
E105
12
E36
26
Existed
11
15
Existed
LAN
ECM BRANCH LINE CIRCUIT
LAN-93
< COMPONENT DIAGNOSIS >
[CAN SYSTEM (TYPE 9)]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
ECM BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000003841809
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 E105
-
Harness connector M11
-
Harness connector M77 (Models with automatic drive positioner)
-
Harness connector B11 (Models with automatic drive positioner)
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.
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
Is the inspection result normal?
YES (Present error)>>Replace the ECM. Refer to
EC-14, "ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Special Repair Requirement"
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
98
97
Approx. 108 – 132
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