Infiniti EX35. Manual — part 996
LAN
MAIN LINE BETWEEN TCM AND ADP CIRCUIT
LAN-43
< COMPONENT DIAGNOSIS >
[CAN]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
MAIN LINE BETWEEN TCM AND ADP CIRCUIT
Diagnosis Procedure
INFOID:0000000003514553
INSPECTION PROCEDURE
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 M7
-
Harness connector B1
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.
-
Harness connectors F103 and M116
-
Harness connectors M7 and B1
2.
Check the continuity between the harness connectors.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair the main line between the harness connectors M116 and M7.
3.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
Check the continuity between the harness connector terminals.
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 TCM and the driver seat control unit.
NO
>> Repair the main line between the harness connector B1 and the driver seat control unit.
Harness connector
Harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
M116
44
M7
34
Existed
43
35
Existed
Connector No.
Terminal No.
Continuity
B1
34
36
Existed
35
37
Existed
LAN-44
< COMPONENT DIAGNOSIS >
[CAN]
MAIN LINE BETWEEN ADP AND ABS CIRCUIT
MAIN LINE BETWEEN ADP AND ABS CIRCUIT
Diagnosis Procedure
INFOID:0000000003137643
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 B1
-
Harness connector M7
-
Harness connector M6
-
Harness connector E106
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 B1 and M7.
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 B1.
3.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1.
Disconnect the harness connectors M6 and E106.
2.
Check the continuity between the harness connectors.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair the main line between the harness connectors M7 and M6.
4.
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.
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 ABS actu-
ator and electric unit (control unit).
Connector No.
Terminal No.
Continuity
B1
36
34
Existed
37
35
Existed
Harness connector
Harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
M7
36
M6
82
Existed
37
81
Existed
Harness connector
ABS actuator and electric unit (control unit)
harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
E106
82
E41
35
Existed
81
14
Existed
LAN
MAIN LINE BETWEEN ADP AND ABS CIRCUIT
LAN-45
< COMPONENT DIAGNOSIS >
[CAN]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
NO
>> Repair the main line between the harness connector E106 and the ABS actuator and electric unit
(control unit).
LAN-46
< COMPONENT DIAGNOSIS >
[CAN]
ECM BRANCH LINE CIRCUIT
ECM BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000003137645
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 ECM 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 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-15, "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.
M107
114
113
Approx. 108 – 132
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