Nissan Versa Sedan. Instruction — part 554
LAN-94
< DTC/CIRCUIT DIAGNOSIS >
[CAN SYSTEM (TYPE 4)]
TCM BRANCH LINE CIRCUIT
TCM BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000009642890
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 F8
-
Harness connector E8
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.
-
CVT models
-
A/T models
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. Refer to the following.
• CVT models:
• A/T models:
Is the inspection result normal?
YES (Present error)>>Replace the TCM. Refer to the following.
• CVT models:
TM-437, "Removal and Installation"
• A/T models:
TM-241, "Removal and Installation"
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.
F44
33
23
Approx. 54 – 66
TCM harness connector
Resistance (
Ω)
Connector No.
Terminal No.
F57
33
23
Approx. 54 – 66
LAN
A-BAG BRANCH LINE CIRCUIT
LAN-95
< DTC/CIRCUIT DIAGNOSIS >
[CAN SYSTEM (TYPE 4)]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
A-BAG BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000009642891
WARNING:
Always observe the following items for preventing accidental activation.
• Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait 3 minutes
or more. (To discharge backup capacitor.)
• Never use unspecified tester or other measuring device.
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 air bag diagnosis sensor unit for damage, bend and loose con-
nection (unit side and connector side).
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace the main harness.
2.
CHECK AIR BAG DIAGNOSIS SENSOR UNIT
Check the air bag diagnosis sensor unit. Refer to
Is the inspection result normal?
YES
>> Replace the main harness.
NO
>> Replace parts whose air bag system has a malfunction.
LAN-96
< DTC/CIRCUIT DIAGNOSIS >
[CAN SYSTEM (TYPE 4)]
AV BRANCH LINE CIRCUIT
AV BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000009642892
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 AV 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 AV control unit.
2. Check the resistance between the AV control unit harness connector terminals.
Is the measurement value within the specification?
YES
>> GO TO 3.
NO
>> Repair the AV control unit branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the AV control unit. Refer to
Is the inspection result normal?
YES (Present error)>>Replace the AV control unit. Refer to
AV-222, "Removal and Installation"
YES (Past error)>>Error was detected in the AV control unit branch line.
NO
>> Repair the power supply and the ground circuit.
AV control unit harness connector
Resistance (
Ω)
Connector No.
Terminal No.
M70
8
17
Approx. 54 – 66
LAN
DLC BRANCH LINE CIRCUIT
LAN-97
< DTC/CIRCUIT 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:0000000009642893
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.
M22
6
14
Approx. 54 – 66
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