Nissan Titan A60. Instruction — part 698
LAN-88
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
DISP BRANCH LINE CIRCUIT
DISP BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000006179150
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 display 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 display control unit.
2. Check the resistance between the display control unit harness connector terminals.
Is the measurement value within the specification?
YES
>> GO TO 3.
NO
>> Repair the display control unit branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the display control unit. Refer to
TROL UNIT : Diagnosis Procedure"
Is the inspection result normal?
YES (Present error)>>Replace the display control unit. Refer to
AV-327, "Removal and Installation"
YES (Past error)>>Error was detected in the display control unit branch line.
NO
>> Repair the power supply and the ground circuit.
Display control unit harness connector
Resistance (
Ω)
Connector No.
Terminal No.
M95
25
26
Approx. 54 – 66
LAN
BCM BRANCH LINE CIRCUIT
LAN-89
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
BCM BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000006179151
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-53, "Removal and Installation"
.
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
39
40
Approx. 54 – 66
LAN-90
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
DLC BRANCH LINE CIRCUIT
DLC BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000006179152
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 following items again.
• Decision of CAN system type.
• Not received CONSULT-III data [SELF-DIAG RESULTS, CAN DIAG SUPPORT MNTR (“ECU
list” included)].
• Not copied from on-board diagnosis.
• Procedure for detecting root cause.
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
HVAC BRANCH LINE CIRCUIT
LAN-91
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
HVAC BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000006179153
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 front air control 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 front air control.
2. Check the resistance between the front air control harness connector terminals.
-
Models with auto A/C
-
Models with instruction 3 control dial system
-
Models with instruction 2 control dial system
Is the measurement value within the specification?
YES
>> GO TO 3.
NO
>> Repair the front air control branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the front air control. Refer to the following.
• Models with automatic air conditioner:
HAC-67, "Front Air Control Power and Ground Diagnosis Procedure"
• Models with instruction air conditioner - type 1:
HAC-150, "Front Air Control Power and Ground Diagnosis Pro-
• Models with instruction air conditioner - type 2:
HAC-227, "Front Air Control Power and Ground Diagnosis Pro-
Is the inspection result normal?
YES (Present error)>>Replace the front air control. Refer to
VTL-8, "Removal and Installation"
YES (Past error)>>Error was detected in the front air control branch line.
NO
>> Repair the power supply and the ground circuit.
Front air control harness connector
Resistance (
Ω)
Connector No.
Terminal No.
M50
37
36
Approx. 54 – 66
Front air control harness connector
Resistance (
Ω)
Connector No.
Terminal No.
M177
34
35
Approx. 54 – 66
Front air control harness connector
Resistance (
Ω)
Connector No.
Terminal No.
M181
37
36
Approx. 54 – 66
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