Nissan Titan A60. Manual — part 14
ADP-46
< DTC/CIRCUIT DIAGNOSIS >
B2128 UART COMMUNICATION LINE
4. Check continuity between driver seat control unit harness connector and ground.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-39, "Intermittent Incident"
.
NO
>> Repair or replace harness.
B202
1
M33
10
Yes
17
26
Driver seat control unit con-
nector
Terminal
Ground
Continuity
B202
1
No
17
POWER SUPPLY AND GROUND CIRCUIT
ADP-47
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
K
L
M
A
B
ADP
N
O
P
POWER SUPPLY AND GROUND CIRCUIT
BCM
BCM : Diagnosis Procedure
INFOID:0000000006163486
1.
CHECK FUSES AND FUSIBLE LINK
Check that the following fuses and fusible link are not blown.
Is the fuse blown?
YES
>> Replace the blown fuse or fusible link after repairing the affected circuit.
NO
>> GO TO 2
2.
CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM.
3. Check voltage between BCM harness connector and ground.
Is the measurement value normal?
YES
>> GO TO 3
NO
>> Repair or replace harness.
3.
CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
Does continuity exist?
YES
>> Inspection End.
NO
>> Repair or replace harness.
DRIVER SEAT CONTROL UNIT
Terminal No.
Signal name
Fuses and fusible link No.
57
Battery power supply
22 (15A)
70
F (50A)
11
Ignition ACC or ON
4 (10A)
38
Ignition ON or START
59 (10A)
Connector
Terminals
Power
source
Condition
Voltage (V) (Ap-
prox.)
(+)
(-)
M18
11
Ground
ACC
power
supply
Ignition
switch
ACC or
ON
Battery voltage
38
Ground
Ignition
power
supply
Ignition
switch ON
or START
Battery voltage
M20
57
Ground
Battery
power
supply
Ignition
switch
OFF
Battery voltage
70
Ground
Battery
power
supply
Ignition
switch
OFF
Battery voltage
LIIA2415E
BCM
Ground
Continuity
Connector
Terminal
M20
67
Yes
LIIA0915E
ADP-48
< DTC/CIRCUIT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
DRIVER SEAT CONTROL UNIT : Diagnosis Procedure
INFOID:0000000006163487
NOTE:
Do not disconnect the battery negative terminal and the driver seat control unit connector until DTC is con-
firmed with CONSULT-III.
Regarding Wiring Diagram information, refer to
1.
CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit.
3. Check voltage between driver seat control unit harness connec-
tor and ground.
Is the inspection result normal?
YES
>> GO TO 2
NO
>> Check the following.
• Repair or replace harness.
• Circuit breaker.
2.
CHECK GROUND CIRCUIT
Check continuity between the driver seat control unit harness con-
nector and ground.
Is the inspection result normal?
YES
>> Driver seat control unit power supply and ground circuit
are OK.
NO
>> Repair or replace harness.
DRIVER SEAT CONTROL UNIT : Special Repair Requirement
INFOID:0000000006163488
1.
PERFORM ADDITIONAL SERVICE
Perform additional service when removing battery negative terminal.
>> Refer to Owner’s Manual.
AUTOMATIC DRIVE POSITIONER CONTROL UNIT
Terminals
Power
source
Condition
Voltage (V)
(Approx.)
(+)
(–)
Driver seat
control unit
connector
Terminal
B202
6
Ground
START
power sup-
ply
Ignition
switch
START
Battery
voltage
B203
33
Battery
power sup-
ply
Ignition
switch
OFF
40
LIIA1897E
Driver seat control unit
connector
Terminal
Ground
Continuity
B202
32
Yes
B203
48
PIIA4542E
POWER SUPPLY AND GROUND CIRCUIT
ADP-49
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
K
L
M
A
B
ADP
N
O
P
AUTOMATIC DRIVE POSITIONER CONTROL UNIT : Diagnosis Procedure
INFOID:0000000006163489
NOTE:
Do not disconnect the battery negative terminal and the driver seat control unit connector until DTC is con-
firmed with CONSULT-III.
Regarding Wiring Diagram information, refer to
1.
CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect the automatic drive positioner control unit.
3. Check voltage between automatic drive positioner control unit
harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2
NO
>> Repair or replace harness.
2.
CHECK GROUND CIRCUIT
Check continuity between the automatic drive positioner control unit
harness connector and ground.
Is the inspection result normal?
YES
>> Automatic drive positioner control unit power supply and
ground circuit are OK.
NO
>> Repair or replace harness.
AUTOMATIC DRIVE POSITIONER CONTROL UNIT : Special Repair Requirement
INFOID:0000000006163490
1.
PERFORM ADDITIONAL SERVICE
Perform additional service when removing battery negative terminal.
>> Refer to Owner’s Manual.
Terminals
Voltage (V)
(Approx.)
(+)
(–)
Automatic drive positioner
control unit connector
Terminal
M34
34
Ground
Battery voltage
39
PIIA4543E
Automatic drive positioner
control unit connector
Terminal
Ground
Continuity
M34
40
Yes
48
PIIA4544E
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