Nissan Teana J32. Instruction — part 13
POWER SUPPLY AND GROUND CIRCUIT
ADP-45
< COMPONENT DIAGNOSIS >
C
D
E
F
G
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M
A
B
ADP
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POWER SUPPLY AND GROUND CIRCUIT
DRIVER SEAT CONTROL UNIT
DRIVER SEAT CONTROL UNIT : Diagnosis Procedure
INFOID:0000000003759115
NOTE:
Do not disconnect the battery negative terminal and the driver seat control unit connector until DTC is con-
firmed with CONSULT-III.
1.
CHECK FUSIBLE LINK
1.
Turn ignition switch OFF.
2.
Check that the following fusible link is not blown.
Is the fusible link blown?
YES
>> Replace the blown fusible link after repairing the affected circuit if a fusible link is blown.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY CIRCUIT
1.
Disconnect driver seat control unit connector.
2.
Check voltage between driver seat control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO-1
>> Repair or replace harness.
NO-2
>> Check circuit breaker.
3.
CHECK GROUND CIRCUIT
Check continuity between the driver seat control unit harness connector and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair or replace harness.
Terminal No.
Signal name
Fusible link No.
1
Battery power supply
I (40A)
(+)
(–)
Voltage (V)
(Approx.)
Driver seat control unit
Connector
Terminals
B451
1
Ground
Battery voltage
Driver seat control unit
Ground
Continuity
Connector
Terminal
B451
2
Existed
B452
35
ADP-46
< COMPONENT DIAGNOSIS >
SLIDING SWITCH
SLIDING SWITCH
Description
INFOID:0000000003759119
Sliding switch is equipped to the power seat switch on the seat cushion side surface. The operation signal is
inputted to the driver seat control unit when the sliding switch is operated.
Component Function Check
INFOID:0000000003759120
1.
CHECK FUNCTION
1.
Select “SLIDE SW-FR”, “SLIDE SW-RR” in “Data monitor” mode with CONSULT-III.
2.
Check sliding switch signal under the following conditions.
Is the indication normal?
YES
>> Sliding switch function is OK.
NO
>> Refer to
Diagnosis Procedure
INFOID:0000000003759121
1.
CHECK SLIDING SWITCH INPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect power seat switch (driver side) connector.
3.
Check voltage between power seat switch (driver side) harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK SLIDING SWITCH CIRCUIT
1.
Disconnect driver seat control unit connector.
2.
Check continuity between driver seat control unit harness connector and power seat switch (driver side)
harness connector.
3.
Check continuity between driver seat control unit harness connector and ground.
Monitor item
Condition
Status
SLIDE SW-FR
Sliding switch (forward)
Operate
ON
Release
OFF
SLIDE SW-RR
Sliding switch (backward)
Operate
ON
Release
OFF
(+)
(–)
Voltage (V)
(Approx.)
Power seat switch (driver side)
Connector
Terminal
B459
11
Ground
Battery voltage
12
Driver seat control unit
Power seat switch (driver side)
Continuity
Connector
Terminal
Connector
Terminal
B452
11
B459
11
Existed
12
12
Driver seat control unit
Ground
Continuity
Connector
Terminal
B452
11
Not existed
12
SLIDING SWITCH
ADP-47
< COMPONENT DIAGNOSIS >
C
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F
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B
ADP
N
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Is the inspection result normal?
YES
>> Replace driver seat control unit. Refer to
ADP-136, "Removal and Installation"
NO
>> Repair or replace harness.
3.
CHECK SLIDING SWITCH
ADP-47, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace power seat switch (driver side). Refer to
ADP-138, "Removal and Installation"
4.
CHECK INTERMITTENT INCIDENT
GI-35, "Intermittent Incident"
.
>> INSPECTION END
Component Inspection
INFOID:0000000003759122
1.
CHECK SLIDING SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect power seat switch (driver side) connector.
3.
Check continuity between power seat switch (driver side) terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace power seat switch (driver side). Refer to
ADP-138, "Removal and Installation"
.
Power seat switch (driver side)
Condition
Continuity
Terminal
36
11
Sliding switch (backward)
Operate
Existed
Release
Not existed
12
Sliding switch (forward)
Operate
Existed
Release
Not existed
ADP-48
< COMPONENT DIAGNOSIS >
RECLINING SWITCH
RECLINING SWITCH
Description
INFOID:0000000003759123
Reclining switch is equipped to the power seat switch on the seat cushion side surface. The operation signal is
inputted to the driver seat control unit when the reclining switch is operated.
Component Function Check
INFOID:0000000003759124
1.
CHECK FUNCTION
1.
Select “RECLN SW-FR”, “RECLN SW-RR” in “Data monitor” mode with CONSULT-III.
2.
Check reclining switch signal under the following conditions.
Is the indication normal?
YES
>> Reclining switch function is OK.
NO
>> Refer to
Diagnosis Procedure
INFOID:0000000003759125
1.
CHECK RECLINING SWITCH INPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect power seat switch (driver side) connector.
3.
Check voltage between power seat switch (driver side) harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK RECLINING SWITCH CIRCUIT
1.
Disconnect driver seat control unit connector.
2.
Check continuity between driver seat control unit harness connector and power seat switch (driver side)
harness connector.
3.
Check continuity between driver seat control unit harness connector and ground.
Monitor item
Condition
Status
RECLN SW-FR
Reclining switch (forward)
Operate
ON
Release
OFF
RECLN SW-RR
Reclining switch (backward)
Operate
ON
Release
OFF
(+)
(–)
Voltage (V)
(Approx.)
Power seat switch (driver side)
Connector
Terminals
B459
13
Ground
Battery voltage
14
Driver seat control unit
Power seat switch (driver side)
Continuity
Connector
Terminal
Connector
Terminal
B452
13
B459
13
Existed
14
14
Driver seat control unit
Ground
Continuity
Connector
Terminal
B452
13
Not existed
14
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