NISSAN TEANA 2008 Workshop Manual

POWER SUPPLY AND GROUND CIRCUIT
ADP-45
< COMPONENT DIAGNOSIS >
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POWER SUPPLY AND GROUND CIRCUIT
DRIVER SEAT CONTROL UNIT
DRIVER SEAT CONTROL UNIT : Diagnosis ProcedureINFOID: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
GroundContinuity
Connector Terminal
B451 2
Existed
B452 35

ADP-46
< COMPONENT DIAGNOSIS >
SLIDING SWITCH
SLIDING SWITCH
DescriptionINFOID: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 CheckINFOID: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 ADP-46, "
DiagnosisProcedure".
Diagnosis ProcedureINFOID: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
B45911
Ground Battery voltage
12
Driver seat control unit Power seat switch (driver side)
Continuity
Connector Terminal Connector Terminal
B45211
B45911
Existed
12 12
Driver seat control unit
GroundContinuity
Connector Terminal
B45211
Not existed
12

SLIDING SWITCH
ADP-47
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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
Refer to 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
Refer to GI-35, "
Intermittent Incident".
>> INSPECTION END
Component InspectionINFOID: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
Te r m i n a l
3611 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
DescriptionINFOID: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 CheckINFOID: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 ADP-48, "
DiagnosisProcedure".
Diagnosis ProcedureINFOID: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
B45913
Ground Battery voltage
14
Driver seat control unit Power seat switch (driver side)
Continuity
Connector Terminal Connector Terminal
B45213
B45913
Existed
14 14
Driver seat control unit
GroundContinuity
Connector Terminal
B45213
Not existed
14

RECLINING SWITCH
ADP-49
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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 RECLINING SWITCH
Refer to ADP-49, "
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
Refer to GI-35, "
Intermittent Incident".
>> INSPECTION END
Component InspectionINFOID:0000000003759126
1.CHECK RECLINING 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
Te r m i n a l
3613 Reclining switch (backward)Operate Existed
Release Not existed
14 Reclining switch (forward)Operate Existed
Release Not existed

ADP-50
< COMPONENT DIAGNOSIS >
LIFTING SWITCH (FRONT)
LIFTING SWITCH (FRONT)
DescriptionINFOID:0000000003759127
Lifting switch (front) is equipped to the power seat switch on the seat cushion side surface. The operation sig-
nal is inputted to the driver seat control unit when the lifting switch (front) is operated.
Component Function CheckINFOID:0000000003759128
1.CHECK FUNCTION
1. Select “LIFT FR SW-UP”, “LIFT FR SW-DN” in “Data monitor” mode with CONSULT-III.
2. Check lifting switch (front) signal under the following conditions.
Is the indication normal?
YES >> Lifting switch (front) function is OK.
NO >> Refer to ADP-50, "
DiagnosisProcedure".
Diagnosis ProcedureINFOID:0000000003759129
1.CHECK LIFTING SWITCH (FRONT) 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 LIFTING SWITCH (FRONT) 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
LIFT FR SW-UP Lifting switch front (up)Operate ON
Release OFF
LIFT FR SW-DN Lifting switch front (down)Operate ON
Release OFF
(+)
(–)Voltage (V)
(Approx.) Power seat switch (driver side)
Connector Terminal
B45917
Ground Battery voltage
18
Driver seat control unit Power seat switch (driver side)
Continuity
Connector Terminal Connector Terminal
B45217
B45917
Existed
18 18
Driver seat control unit
GroundContinuity
Connector Terminal
B45217
Not existed
18

LIFTING SWITCH (FRONT)
ADP-51
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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 LIFTING SWITCH (FRONT)
Refer to ADP-51, "
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
Refer to GI-35, "
Intermittent Incident".
>> INSPECTION END
Component InspectionINFOID:0000000003759130
1.CHECK LIFTING SWITCH (FRONT)
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
Te r m i n a l
3617 Lifting switch front (down)Operate Existed
Release Not existed
18 Lifting switch front (up)Operate Existed
Release Not existed

ADP-52
< COMPONENT DIAGNOSIS >
LIFTING SWITCH (REAR)
LIFTING SWITCH (REAR)
DescriptionINFOID:0000000003759131
Lifting switch (rear) is equipped to the power seat switch on the seat cushion side surface. The operation sig-
nal is inputted to the driver seat control unit when the lifting switch (rear) is operated.
Component Function CheckINFOID:0000000003759132
1.CHECK FUNCTION
1. Select “LIFT RR SW-UP”, “LIFT RR SW-DN” in “Data monitor” mode with CONSULT-III.
2. Check lifting switch (rear) signal under the following conditions.
Is the indication normal?
YES >> Lifting switch (rear) function is OK.
NO >> Refer to ADP-52, "
DiagnosisProcedure".
Diagnosis ProcedureINFOID:0000000003759133
1.CHECK LIFTING SWITCH (REAR) 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 LIFTING SWITCH (REAR) 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
LIFT RR SW-UP Lifting switch rear (up)Operate ON
Release OFF
LIFT RR SW-DN Lifting switch rear (down)Operate ON
Release OFF
(+)
(–)Voltage (V)
(Approx.) Power seat switch (driver side)
Connector Terminal
B45915
Ground Battery voltage
16
Driver seat control unit Power seat switch (driver side)
Continuity
Connector Terminal Connector Terminal
B45215
B45915
Existed
16 16
Driver seat control unit
GroundContinuity
Connector Terminal
B45215
Not existed
16

LIFTING SWITCH (REAR)
ADP-53
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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 LIFTING SWITCH (REAR)
Refer to ADP-53, "
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
Refer to GI-35, "
Intermittent Incident".
>> INSPECTION END
Component InspectionINFOID:0000000003759134
1.CHECK LIFTING SWITCH (REAR)
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
Te r m i n a l
3615 Lifting switch rear (down)Operate Existed
Release Not existed
16 Lifting switch rear (up)Operate Existed
Release Not existed

ADP-54
< COMPONENT DIAGNOSIS >
SEAT MEMORY SWITCH
SEAT MEMORY SWITCH
DescriptionINFOID:0000000003759143
Memory switch and set switch are equipped on the seat memory switch installed to the driver side door trim.
The operation signal is inputted to the driver seat control unit when the memory switch and set switch is oper-
ated.
Component Function CheckINFOID:0000000003759144
1.CHECK FUNCTION
1. Select “MEMORY SW 1”, “MEMORY SW 2”, “SET SW” in “Data monitor” mode with CONSULT-III.
2. Check seat memory switch signal under the following conditions.
Is the indication normal?
YES >> Seat memory switch function is OK.
NO >> Refer to ADP-54, "
DiagnosisProcedure".
Diagnosis ProcedureINFOID:0000000003759145
1.CHECK SEAT MEMORY SWITCH OPERATION
Check seat memory switch operation.
Which is the malfunctioning switch?
All switches are NG>>GO TO 4.
Some switches are NG>>GO TO 2.
2.CHECK SEAT MEMORY SWITCH INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect seat memory switch connector.
3. Turn ignition switch ON.
4. Check voltage between seat memory switch harness connector and ground.
Is the inspection result normal?
YES >> GO TO 4.
NO >> GO TO 3.
3.CHECK MEMORY SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit connector.
3. Check continuity between driver seat control unit harness connector and seat memory switch harness
connector.
Monitor item Condition Status
MEMORY SW 1 Memory switch 1Press ON
Release OFF
MEMORY SW 2 Memory switch 2Press ON
Release OFF
SET SW Set switchPress ON
Release OFF
(+)
(–)Voltage (V)
(Approx.) Seat memory switch
Connector Terminal
D131
Ground 5 2
3