Nissan Maxima. Instruction — part 15
ADP-52
< DTC/CIRCUIT DIAGNOSIS >
RECLINING SWITCH
RECLINING SWITCH
Description
INFOID:0000000010051735
Reclining switch is equipped to the power seat switch LH on the seat frame. The operation signal is input to
the driver seat control unit when the reclining switch is operated.
Component Function Check
INFOID:0000000010051736
1.
CHECK FUNCTION
1. Select “RECLN SW-FR”, “RECLN SW-RR” in “DATA MONITOR” mode with CONSULT.
2. Check reclining switch signal under the following conditions.
Is the indication normal?
YES
>> Inspection End.
NO
>> Perform diagnosis procedure. Refer to
Diagnosis Procedure
INFOID:0000000010051737
Regarding Wiring Diagram information, refer to
1.
CHECK RECLINING SWITCH SIGNAL
1. Turn ignition switch OFF.
2. Check voltage between driver seat control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5
NO
>> GO TO 2
2.
CHECK RECLINING SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit and power seat switch LH.
3. Check continuity between driver seat control unit harness connector and power seat switch LH harness
connector.
Monitor item
Condition
Status
RECLN SW-FR
Reclining switch (forward)
Operate
ON
Release
OFF
RECLN SW-RR
Reclining switch (backward)
Operate
ON
Release
OFF
Driver seat control unit
connector
Terminals
Condition
Voltage (V)
(Approx.)
(+)
(–)
B203
24
Ground
Reclining switch
Operate (forward)
0
Release
Battery voltage
8
Operate (back-
ward)
0
Release
Battery voltage
Driver seat control unit connec-
tor
Terminal
Power seat switch LH connec-
tor
Terminal
Continuity
B203
24
B213
5
Yes
8
10
RECLINING SWITCH
ADP-53
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
K
L
M
A
B
ADP
N
O
P
4. Check continuity between driver seat control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair or replace harness.
3.
CHECK DRIVER SEAT CONTROL UNIT OUTPUT
1. Connect the driver seat control unit.
2. Turn ignition switch ON.
3. Check voltage between driver seat control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4
NO
>> Replace driver seat control unit. Refer to
ADP-169, "Removal and Installation"
4.
CHECK RECLINING SWITCH
ADP-51, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 5
NO
>> Replace power seat switch LH. Refer to
SE-77, "DRIVER SIDE : Disassembly and Assembly"
.
5.
CHECK INTERMITTENT INCIDENT
GI-41, "Intermittent Incident"
.
Is the inspection result normal?
YES
>> Replace driver seat control unit. Refer to
ADP-169, "Removal and Installation"
NO
>> Repair or replace the malfunctioning part.
Component Inspection
INFOID:0000000010051738
1.
CHECK RECLINING SWITCH
1. Turn ignition switch OFF.
2. Disconnect power seat switch LH.
3. Check continuity between power seat switch LH terminals.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace power seat switch LH. Refer to
SE-77, "DRIVER SIDE : Disassembly and Assembly"
.
Driver seat control unit
connector
Terminal
Ground
Continuity
B203
24
No
8
Driver seat control unit connector
Terminals
Voltage (V)
(Approx.)
(+)
(–)
B203
8
Ground
Battery voltage
24
Terminals
Condition
Continuity
Power seat switch LH
3
10
Reclining switch
(backward)
Operate
Yes
Release
No
5
Reclining switch
(forward)
Operate
Yes
Release
No
ADP-54
< DTC/CIRCUIT DIAGNOSIS >
LIFTING SWITCH (FRONT)
LIFTING SWITCH (FRONT)
Description
INFOID:0000000010051739
Lifting switch (front) is equipped to the power seat switch LH on the seat frame. The operation signal is input to
the driver seat control unit when the lifting switch (front) is operated.
Component Function Check
INFOID:0000000010051740
1.
CHECK FUNCTION
1. Select “LIFT FR SW-UP”, “LIFT FR SW-DN” in “DATA MONITOR” mode with CONSULT.
2. Check lifting switch (front) signal under the following conditions.
Is the indication normal?
YES
>> Inspection End.
NO
>> Perform diagnosis procedure. Refer to
Diagnosis Procedure
INFOID:0000000010051741
Regarding Wiring Diagram information, refer to
1.
CHECK LIFTING SWITCH SIGNAL
1. Turn ignition switch OFF.
2. Check voltage between driver seat control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5
NO
>> GO TO 2
2.
CHECK LIFTING SWITCH (FRONT) CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit and power seat switch LH.
3. Check continuity between driver seat control unit harness connector and power seat switch LH harness
connector.
4. 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
Driver seat control unit
connector
Terminals
Condition
Voltage (V)
(Approx.)
(+)
(–)
B203
7
Ground
Lifting switch
(front)
Operate (down)
0V
Release
Battery voltage
23
Operate (up)
0V
Release
Battery voltage
Driver seat control unit connector
Terminal
Power seat switch LH connec-
tor
Terminal
Continuity
B203
7
B213
1
Yes
23
2
LIFTING SWITCH (FRONT)
ADP-55
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
K
L
M
A
B
ADP
N
O
P
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair or replace harness.
3.
CHECK DRIVER SEAT CONTROL UNIT OUTPUT
1. Connect the driver seat control unit.
2. Turn ignition switch ON.
3. Check voltage between driver seat control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4
NO
>> Replace driver seat control unit. Refer to
ADP-169, "Removal and Installation"
4.
CHECK LIFTING SWITCH (FRONT)
ADP-55, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 5
NO
>> Replace power seat switch LH. Refer to
SE-77, "DRIVER SIDE : Disassembly and Assembly"
.
5.
CHECK INTERMITTENT INCIDENT
GI-41, "Intermittent Incident"
.
Is the inspection result normal?
YES
>> Replace driver seat control unit. Refer to
ADP-169, "Removal and Installation"
NO
>> Repair or replace the malfunctioning part.
Component Inspection
INFOID:0000000010051742
1.
CHECK LIFTING SWITCH (FRONT)
1. Turn ignition switch OFF.
2. Disconnect power seat switch LH.
3. Check continuity between power seat switch LH terminals.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace power seat switch LH. Refer to
SE-77, "DRIVER SIDE : Disassembly and Assembly"
.
Driver seat control unit
connector
Terminal
Ground
Continuity
B203
7
No
23
Driver seat control unit
connector
Terminals
Voltage (V)
(Approx.)
(+)
(–)
B203
7
Ground
Battery voltage
23
Terminal
Condition
Continuity
Power seat switch LH
3
1
Lifting switch front (down)
Operate
Yes
Release
No
2
Lifting switch front (up)
Operate
Yes
Release
No
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