Infiniti QX56 (JA60). Manual — part 16
RECLINING SWITCH
ADP-55
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
K
L
M
A
B
ADP
N
O
P
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-69, "Disassembly and Assembly"
Terminals
Condition
Continuity
Power seat switch LH
7
3
Reclining switch
(backward)
Operate
Yes
Release
No
4
Reclining switch
(forward)
Operate
Yes
Release
No
ALJIA0311ZZ
ADP-56
< COMPONENT DIAGNOSIS >
LIFTING SWITCH (FRONT)
LIFTING SWITCH (FRONT)
Description
INFOID:0000000005147490
Lifting switch (front) is equipped to the power seat switch LH on the seat cushion trim cover. The operation sig-
nal is input to the driver seat control unit when the lifting switch (front) is operated.
Component Function Check
INFOID:0000000005147491
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
>> Inspection End.
NO
>> Perform diagnosis procedure. Refer to
Diagnosis Procedure
INFOID:0000000005147492
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 connec-
tor and ground.
Is the inspection result normal?
YES
>> GO TO 5
NO
>> GO TO 2
2.
CHECK LIFTING SWITCH (FRONT) CIRCUIT
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.)
(+)
(–)
B202
13
Ground
Lifting
switch
(front)
Operate
(down)
0V
Release
Battery
voltage
28
Operate (up)
0V
Release
Battery
voltage
PIIA4583E
LIFTING SWITCH (FRONT)
ADP-57
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
K
L
M
A
B
ADP
N
O
P
1. Disconnect driver seat control unit and power seat switch LH.
2. Check continuity between driver seat control unit harness con-
nector and power seat switch LH harness connector.
3. Check continuity between driver seat control unit harness con-
nector 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 OFF.
3. Check voltage between driver seat control unit harness connec-
tor and ground.
Is the inspection result normal?
YES
>> GO TO 4
NO
>> Replace driver seat control unit. Refer to
ADP-174, "Removal and Installation"
4.
CHECK LIFTING SWITCH (FRONT)
ADP-57, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 5
NO
>> Replace power seat switch LH. Refer to
SE-69, "Disassembly and Assembly"
5.
CHECK INTERMITTENT INCIDENT
GI-38, "Intermittent Incident"
.
Is the inspection result normal?
YES
>> Replace driver seat control unit. Refer to
ADP-174, "Removal and Installation"
NO
>> Repair or replace the malfunctioning part.
Component Inspection
INFOID:0000000005147493
1.
CHECK LIFTING SWITCH (FRONT)
Driver seat control
unit connector
Terminal
Power seat switch
LH connector
Terminal
Continuity
B202 (A)
13
B208 (B)
9
Yes
28
10
Driver seat control unit
connector
Terminal
Ground
Continuity
B202 (A)
13
No
28
ALJIA0312ZZ
Driver seat control unit
connector
Terminals
Voltage (V)
(Approx.)
(+)
(–)
B202
13
Ground
Battery voltage
28
PIIA4583E
ADP-58
< COMPONENT DIAGNOSIS >
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-69, "Disassembly and Assembly"
Terminal
Condition
Continuity
Power seat switch LH
7
9
Lifting switch front (down)
Operate
Yes
Release
No
10
Lifting switch front (up)
Operate
Yes
Release
No
ALJIA0313ZZ
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