Infiniti QX56 (JA60). Manual — part 15
SLIDING SWITCH
ADP-51
< 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 ON.
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 SLIDING SWITCH
ADP-51, "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 malfunctioning part.
Component Inspection
INFOID:0000000005147485
1.
CHECK SLIDING SWITCH
Driver seat control
unit connector
Terminal
Power seat switch
LH connector
Terminal
Continuity
B202 (A)
11
B208 (B)
1
Yes
26
5
Driver seat control unit
connector
Terminal
Ground
Continuity
B202 (A)
11
No
26
ALJIA0308ZZ
Driver seat control unit
connector
Terminals
Voltage (V)
(Approx.)
(+)
(–)
B202
11
Ground
Battery voltage
26
PIIA4577E
ADP-52
< COMPONENT DIAGNOSIS >
SLIDING 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-69, "Disassembly and Assembly"
Terminal
Condition
Continuity
Power seat switch LH
7
1
Sliding switch (backward)
Operate
Yes
Release
No
5
Sliding switch (forward)
Operate
Yes
Release
No
ALJIA0309ZZ
RECLINING SWITCH
ADP-53
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
K
L
M
A
B
ADP
N
O
P
RECLINING SWITCH
Description
INFOID:0000000005147486
Reclining switch is equipped to the power seat switch LH on the seat cushion trim cover. The operation signal
is input to the driver seat control unit when the reclining switch is operated.
Component Function Check
INFOID:0000000005147487
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
>> Inspection End.
NO
>> Perform diagnosis procedure. Refer to
Diagnosis Procedure
INFOID:0000000005147488
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 connec-
tor and ground.
Is the inspection result normal?
YES
>> GO TO 5
NO
>> GO TO 2
2.
CHECK RECLINING SWITCH CIRCUIT
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.)
(+)
(–)
B202
12
Ground
Reclining
switch
Operate
(backward)
0
Release
Battery voltage
27
Operate
(forward)
0
Release
Battery voltage
PIIA4580E
ADP-54
< COMPONENT DIAGNOSIS >
RECLINING SWITCH
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
SE-69, "Disassembly and Assembly"
.
4.
CHECK RECLINING SWITCH
ADP-54, "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:0000000005147489
1.
CHECK RECLINING SWITCH
Driver seat control
unit connector
Terminal
Power seat switch
LH connector
Terminal
Continuity
B202 (A)
12
B208 (B)
9
Yes
27
10
Driver seat control unit
connector
Terminal
Ground
Continuity
B202 (A)
12
No
27
ALJIA0310ZZ
Driver seat control
unit connector
Terminals
Voltage (V)
(Approx.)
(+)
(–)
B202
12
Ground
Battery voltage
27
PIIA4580E
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