Infiniti G37 Coupe. Manual — part 32
![](/vehicles/zatt/keash/ckiif/elve.png)
ADP-122
< COMPONENT DIAGNOSIS >
LIFTING MOTOR (FRONT)
LIFTING MOTOR (FRONT)
Description
INFOID:0000000001693764
• The lifting motor (front) is installed on the seat slide cushion frame.
• The lifting motor (front) is activated with the driver seat control unit.
• The lifter (front) is moved upward/downward by changing the rotation direction of lifting motor (front).
Component Function Check
INFOID:0000000001693765
1.
CHECK FUNCTION
1.
Select “SEAT LIFTER FR” in “Active Test” mode with CONSULT-III.
2.
Check the lifting motor (front) operation.
Is the operation of relevant parts normal?
YES
>> INSPECTION END
NO
>> Perform diagnosis procedure. Refer to
ADP-122, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000001693766
1.
CHECK LIFTING MOTOR (FRONT) POWER SUPPLY
1.
Turn ignition switch OFF.
2.
Disconnect lifting motor (front) connector.
3.
Turn ignition switch ON.
4.
Perform “Active Test” (“SEAT LIFTER FR”) with CONSULT-lll.
5.
Check voltage between lifting motor (front) harness connector and ground.
Is the inspection result normal?
YES
>> Replace lifting motor (front). (Built in seat slide cushion frame.)
NO
>> GO TO 2.
2.
CHECK LIFTING MOTOR (FRONT) CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect driver seat control unit connector and lifting motor (front) connector.
3.
Check continuity between driver seat control unit harness connector and lifting motor (front) harness con-
nector.
Test item
Description
SEAT LIFTER FR
OFF
Seat lifting (front)
Stop
UP
Upward
DWN
Downward
Terminal
Test item
Voltage (V)
(Approx.)
(+)
(-)
Lifting motor
(front) connector
Terminal
B527
37
Ground
SEAT LIFTER
FR
OFF
0
UP
0
DWN (down)
Battery voltage
45
OFF
0
UP
Battery voltage
DWN (down)
0
![](/vehicles/zatt/keash/ckiif/oss.png)
LIFTING MOTOR (FRONT)
ADP-123
< COMPONENT 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 INTERMITTENT INCIDENT
GI-38, "Intermittent Incident"
.
Is the inspection result normal?
YES
>> Replace driver seat control unit. Refer to
ADP-236, "Removal and Installation"
NO
>> Repair or replace the malfunctioning part.
Driver seat control unit
connector
Terminal
Lifting motor (front)
connector
Terminal
Continuity
B504
37
B527
37
Existed
45
45
Driver seat control unit
connector
Terminal
Ground
Continuity
B504
37
Not existed
45
![](/vehicles/zatt/keash/ckiif/cto.png)
ADP-124
< COMPONENT DIAGNOSIS >
LIFTING MOTOR (REAR)
LIFTING MOTOR (REAR)
Description
INFOID:0000000001693767
• The lifting motor (rear) is installed on the seat slide cushion frame.
• The lifting motor (rear) is activated with the driver seat control unit.
• The lifter (rear) is moved upward/downward by changing the rotation direction of lifting motor (rear).
Component Function Check
INFOID:0000000001693768
1.
CHECK FUNCTION
1.
Select “SEAT LIFTER RR” in “Active Test” mode with CONSULT-III.
2.
Check the lifting motor (rear) operation.
Is the operation of relevant parts normal?
YES
>> INSPECTION END
NO
>> Perform diagnosis procedure. Refer to
ADP-124, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000001693769
1.
CHECK LIFTING MOTOR (REAR) POWER SUPPLY
1.
Turn ignition switch OFF.
2.
Disconnect lifting motor (rear) connector.
3.
Turn ignition switch ON.
4.
Perform “Active Test” (“SEAT LIFTER RR”) with CONSULT-lll
5.
Check voltage between lifting motor (rear) harness connector and ground.
Is the inspection result normal?
YES
>> Replace lifting motor (rear). (Built in seat slide cushion frame.)
NO
>> GO TO 2.
2.
CHECK LIFTING MOTOR (REAR) CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect driver seat control unit connector and lifting motor (rear) connector.
3.
Check continuity between driver seat control unit harness connector and lifting motor (rear) harness con-
nector.
Test item
Description
SEAT LIFTER RR
OFF
Seat lifting (rear)
Stop
UP
Upward
DWN
Downward
Terminal
Test item
Voltage (V)
(Approx.)
(+)
(-)
Lifting motor
(rear) connector
Terminal
B529
38
Ground
SEAT LIFTER RR
OFF
0
UP
Battery voltage
DWN (DOWN)
0
39
OFF
0
UP
0
DWN (DOWN)
Battery voltage
![](/vehicles/zatt/keash/ckiif/kni.png)
LIFTING MOTOR (REAR)
ADP-125
< COMPONENT 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 INTERMITTENT INCIDENT
GI-38, "Intermittent Incident"
.
Is the inspection result normal?
YES
>> Replace driver seat control unit. Refer to
ADP-236, "Removal and Installation"
NO
>> Repair or replace the malfunctioning part.
Driver seat control unit
connector
Terminal
Lifting motor (rear)
connector
Terminal
Continuity
B504
38
B529
38
Existed
39
39
Driver seat control unit
connector
Terminal
Ground
Continuity
B504
38
Not existed
39
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