Infiniti QX56 (Z62). Manual — part 29
RECLINING MOTOR
ADP-109
< 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
>> Replace driver seat control unit.
NO
>> Repair or replace harness or connector.
Driver seat control unit
Ground
Continuity
Connector
Terminal
B451
35
Not existed
39
ADP-110
< DTC/CIRCUIT DIAGNOSIS >
LIFTING MOTOR (FRONT)
LIFTING MOTOR (FRONT)
Component Function Check
INFOID:0000000006248406
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-110, "Diagnosis Procedure"
.
Diagnosis Procedure
INFOID:0000000006248407
1.
CHECK LIFTING MOTOR (FRONT) INPUT SIGNAL
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-III.
5.
Check voltage between lifting motor (front) harness connector and ground.
Is the inspection result normal?
YES
>> Replace lifting motor (front) (built in seat cushion frame).
NO
>> GO TO 2.
2.
CHECK LIFTING MOTOR (FRONT) CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect driver seat control unit connector.
3.
Check continuity between driver seat control unit harness connector and lifting motor (front) harness con-
nector.
4.
Check continuity between driver seat control unit harness connector and ground.
Test item
Description
SEAT LIFTER FR
OFF
Seat lifting (front)
Stop
UP
Upward
DWN
Downward
(+)
(-)
Condition
Voltage (V)
(Approx.)
Lifting motor (front)
Connector
Terminals
B455
36
Ground
SEAT LIFTER FR
OFF
0
UP
0
DWN (down)
12
40
OFF
0
UP
12
DWN (down)
0
Driver seat control unit
Lifting motor (front)
Continuity
Connector
Terminal
Connector
Terminal
B451
36
B455
36
Existed
40
40
LIFTING MOTOR (FRONT)
ADP-111
< 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
>> Replace driver seat control unit.
NO
>> Repair or replace harness or connector.
Driver seat control unit
Ground
Continuity
Connector
Terminal
B451
36
Not existed
40
ADP-112
< DTC/CIRCUIT DIAGNOSIS >
LIFTING MOTOR (REAR)
LIFTING MOTOR (REAR)
Component Function Check
INFOID:0000000006248408
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-112, "Diagnosis Procedure"
.
Diagnosis Procedure
INFOID:0000000006248409
1.
CHECK LIFTING MOTOR (REAR) INPUT SIGNAL
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-III
5.
Check voltage between lifting motor (rear) harness connector and ground.
Is the inspection result normal?
YES
>> Replace lifting motor (rear) (built in seat cushion frame).
NO
>> GO TO 2.
2.
CHECK LIFTING MOTOR (REAR) CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect driver seat control unit connector.
3.
Check continuity between driver seat control unit harness connector and lifting motor (rear) harness con-
nector.
4.
Check continuity between driver seat control unit harness connector and ground.
Test item
Description
SEAT LIFTER RR
OFF
Seat lifting (rear)
Stop
UP
Upward
DWN
Downward
(+)
(-)
Condition
Voltage (V)
(Approx.)
Lifting motor (rear)
Connector
Terminals
B456
41
Ground
SEAT LIFTER RR
OFF
0
UP
12
DWN (DOWN)
0
42
OFF
0
UP
0
DWN (DOWN)
12
Driver seat control unit
Lifting motor (rear)
Continuity
Connector
Terminal
Connector
Terminal
B451
41
B456
41
Existed
42
42
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