Infiniti QX56 (Z62). Manual — part 24
SLIDING SENSOR
ADP-89
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
K
L
M
A
B
ADP
N
O
P
SLIDING SENSOR
Component Function Check
INFOID:0000000006248386
1.
CHECK FUNCTION
1.
Select “SLIDE PULSE” in “Data monitor” mode with CONSULT-III.
2.
Check sliding sensor signal under the following conditions.
*1
: The value at the seat position attained when the battery is connected is considered to be 32768.
Is the indication normal?
YES
>> INSPECTION END
NO
>> Perform diagnosis procedure. Refer to
Diagnosis Procedure
INFOID:0000000006248387
1.
CHECK SLIDING SENSOR SIGNAL
1.
Turn ignition switch ON.
2.
Read voltage signal between driver seat control unit harness connector and ground with oscilloscope.
Is the inspection result normal?
YES
>> Replace driver seat control unit.
NO
>> GO TO 2.
2.
CHECK SLIDING SENSOR CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect driver seat control unit and sliding sensor connector.
3.
Check continuity between driver seat control unit harness connector and sliding sensor harness connec-
tor.
4.
Check continuity between driver seat control unit harness connector and ground.
Monitor item
Condition
Value
SLIDE PULSE
Seat sliding
Operate (forward)
Change (increase)
*1
Operate (backward)
Change (decrease)
*1
Release
No change
*1
(+)
(-)
Condition
Signal
(Reference value)
Driver seat control unit
Connector
Terminals
B452
18
Ground
Seat sliding
Operate
Other than the
above
0 or 5
JMJIA0119ZZ
Driver seat control unit
Sliding motor
Continuity
Connector
Terminal
Connector
Terminal
B452
18
B461
18
Existed
ADP-90
< DTC/CIRCUIT DIAGNOSIS >
SLIDING SENSOR
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness or connector.
3.
CHECK SLIDING SENSOR POWER SUPPLY
1.
Connect driver seat control unit connector.
2.
Turn ignition switch ON.
3.
Check voltage between sliding motor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 4.
4.
CHECK SLIDING SENSOR POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect driver seat control unit connector.
3.
Check continuity between driver seat control unit harness connector and sliding motor harness connector.
4.
Check continuity between driver seat control unit harness connector and ground.
Is the inspection result normal?
YES
>> Replace driver seat control unit.
NO
>> Repair or replace harness or connector.
5.
CHECK SLIDING SENSOR GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Check continuity between sliding sensor harness connector and ground.
Is the inspection result normal?
YES
>> Replace sliding motor.
NO
>> Repair or replace harness or connector.
Driver seat control unit
Ground
Continuity
Connector
Terminal
B452
18
Not existed
(+)
(-)
Voltage (V)
(Approx.)
Sliding motor
Connector
Terminals
B461
12
Ground
12
Driver seat control unit
Sliding motor
Continuity
Connector
Terminal
Connector
Terminal
B452
12
B461
12
Existed
Driver seat control unit
Ground
Continuity
Connector
Terminal
B452
12
Not existed
Sliding motor
Ground
Continuity
Connector
Terminal
B461
43
Existed
RECLINING SENSOR
ADP-91
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
K
L
M
A
B
ADP
N
O
P
RECLINING SENSOR
Component Function Check
INFOID:0000000006248388
1.
CHECK FUNCTION
1.
Select “RECLN PULSE” in “Data monitor” mode with CONSULT-III.
2.
Check reclining sensor signal under the following conditions.
*1
: The value at the seat position attained when the battery is connected is considered to be 32768.
Is the indication normal?
YES
>> INSPECTION END
NO
>> Perform diagnosis procedure. Refer to
Diagnosis Procedure
INFOID:0000000006248389
1.
CHECK RECLINING SENSOR SIGNAL
1.
Turn ignition switch ON.
2.
Read voltage signal between driver seat control unit harness connector and ground with oscilloscope.
Is the inspection result normal?
YES
>> Replace driver seat control unit.
NO
>> GO TO 2.
2.
CHECK RECLINING SENSOR CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect driver seat control unit and reclining motor connector.
3.
Check continuity between driver seat control unit harness connector and reclining motor harness connec-
tor.
4.
Check continuity between driver seat control unit harness connector and ground.
Monitor item
Condition
Value
RECLN PULSE
Seat reclining
Operate (forward)
Change (increase)
*1
Operate (backward)
Change (decrease)
*1
Release
No change
*1
(+)
(-)
Condition
Signal
(Reference value)
Driver seat control unit
Connector
Terminals
B452
4
Ground
Seat reclining
Operate
Other than the
above
0 or 5
JMJIA0119ZZ
Driver seat control unit
Reclining motor
Continuity
Connector
Terminal
Connector
Terminal
B452
4
B454
4
Existed
ADP-92
< DTC/CIRCUIT DIAGNOSIS >
RECLINING SENSOR
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness or connector.
3.
CHECK RECLINING SENSOR POWER SUPPLY
1.
Connect driver seat control unit connector.
2.
Turn ignition switch ON.
3.
Check voltage between reclining motor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 4.
4.
CHECK RECLINING SENSOR POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect driver seat control unit connector.
3.
Check continuity between driver seat control unit harness connector and reclining motor harness connec-
tor.
4.
Check continuity between driver seat control unit harness connector and ground.
Is the inspection result normal?
YES
>> Replace driver seat control unit.
NO
>> Repair or replace harness or connector.
5.
CHECK RECLINING SENSOR GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Check continuity between reclining motor harness connector and ground.
Is the inspection result normal?
YES
>> Replace reclining motor.
NO
>> Repair or replace harness or connector.
Driver seat control unit
Ground
Continuity
Connector
Terminal
B452
4
Not existed
(+)
(-)
Voltage (V)
(Approx.)
Reclining motor
Connector
Terminals
B454
12
Ground
12
Driver seat control unit
Reclining motor
Continuity
Connector
Terminal
Connector
Terminal
B452
12
B454
12
Existed
Driver seat control unit
Ground
Continuity
Connector
Terminal
B452
12
Not existed
Reclining motor
Ground
Continuity
Connector
Terminal
B454
43
Existed
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