Infiniti Q45. Manual — part 834
AUTOMATIC DRIVE POSITIONER
SE-91
C
D
E
F
G
H
J
K
L
M
A
B
SE
Check Rear Power Seat Turnout Operation
NIS0013F
1.
CHECK REAR POWER SEAR CONDITION
Front power window main switch operation normally when the power window is operated?
OK or NG
OK
>> GO TO 2.
NG
>> Check the power window system
2.
CHECK REAR POWER SEAT CONTROL UNIT HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect rear LH door control unit connector and rear power
seat control unit LH connector.
3.
Check continuity between rear power seat control unit LH con-
nector B163 terminal 18 and rear LH door control unit connector
D58 terminal 12.
4.
Check continuity between rear power seat control unit LH con-
nector B163 terminal 18 and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace harness between rear LH door control unit and rear power seat control unit LH.
3.
CHECK REAR POWER SEAT AUTO RETURN SIGNAL
1.
Connect rear power seat control unit LH connector.
2.
Check voltage between rear LH door control unit connector and
ground.
OK or NG
OK
>> Replace rear power seat control unit LH.
NG
>> Replace rear LH door control unit.
18 (BR/W)
−
12 (OR/L)
:Continuity should exist.
18 (BR/W)
−
Ground
:Continuity should not exist.
PIIA4122E
Connector
Terminals
(Wire color)
Condition
Voltage (V)
(Approx.)
(+)
(–)
D58
12
(OR/L)
Ground
Driver side seat auto
return operation
(backward)
0
When driver side seat auto
return stops
Battery voltage
PIIA4121E
SE-92
POWER SEAT
POWER SEAT
PFP:87016
Component Parts and Harness Connector Location
NIS0013H
PIIA3389E
POWER SEAT
SE-93
C
D
E
F
G
H
J
K
L
M
A
B
SE
System Description
NIS0013G
The rear power seat (LH / RH) retreats when the auto return cancel switch is turned on and each door is
opened.
When the slide switch turned on, or auto return cancel switch is canceled, an auto return is discontinued.
The LH seat moves backward when the driver seat is moved backward by the auto driving position system.
Refer to
Power is all times supplied
●
through 40A fusible link [letter H, located in the fuse block (J/B)],
●
to front power seat passenger side terminal 16, and
●
to rear power seat control unit LH, rear power seat control unit RH terminal 2.
FRONT POWER SEAT (PASSENGER SIDE) OPERATION
When sliding switch is forward, power is supplied
●
through power seat switch terminal 1,
●
to sliding motor terminal 1.
Then ground is supplied
●
to sliding motor terminal 8,
●
through power seat switch terminal 8,
●
through power seat switch terminal 15A,
●
through body grounds B217 and B256.
When power and ground are supplied, front passenger seat slide moves forward.
When sliding switch is backward, power is supplied
●
through power seat switch terminal 8,
●
to sliding motor terminal 8.
Then ground is supplied
●
to sliding motor terminal 1,
●
through power seat switch terminal 1,
●
through power seat switch terminal 15A,
●
through body grounds B217 and B256.
When power and ground are supplied, front passenger seat slide moves backward.
When reclining switch is forward, power is supplied
●
through power seat switch terminal 2,
●
to reclining motor terminal 2.
Then ground is supplied
●
to reclining motor terminal 9,
●
through power seat switch terminal 9,
●
through power seat switch terminal 15A,
●
through body grounds B217 and B256.
When power and ground are supplied, front passenger seat reclining moves forward.
When reclining switch is backward, power is supplied
●
through power seat switch terminal 9,
●
to reclining motor terminal 9.
Then ground is supplied
●
to reclining motor terminal 2,
●
through power seat switch terminal 2,
●
through power seat switch terminal 15A,
●
through body grounds B217 and B256.
When power and ground are supplied, front passenger seat reclining moves backward.
This seat does reclining backward.
When front lifting switch is upward, power is supplied
●
through power seat switch terminal 11,
SE-94
POWER SEAT
●
to front lifting motor terminal 11.
Then ground is supplied
●
to front lifting motor terminal 10,
●
through power seat switch terminal 10,
●
through power seat switch terminal 15A,
●
through body grounds B217 and B256.
When power and ground are supplied, front passenger seat front lifting moves upward.
This seat does front lifting upward.
When front lifting switch is downward, power is supplied
●
through power seat switch terminal 10,
●
to front lifting motor terminal 10.
Then ground is supplied
●
to front lifting motor terminal 11,
●
through power seat switch terminal 11,
●
through power seat switch terminal 15A,
●
through body grounds B217 and B256.
When power and ground are supplied, front passenger seat front lifting moves downward.
This seat does front lifting downward.
When rear lifting switch is upward, power is supplied
●
through power seat switch terminal 6,
●
to rear lifting motor terminal 6.
Then ground is supplied
●
to rear lifting motor terminal 4,
●
through power seat switch terminal 4,
●
through power seat switch terminal 15A,
●
through body grounds B217 and B256.
When power and ground are supplied, front passenger seat rear lifting moves upward.
When rear lifting switch is downward, power is supplied
●
through power seat switch terminal 4,
●
to rear lifting motor terminal 4.
Then ground is supplied
●
to rear lifting motor terminal 6,
●
through power seat switch terminal 6,
●
through power seat switch terminal 15A,
●
through body grounds B217 and B256.
When power and ground are supplied, front passenger seat rear lifting moves downward.
REAR POWER SEAT LH AND REAR POWER SEAT RH OPERATION
When rear power seat sliding switch is forward, ground is supplied
●
to rear power seat control unit terminal 24,
●
through power seat switch terminal 7 (RH), 8 (LH),
●
through power seat switch terminal 2,
●
through body grounds B17, B57 (LH) and B217, B256 (RH).
When rear power seat control unit receives sliding switch forward signal, power is supplied
●
through rear power seat control unit terminal 4,
●
to rear power seat sliding motor terminal 4.
Then ground is supplied
●
to rear power seat sliding motor terminal 11,
●
through rear power seat control unit terminal 11,
●
through rear power seat control unit terminals 15,
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