Infiniti Q45. Manual — part 838
POWER SEAT
SE-107
C
D
E
F
G
H
J
K
L
M
A
B
SE
Check Front Power Seat Passenger Side Reclining Circuit
NIS0013R
1.
CHECK POWER SEAT SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect front power seat passenger side switch connector.
3.
Check continuity between front power seat passenger side
switch as follows.
OK or NG
OK
>> GO TO 2.
NG
>> Replace front power seat passenger side switch.
2.
CHECK RECLINING MOTOR HARNESS
1.
Disconnect reclining motor connector.
2.
Check continuity between front power seat passenger side
switch connector B342 terminals 2, 9 and reclining motor con-
nector B344 terminals 2, 9.
3.
Check continuity between front power seat passenger side
switch connector B342 terminals 2, 9 and ground.
OK or NG
OK
>> Replace reclining motor.
NG
>> Repair or replace harness between front power seat passenger side switch and reclining motor.
Terminal
Condition
Continuity
2
15A
Reclining switch backward
Yes
16
Reclining switch forward
Yes
15A, 16
Other than above
No
9
15A
Reclining switch forward
Yes
16
Reclining switch backward
Yes
15A, 16
Other than above
No
PIIA3970E
2 (G)
−
2 (G)
:Continuity should exist
9 (PU)
−
9 (PU)
:Continuity should exist
2 (G)
−
Ground
:Continuity should not exist
9 (PU)
−
Ground
:Continuity should not exist
PIIA3971E
SE-108
POWER SEAT
Check Front Power Seat Passenger Side Front Lifting Circuit
NIS0013S
1.
CHECK POWER SEAT SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect front power seat passenger side switch connector.
3.
Check continuity between front power seat passenger side
switch as follows.
OK or NG
OK
>> GO TO 2.
NG
>> Replace front power seat passenger side switch.
2.
CHECK FRONT LIFTING MOTOR HARNESS
1.
Disconnect front lifting motor connector.
2.
Check continuity between front power seat passenger side
switch connector B342 terminals 10, 11 and front lifting motor
connector B346 terminals 10, 11.
3.
Check continuity between front power seat passenger side
switch connector B342 terminals 10, 11 and ground.
OK or NG
OK
>> Replace front lifting motor.
NG
>> Repair or replace harness between front power seat passenger side switch and front lifting motor.
Terminal
Condition
Continuity
10
15A
Front lifting switch up
Yes
16
Front lifting switch down
Yes
15A, 16
Other than above
No
11
15A
Front lifting switch down
Yes
16
Front lifting switch up
Yes
15A, 16
Other than above
No
PIIA3973E
10 (OR)
−
10 (OR)
:Continuity should exist.
11 (LG)
−
11 (LG)
:Continuity should exist.
10 (OR)
−
Ground
:Continuity should not exist.
11 (LG)
−
Ground
:Continuity should not exist.
PIIA3974E
POWER SEAT
SE-109
C
D
E
F
G
H
J
K
L
M
A
B
SE
Check Front Power Seat Passenger Side Rear Lifting Circuit
NIS0013T
1.
CHECK POWER SEAT SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect front power seat passenger side switch connector.
3.
Check continuity between front power seat passenger side
switch as follows.
OK or NG
OK
>> GO TO 2.
NG
>> Replace front power seat passenger side switch.
2.
CHECK REAR LIFTING MOTOR HARNESS
1.
Disconnect rear lifting motor connector.
2.
Check continuity between front power seat passenger side
switch connector B342 terminals 4, 6 and rear lifting motor con-
nector B347 terminals 4, 6.
3.
Check continuity between front power seat passenger side
switch connector B342 terminals 4, 6 and ground.
OK or NG
OK
>> Replace rear lifting motor.
NG
>> Repair or replace harness between front power seat passenger side switch and rear lifting motor.
Check Rear Power Seat Control Unit Power Supply and Ground Circuit
NIS0013U
WITH HEATED SEAT
1.
CHECK REAR POWER SEAT CONTROL UNIT POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect rear power seat control unit connector.
3.
Check voltage between rear power seat control unit connector
B162 (LH), B362 (RH) terminal 2 and ground.
OK or NG
OK
>> GO TO 2.
NG
>> Repair or replace harness between fuse block (J/B)
No.1 and rear power seat control unit.
Terminal
Condition
Continuity
4
15A
Rear lifting switch up
Yes
16
Rear lifting switch down
Yes
15A, 16
Other than above
No
6
15A
Rear lifting switch down
Yes
16
Rear lifting switch up
Yes
15A, 16
Other than above
No
PIIA3976E
4 (R)
−
4 (R)
:Continuity should exist.
6 (Y)
−
6 (Y)
:Continuity should exist.
4 (R)
−
Ground
:Continuity should not exist.
6 (Y)
−
Ground
:Continuity should not exist.
PIIA3977E
2 (G)
−
Ground
: Battery voltage.
PIIA3978E
SE-110
POWER SEAT
2.
CHECK REAR POWER SEAT CONTROL UNIT GROUND CIRCUIT
1.
Check continuity between rear power seat control unit connector
B162 (LH), B362 (RH) terminals 15 and ground.
2.
Check continuity between rear power seat control unit connector
B163 (LH), B363 (RH) terminals 28 and ground.
OK or NG
OK
>> Rear power seat control unit power supply and ground
circuit check is OK.
NG
>> Repair or replace harness between rear power seat con-
trol unit and ground.
WITHOUT HEATED SEAT
1.
CHECK REAR POWER SEAT CONTROL UNIT POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect rear power seat control unit connector.
3.
Check voltage between rear power seat control unit connector
B168 (LH), B368 (RH) terminal 2 and ground.
OK or NG
OK
>> GO TO 2.
NG
>> Repair or replace harness between fuse block (J/B)
No.1 and rear power seat control unit.
2.
CHECK REAR POWER SEAT CONTROL UNIT GROUND CIRCUIT
Check continuity between rear power seat control unit connector
B168 (LH), B368 (RH) terminals 15, 28 and ground.
OK or NG
OK
>> Rear power seat control unit power supply and ground
circuit check is OK.
NG
>> Repair or replace harness between rear power seat con-
trol unit and ground.
15 (B)
−
Ground
:Continuity should exist.
28 (B)
−
Ground
:Continuity should exist.
PIIA3979E
2 (G)
−
Ground
: Battery voltage
PIIA3997E
15 (B)
−
Ground
:Continuity should exist
28 (G/B)
−
Ground
:Continuity should exist
PIIA3998E
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