Infiniti M35/M45 Y50. Manual — part 1077
POWER SEAT(REAR)
SE-105
C
D
E
F
G
H
J
K
L
M
A
B
SE
Check Rear Seat Control Unit Power Supply and Ground Circuit
NIS0027A
1.
CHECK REAR SEAT CONTROL UNIT POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Check voltage between rear seat control unit connector and
ground.
OK or NG
OK
>> GO TO 2.
NG
>> Repair or replace harness between circuit breaker and rear seat control unit.
2.
CHECK REAR POWER SEAT CONTROL UNIT GROUND CIRCUIT
1.
Disconnect rear seat control unit connector.
2.
Check continuity between rear seat control unit connector and
ground.
OK or NG
OK
>> Rear seat control unit power supply and ground circuit is OK.
NG
>> Repair or replace harness between rear seat control unit and ground.
Terminal
Voltage (V)
(Approx.)
(+)
(–)
Rear seat control
unit connector
Terminal
B303 (LH)
B353 (RH)
1
Ground
Battery voltage
PIIB5917E
Terminal
Continuity
Rear seat control
unit connector
Terminal
Ground
B303 (LH)
B353 (RH)
8
Yes
B304 (LH)
B354 (RH)
13
PIIB5918E
SE-106
POWER SEAT(REAR)
Check Rear Seat Sliding Motor Circuit
NIS0027B
1.
CHECK REAR SEAT SLIDING MOTOR POWER SUPPLY
1.
Turn ignition switch OFF.
2.
Check voltage between rear seat control unit connector and
ground.
OK or NG
OK
>> GO TO 2.
NG
>> Replace rear seat control unit.
2.
CHECK REAR SEAT SLIDING MOTOR HARNESS
1.
Disconnect rear seat control unit and rear seat sliding motor connector.
2.
Check continuity between rear seat control unit connector and
rear seat sliding motor connector.
3.
Check continuity between rear seat control unit connector and
ground.
OK or NG
OK
>> Replace rear seat sliding motor.
NG
>> Repair or replace harness between rear seat control unit and rear seat sliding motor.
Terminal
Condition
Voltage (V)
(Approx.)
(+)
(–)
Rear seat
control unit
connector
Terminal
B303 (LH)
B353 (RH)
2
Ground
Rear power
seat switch
Forward
Battery voltage
Other than above.
0
7
Rear power
seat switch
Backward
Battery voltage
Other than above.
0
PIIB5919E
A
B
Continuity
Rear seat control
unit connector
Terminal
Rear seat sliding
motor connector
Terminal
B303 (LH)
B353 (RH)
2
B311 (LH)
B361 (RH)
3
Yes
7
4
A
Ground
Continuity
Rear seat control unit connector
Terminal
B303 (LH)
B353 (RH)
2
No
7
PIIB5920E
POWER SEAT(REAR)
SE-107
C
D
E
F
G
H
J
K
L
M
A
B
SE
Check Rear Power Seat Switch Circuit
NIS0027C
1.
CHECK REAR POWER SEAT SWITCH POWER SUPPLY
1.
Turn ignition switch OFF.
2.
Check voltage between rear seat control unit connector and
ground.
OK or NG
OK
>> Replace rear seat control unit.
NG
>> GO TO 2.
2.
CHECK REAR POWER SEAT SWITCH HARNESS
1.
Disconnect rear seat control unit connector and rear power seat switch connector.
2.
Check continuity between rear seat control unit connector and
rear power seat switch connector.
3.
Check continuity between rear seat control unit connector and
ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace harness between rear seat control unit and rear power seat switch.
Terminal
Condition
Voltage (V)
(Approx.)
(+)
(–)
Rear seat
control unit
connector
Terminal
B304 (LH)
B354 (RH)
10
Ground
Rear power
seat switch
Forward
0
Other than above.
Battery voltage
15
Rear power
seat switch
Backward
0
Other than above.
Battery voltage
PIIB5921E
A
B
Continuity
Rear seat control
unit connector
Terminal
Rear power seat
switch connector
Terminal
B304 (LH)
B354 (RH)
10
B504 (LH)
B555 (RH)
2
Yes
15
1
A
Ground
Continuity
Rear seat control unit connector
Terminal
B304 (LH)
B354 (RH)
10
No
15
PIIB5922E
SE-108
POWER SEAT(REAR)
3.
CHECK REAR POWER SEAT SWITCH
Check continuity between rear power seat switch as follows.
OK or NG
OK
>> GO TO 4.
NG
>> Replace rear power seat switch.
4.
CHECK REAR POWER SEAT SWITCH GROUND CIRCUIT
Check continuity between rear power seat switch connector and
ground.
OK or NG
OK
>> GO TO 5.
NG
>> Repair or replace harness between rear power seat
switch and ground.
5.
CHECK REAR POWER SEAT SWITCH POWER SUPPLY-2
1.
Connect rear seat control unit connector.
2.
Check voltage between rear seat control unit connector and
ground.
OK or NG
OK
>> Check the condition of the harness and connector.
NG
>> Replace rear seat control unit.
Rear power seat
switch connector
Terminal Condition
Continuity
B504 (LH)
B555 (RH)
1
3
Rear power
seat switch
Backward
Yes
Other than above.
No
2
Rear power
seat switch
Forward
Yes
Other than above.
No
PIIB5923E
Terminal
Continuity
Rear power seat
switch connector
Terminal
Ground
B504 (LH)
B555 (RH)
3
Yes
PIIB5924E
Terminals
Voltage (V)
(Approx.)
(+)
(–)
Rear seat control
unit connector
Terminal
B304 (LH)
B354 (RH)
10
Ground
Battery voltage
15
PIIB5921E
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