Infiniti M35/M45 Y50. Manual — part 1090
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HEATED SEAT
SE-157
C
D
E
F
G
H
J
K
L
M
A
B
SE
3.
CHECK REAR HEATED SEAT SWITCH
Check continuity rear heated seat switch connector.
OK or NG
OK
>> GO TO 4.
NG
>> Replace rear heated seat switch.
4.
CHECK REAR HEATED SEAT SWITCH GROUND CIRCUIT
Check continuity between rear heated seat switch connector and
ground.
OK or NG
OK
>> GO TO 5.
NG
>> Replace or replace harness between rear heated seat
switch and ground.
5.
CHECK REAR HEATED SEAT SWITCH POWER SUPPLY-2
1.
Connect rear seat control unit.
2.
Turn ignition switch ON.
3.
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 heated
seat switch
connector
Terminal Condition
Continuity
B507 (LH)
B558 (RH)
1
3
Rear heated
seat switch
HIGH
Yes
Other than above.
No
2
Rear heated
seat switch
LOW
Yes
Other than above.
No
PIIB6003E
Terminal
Continuity
Rear heated seat
switch connector
Terminal
Ground
B507 (LH)
B558 (RH)
3
Yes
PIIB6004E
Terminals
Voltage (V)
(Approx.)
(+)
(–)
Rear seat control
unit connector
Terminal
B304 (LH)
B354 (RH)
17
Ground
5
18
PIIB6001E
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SE-158
HEATED SEAT
Check Rear Heated Seat Indicator Power Supply Circuit
NIS0028A
1.
CHECK REAR HEATED SEAT INDICATOR POWER SUPPLY
1.
Turn ignition switch OFF.
2.
Disconnect rear heated seat switch connector.
3.
Check voltage between rear heated seat switch connector and
ground.
OK or NG
OK
>> GO TO 3.
NG
>> GO TO 2.
2.
CHECK REAR HEATED SEAT INDICATOR HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect IPDM E/R (heated seat relay) connector.
3.
Check continuity between IPDM E/R (heated seat relay) con-
nector and rear heated seat switch connector.
4.
Check continuity between rear heated seat switch connector
and ground.
OK or NG
OK
>> Check the condition of the harness and connector.
NG
>> Replace or replace harness between IPDM E/R (heated seat relay) and rear heated seat switch.
Terminal
Condition
Voltage (V)
(Approx.)
(+)
(–)
Rear heated
seat switch
connector
Terminal
B507 (LH)
B558 (RH)
6
Ground
Ignition
switch
ON
Battery voltage
OFF
0
PIIB6005E
A
B
Continuity
Rear heated seat
switch connector
Terminal
IPDM E/R
(heated seat relay)
connector
Terminal
B507 (LH)
6
E6
12
Yes
B558 (RH)
E5
9
A
Ground
Continuity
Rear heated seat
switch connector
Terminal
B507 (LH)
B558 (RH)
6
No
PIIB6006E
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HEATED SEAT
SE-159
C
D
E
F
G
H
J
K
L
M
A
B
SE
3.
CHECK REAR HEATED SEAT SWITCH
Check continuity rear heated seat switch connector.
OK or NG
OK
>> Check the condition of the harness and connector.
NG
>> Replace rear heated seat switch.
Check Rear Heated Seat Indicator Circuit
NIS0028B
1.
CHECK REAR SEAT CONTROL UNIT POWER SUPPLY
1.
Turn ignition switch ON.
2.
Check voltage between rear seat control unit connector and
ground.
OK or NG
OK
>> Replace rear heated seat switch.
NG
>> GO TO 2.
Rear heated seat
switch connector
Terminal
Continuity
(+)
(-)
B507 (LH)
B558 (RH)
4
6
Yes
5
6
4
No
5
PIIB6007E
Terminal
Condition
Voltage (V)
(Approx.)
(+)
(–)
Rear seat
control unit
connector
Terminal
B304 (LH)
B354 (RH)
9
Ground
Rear heated
seat switch
HIGH
0
Other than above.
Battery voltage
14
Rear heated
seat switch
LOW
0
Other than above.
Battery voltage
PIIB6008E
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SE-160
HEATED SEAT
2.
CHECK REAR HEATED SEAT INDICATOR HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect rear seat control unit and rear heated seat switch connector.
3.
Check continuity between rear heated seat switch connector
and rear seat control unit connector.
4.
Check continuity between rear heated seat switch connector
and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Replace or replace harness between rear heated seat switch and rear seat control unit.
3.
CHECK REAR HEATED SEAT SWITCH
Check continuity rear heated seat switch connector.
OK or NG
OK
>> Replace rear seat control unit.
NG
>> Replace rear heated seat switch.
A
B
Continuity
Rear heated seat
switch connector
Terminal
Rear seat control
unit connector
Terminal
B507 (LH)
B558 (RH)
4
B304 (LH)
B354 (RH)
9
Yes
5
14
A
Ground
Continuity
Rear heated seat
switch connector
Terminal
B507 (LH)
B558 (RH)
4
No
5
PIIB6009E
Rear heated seat
switch connector
Terminal
Continuity
(+)
(-)
B507 (LH)
B558 (RH)
4
6
Yes
5
6
4
No
5
PIIB6007E
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