Infiniti M35/M45 Y50. Manual — part 1089
HEATED SEAT
SE-153
C
D
E
F
G
H
J
K
L
M
A
B
SE
Check Rear Heated Seat Power Supply and Ground Circuit
NIS00287
1.
CHECK FUSIBLE LINK AND FUSE
●
Check 50A fusible link (letter F located in the fuse and fusible link box).
●
Check 15A fuse (No.38, located in fuse block).
●
Check circuit breaker.
NOTE:
Refer to
SE-144, "Component Parts and Harness Connector Location"
.
OK or NG
OK
>> GO TO 2.
NG
>> If fuse or circuit breaker is blown, be sure to eliminate cause of malfunction before installing new
fuse or new circuit breaker, refer to
PG-3, "POWER SUPPLY ROUTING CIRCUIT"
2.
CHECK HEATED SEAT RELAY POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Check voltage between IPDM E/R (heated seat relay) connector
and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace harness between fuse block (J/B) and IPDM E/R (heated seat relay).
3.
CHECK HEATED SEAT RELAY GROUND CIRCUIT
1.
Disconnect IPDM E/R (heated seat relay) connector.
2.
Check continuity between IPDM E/R (heated seat relay) con-
nector and ground.
OK or NG
OK
>> Check the condition of the harness and connector.
NG
>> Repair or replace harness between IPDM E/R (heated
seat relay) and ground.
Terminal
Voltage (V)
(Approx.)
(+)
(–)
IPDM E/R
(heated seat relay)
connector
Terminal
E6
14 Ground
Battery
voltage
PIIB5995E
Terminal
Continuity
IPDM E/R
(heated seat relay)
connector
Terminal
Ground
E9
54 Yes
PIIB5996E
SE-154
HEATED SEAT
Check Rear Seat Control Unit Power Supply and Ground Circuit
NIS00288
1.
CHECK REAR SEAT CONTROL UNIT POWER SUPPLY CIRCUIT (BAT)
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 SEAT CONTROL UNIT POWER SUPPLY CIRCUIT (IGN)
1.
Turn ignition switch ON.
2.
Check voltage between rear seat control unit connector and
ground.
OK or NG
OK
>> GO TO 4.
NG
>> GO TO 3.
Terminal
Voltage (V)
(Approx.)
(+)
(–)
Rear seat control
unit connector
Terminal
B303 (LH)
B353 (RH)
1
Ground
Battery voltage
PIIB5997E
Terminal
Voltage (V)
(Approx.)
(+)
(–)
Rear seat control
unit connector
Terminal
B303 (LH)
B353 (RH)
4
Ground
Battery voltage
PIIB5998E
HEATED SEAT
SE-155
C
D
E
F
G
H
J
K
L
M
A
B
SE
3.
CHECK REAR SEAT CONTROL UNIT HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect IPDM E/R (heated seat relay) and rear seat control unit connector.
3.
Check continuity between IPDM E/R (heated seat relay) con-
nector and rear seat control unit connector.
4.
Check continuity between rear seat control unit connector and
ground.
OK or NG
OK >> GO
TO
4.
NG
>> Repair or replace harness between rear seat control unit and IPDM E/R (heated seat relay).
4.
CHECK REAR SEAT CONTROL UNIT GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect rear seat control unit connector.
3.
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.
A
B
Continuity
Rear seat control
unit connector
Terminal
IPDM E/R
(heated seat relay)
connector
Terminal
B303 (LH)
4
E6
12
Yes
B353 (RH)
E5
9
A
Ground
Continuity
Rear seat control unit connector
Terminal
B303 (LH)
B353 (RH)
4
No
PIIB5999E
Terminal
Continuity
Rear seat control
unit connector
Terminal
Ground
B303 (LH)
B353 (RH)
8
Yes
B304 (LH)
B354 (RH)
13
PIIB6000E
SE-156
HEATED SEAT
Check Rear Heated Seat Switch Circuit
NIS00289
1.
CHECK REAR HEATED SEAT SWITCH POWER SUPPLY-1
1.
Turn ignition switch ON.
2.
Check voltage between rear seat control unit connector and
ground.
OK or NG
OK
>> Rear heated seat switch circuit is OK.
NG
>> GO TO 2.
2.
CHECK REAR HEATED SEAT SWITCH HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect rear heated seat switch and rear seat control unit connector.
3.
Check continuity between rear heated seat switch connector
and rear seat control unit connector.
4.
Check continuity between rear seat control unit connector and
ground.
OK or NG
OK
>> GO TO 3.
NG
>> Replace or replace harness between rear seat control unit and rear heated seat switch.
Terminal
Condition
Voltage (V)
(Approx.)
(+)
(–)
Rear seat
control unit
connector
Terminal
B304 (LH)
B354 (RH)
17
Ground
Rear heated
seat switch
HIGH
0
Other than above.
5
18
Rear heated
seat switch
LOW
0
Other than above.
5
PIIB6001E
A
B
Continuity
Rear seat control
unit connector
Terminal
Rear heated seat
switch connector
Terminal
B304 (LH)
B354 (RH)
17
B507 (LH)
B558 (RH)
1
Yes
18
2
A
Ground
Continuity
Rear seat control unit connector
Terminal
B304 (LH)
B354 (RH)
17
No
18
PIIB6002E
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