Infiniti Q45. Manual — part 848
HEATED SEAT
SE-147
C
D
E
F
G
H
J
K
L
M
A
B
SE
Check Rear Heated Seat Circuit 2
NIS0014Q
1.
CHECK REAR SEATBACK HEATER POWER SUPPLY
1.
Turn ignition switch ON.
2.
Check voltage between rear power seat control unit connector
and ground.
OK or NG
OK
>> GO TO 3.
NG
>> GO TO 2.
2.
CHECK REAR SEATBACK HEATER HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect rear power seat control unit connector.
3.
Check continuity between rear power seat control unit connector
B162 (LH), B362 (RH) terminal 8 and ground.
OK or NG
OK
>> Replace rear power seat control unit.
NG
>> Repair or replace harness between rear seat control unit
and seatback heater.
3.
CHECK REAR SEATBACK HEATER HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect rear power seat control unit connector and rear seat-
back heater connector.
3.
Check continuity between rear power seat control unit connector
B162 (LH), B362 (RH) terminal 8 and rear seatback heater con-
nector B165 (LH), B365 (RH) terminal 8.
OK or NG
OK
>> GO TO 4.
NG
>> Repair or replace harness between rear power seat con-
trol unit and rear seatback heater.
Connector
Terminal
(Wire color)
Condition
Voltage (V)
(Approx.)
(+)
(–)
B162 (LH)
B362 (RH)
8 (OR)
Ground
Turn ignition switch ON
Heater switch LOW
Battery voltage
Heater switch OFF
0
PIIA4101E
8 (OR)
−
Ground
:Continuity should not exist
PIIA4102E
8 (OR)
−
8 (OR)
:Continuity should exist
PIIA4120E
SE-148
HEATED SEAT
4.
CHECK REAR SEATBACK HEATER
Check continuity between rear seatback heater B165 (LH), B365
(RH) terminal A and 8.
OK or NG
OK
>> Check the condition of the harness and connector.
NG
>> Replace rear seatback heater.
Check Rear Heated Seat Circuit 3
NIS0014R
1.
CHECK REAR SEATBACK HEATER POWER SUPPLY
1.
Turn ignition switch ON.
2.
Check voltage between rear power seat control unit connector
and ground.
OK or NG
OK
>> GO TO 3.
NG
>> GO TO 2.
2.
CHECK REAR SEATBACK HEATER HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect rear power seat control unit connector and rear seat-
back heater connector.
3.
Check continuity between rear power seat control unit connector
B162 (LH), B362 (RH) terminal 5 and ground.
OK or NG
OK
>> Replace rear power seat control unit.
NG
>> Repair or replace harness between rear power seat con-
trol unit and rear seatback heater.
A (Y/B)
−
8 (OR)
: Continuity should exist
PIIA4117E
Connector
Terminal
(Wire color)
Condition
Voltage (V)
(Approx.)
(+)
(–)
B162 (LH)
B362 (RH)
5 (BR)
Ground
Turn ignition switch ON
Heater switch HIGH
Battery voltage
Heater switch OFF
0
PIIA4114E
5 (BR)
−
Ground
:Continuity should not exist
PIIA4115E
HEATED SEAT
SE-149
C
D
E
F
G
H
J
K
L
M
A
B
SE
3.
CHECK REAR SEATBACK HEATER HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect rear power seat control unit connector and rear seat-
back heater connector.
3.
Check continuity between rear power seat control unit connector
B162 (LH), B362 (RH) terminal 5 and rear seatback heater con-
nector B165 (LH), B365 (RH) terminal 5.
OK or NG
OK
>> GO TO 4.
NG
>> Repair or replace harness between rear power seat con-
trol unit and rear seatback heater.
4.
CHECK REAR SEATBACK HEATER
Check continuity between rear seatback heater B165 (LH), B365
(RH) terminal A and 5.
OK or NG
OK
>> Check the condition of the harness and connector.
NG
>> Replace rear seatback heater.
Check Rear Heated Seat Switch Low Circuit
NIS0014S
1.
CHECK REAR HEATER SWITCH POWER SUPPLY
1.
Turn ignition switch ON.
2.
Check voltage between rear power seat control unit connector
and ground.
OK or NG
OK
>> Replace rear power seat control unit.
NG
>> When turn ignition switch ON and heater switch LOW, check the following.
●
When voltage is approx. 0V, GO TO 2.
●
When voltage is approx. 5V, GO TO 3.
5 (BR)
−
5 (BR)
:Continuity should exist
PIIA4116E
A (Y/B)
−
5 (BR)
: Continuity should exist
PIIA4118E
Connector
Terminal
(Wire color)
Condition
Voltage (V)
(Approx.)
(+)
(–)
B163 (LH)
B363 (RH)
32 (LG/W)
Ground
Turn ignition switch ON
Heater switch LOW
0
Heater switch OFF
5
PIIA4043E
SE-150
HEATED SEAT
2.
CHECK REAR POWER SEAT SWITCH (HEATER SWITCH) HEATER HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect rear power seat control unit connector and rear
power seat switch (heater switch) connector.
3.
Check continuity between rear power seat control unit connector
B163 (LH), B363 (RH) terminal 32 and ground.
OK or NG
OK
>> Replace rear power seat control unit.
NG
>> Repair or replace harness between rear power seat con-
trol unit and rear power seat switch (heater switch).
3.
CHECK REAR POWER SEAT SWITCH (HEATER SWITCH) HEATER HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect rear power seat control unit connector and rear
power seat switch (heater switch) connector.
3.
Check continuity between rear power seat control unit connector
B163 (LH), B363 (RH) terminal 32 and rear power seat switch
(heater switch) connector D55 (LH), D75 (RH) terminal 5 (LH), 6
(RH).
OK or NG
OK
>> GO TO 4.
NG
>> Repair or replace harness between rear power seat control unit and rear power seat switch
(heater switch).
4.
CHECK REAR POWER SEAT SWITCH (HEATER SWITCH)
Check continuity between rear power seat switch (heater switch).
OK or NG
OK
>> Check the condition of the harness and connector.
NG
>> Replace rear power seat switch (heater switch).
32 (LG/W)
−
Ground
:Continuity should not exist
PIIA4044E
Rear seat LH
32 (LG/W)
−
5 (L/W)
:Continuity should exist
Rear seat RH
32 (LG/W)
−
6 (Y/R)
:Continuity should exist
PIIA4045E
Terminal
Condition
Continuity
5 (LH)
6 (RH)
2
Rear heater switch LOW
Yes
Other than above
No
PIIA4046E
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