Nissan GT-R (2007-2014 year). SEAT. Service Manual — part 2
HEATED SEAT SWITCH (DRIVER SIDE)
SE-17
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HEATED SEAT SWITCH (DRIVER SIDE)
Description
INFOID:0000000009162910
Adjusts heated seat temperature and deactivates heated seat.
Component Function Check
INFOID:0000000009162911
1.
CHECK FUNCTION
Check that heated seat warms to preset temperature when operating heated seat switch to the optimal posi-
tion.
Is the inspection result normal?
YES
>> Heated seat switch function is OK.
NO
>> Refer to
Diagnosis Procedure
INFOID:0000000009162912
1.
CHECK HEATED SEAT CONTROL UNIT INPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect heated seat control unit connector.
3.
Turn ignition switch ON.
4.
Check voltage between heated seat control unit harness connector and ground.
Is the inspection result normal?
YES
>> Heated seat switch circuit is OK.
NO
>> GO TO 2.
2.
CHECK HEATED SEAT SWITCH CIRCUIT 1
1.
Turn ignition switch OFF.
2.
Disconnect heated seat switch connector, diode3 and diode4 connector.
3.
Check continuity between heated seat switch harness connector and diode3 harness connector.
4.
Check continuity between heated seat switch harness connector and diode4 harness connector.
5.
Check continuity between heated seat switch harness connector and ground.
(+)
(–)
Condition
Voltage (V)
(Approx.)
Heated seat control unit
Connector
Terminal
B519
81
Ground
Heated seat switch
OFF
0
LO
12.24
HI
12.90
80
OFF
0
LO
Battery voltage
HI
Heated seat switch
Diaudo3
Continuity
Connector
Terminal
Connector
Terminal
B513
22
B520
22
Existed
23
23
Heated seat switch
Diaudo4
Continuity
Connector
Terminal
Connector
Terminal
B513
22
B521
83
Existed
23
82
2014 GT-R
SE-18
< DTC/CIRCUIT DIAGNOSIS >
HEATED SEAT SWITCH (DRIVER SIDE)
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness.
3.
CHECK HEATED SEAT SWITCH CIRCUIT 2
Check resistance between heated seat switch harness connector and diode4 harness connector.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK HEATED SEAT SWITCH CIRCUIT 3
1.
Check continuity between heated seat control unit harness connector and diode3 harness connector.
2.
Check continuity between heated seat control unit harness connector and diode4 harness connector.
3.
Check continuity between heated seat control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace harness.
5.
CHECK HEATED SEAT SWITCH
Check heated seat switch.
Refer to
.
Is the inspection result normal?
YES
>> Replace harness between heated seat switch and heated seat control unit.
NO
>> Replace heated seat switch.
Component Inspection
INFOID:0000000009162913
1.
CHECK FRONT HEATED SEAT SWITCH
1.
Turn ignition OFF.
Heated seat switch
Ground
Continuity
Connector
Terminal
B513
22
Not existed
23
Heated seat switch
Diaudo4
Condition
Resistance
(
Ω
)
(Approx.)
Connector
Terminal
Connector
Terminal
B513
22
B521
83
Heated seat
switch
LO
2.400
23
82
HI
0.384
Heated seat control unit
Diaudo3
Continuity
Connector
Terminal
Connector
Terminal
B519
80
B520
80
Existed
Heated seat control unit
Diaudo4
Continuity
Connector
Terminal
Connector
Terminal
B519
81
B521
81
Existed
Heated seat control unit
Ground
Continuity
Connector
Terminal
B519
80
Not existed
81
2014 GT-R
HEATED SEAT SWITCH (DRIVER SIDE)
SE-19
< DTC/CIRCUIT DIAGNOSIS >
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2.
Disconnect heated seat switch connector.
3.
Check continuity between heated seat switch terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace heated seat switch.
Heated seat switch
Condition
Continuity
Terminal
18
22
Heated seat switch
OFF
Not existed
LO
Existed
23
OFF
Not existed
HI
Existed
2014 GT-R
SE-20
< DTC/CIRCUIT DIAGNOSIS >
HEATED SEAT RELAY
HEATED SEAT RELAY
Description
INFOID:0000000009162914
Power is supplied to the heated seat using ignition power supply control.
Component Function Check
INFOID:0000000009162915
1.
CHECK FUNCTION
Check that heated seat warms to preset temperature when operating heated seat switch to the optimal posi-
tion.
Is the inspection result normal?
YES
>> Heated seat relay function is OK.
NO
>> Refer to
Diagnosis Procedure
INFOID:0000000009162916
1.
CHECK HEATED SEAT RELAY POWER SUPPLY 1
1.
Turn ignition switch OFF.
2.
Disconnect heated seat relay.
3.
Turn ignition switch ON.
4.
Check voltage between heated seat relay terminal connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 2.
2.
CHECK HEATED SEAT RELAY POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect fuse block (J/B) connector.
3.
Turn ignition switch ON.
4.
Check continuity between heated seat relay terminal connector and fuse block (J/B) harness connector.
5.
Check continuity between heated seat relay terminal connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness.
3.
DETECT MALFUNCTIONING PART
Check the following.
• 10 A fuse (#3)
• Harness for open or short between fuse block (J/B) harness connector and battery terminal.
Is the inspection result normal?
YES
>> GO TO 8.
(+)
(–)
Voltage (V)
(Approx.)
Heated seat relay
Connector
Terminal
M70
2
Ground
Battery voltage
Heated seat relay
Fuse block (J/B)
Continuity
Connector
Terminal
Connector
Terminal
M70
2
M1
2A
Existed
Heated seat relay
Ground
Continuity
Connector
Terminal
M70
2
Not existed
2014 GT-R
HEATED SEAT RELAY
SE-21
< DTC/CIRCUIT DIAGNOSIS >
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NO
>> Repair or replace the malfunctioning parts.
4.
CHECK HEATED SEAT RELAY GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Check continuity between heated seat relay terminal connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace harness.
5.
CHECK HEATED SEAT RELAY POWER SUPPLY 2
1.
Turn ignition switch OFF.
2.
Check continuity between heated seat relay terminal connector and ground.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> GO TO 6.
6.
DETECT MALFUNCTIONING PART
Check the following.
• 15 A fuse (#35)
• Harness for open or short between heated seat relay terminal connector and battery terminal.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> Repair or replace the malfunctioning parts.
7.
CHECK HEATED SEAT RELAY
Check heated seat relay.
Refer to
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> Replace heated seat relay.
8.
CHECK INTERMITTENT INCIDENT
Check intermittent incident.
Refer to
GI-38, "Intermittent Incident"
>> INSPECTION END
Component Inspection
INFOID:0000000009162917
1.
CHECK HEATED SEAT RELAY
1.
Turn ignition switch OFF.
2.
Disconnect heated seat relay.
3.
Check continuity between heated seat relay terminals.
Heated seat relay
Ground
Continuity
Connector
Terminal
M70
1
Existed
(+)
(–)
Voltage (V)
(Approx.)
Heated seat relay
Connector
Terminal
M70
5
Ground
Battery voltage
2014 GT-R
SE-22
< DTC/CIRCUIT DIAGNOSIS >
HEATED SEAT RELAY
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace heated seat relay.
heated seat relay
Condition
Continuity
Terminal
3
5
12 V direct current supply between termi-
nals 1 and 2.
Existed
No current supply
Not existed
SEF497Y
2014 GT-R
HEAT SENSOR
SE-23
< DTC/CIRCUIT DIAGNOSIS >
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HEAT SENSOR
Description
INFOID:0000000009162918
Detects seat cushion heater temperature and outputs to heated seat control unit.
Component Function Check
INFOID:0000000009162919
1.
CHECK FUNCTION
Check that heated seat warms to preset temperature when operating heated seat switch to the optimal posi-
tion.
Is the inspection result normal?
YES
>> Heat sensor function is OK.
NO
>> Refer to
Diagnosis Procedure
INFOID:0000000009162920
1.
CHECK HEAT SENSOR INPUT SIGNAL
1.
Turn ignition switch ON.
2.
Check voltage between heated seat control unit harness connector and ground.
NOTE:
Voltage is repeated within the value shown as per the following list depending on heater unit temperature.
Is the inspection result normal?
YES
>> heat sensor is OK.
NO
>> GO TO 2.
2.
CHECK HEAT SENSOR CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect heated seat control unit connector and seat cushion heater connector.
3.
Check continuity between heated seat control unit harness connector and seat cushion heater harness
connector.
4.
Check continuity between heated seat control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness.
3.
CHECK HEAT SENSOR POWER SUPPLY
1.
Turn ignition switch ON.
2.
Check voltage between seat cushion heater harness connector and ground.
(+)
(–)
Condition
Voltage (V)
(Approx.)
Heated seat control unit
Connector
Terminal
B519
40
Ground
Heated seat switch
OFF
0
LO
10.87 – 11.02
HI
11.31 – 11.43
Heated seat control unit
Seat cushion heater
Continuity
Connector
Terminal
Connector
Terminal
B519
40
B518
40
Existed
Heated seat control unit
Ground
Continuity
Connector
Terminal
B519
40
Not existed
2014 GT-R
SE-24
< DTC/CIRCUIT DIAGNOSIS >
HEAT SENSOR
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 4.
4.
CHECK HEAT SENSOR POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect diode3 connector and heated seat control unit connector.
3.
Check continuity between diode3 harness connector and seat cushion heater harness connector.
4.
Check continuity between seat cushion heater harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace harness.
5.
CHECK HEAT SENSOR
Check heat sensor. Refer to
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Replace seat cushion heater.
6.
CHECK INTERMITTENT INCIDENT
Check intermittent incident.
Refer to
GI-38, "Intermittent Incident"
>> INSPECTION END
Component Inspection
INFOID:0000000009162921
1.
CHECK HEAT SENSOR
1.
Turn ignition switch OFF.
2.
Disconnect seat cushion heater connector.
3.
Check resistance between seat cushion heater terminals.
NOTE:
Resistance value changes according to temperature.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace seat cushion heater.
(+)
(–)
Condition
Voltage (V)
(Approx.)
Seat cushion heater
Connector
Terminal
B518
80
Ground
Heated seat switch
LO / HI
Battery voltage
Seat cushion heater
diode3
Continuity
Connector
Terminal
Connector
Terminal
B518
80
B520
80
Existed
Seat cushion heater
Ground
Continuity
Connector
Terminal
B518
80
Not existed
Seat cushion heater
Condition
Resistance
(K
Ω
)
(Approx.)
Terminal
40
80
When heat sensor temperature is 25
°
C (77
°
F)
9.9 – 10.2
2014 GT-R
SEAT CUSHION HEATER (DRIVER SIDE)
SE-25
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SEAT CUSHION HEATER (DRIVER SIDE)
Description
INFOID:0000000009162922
Warms the seat cushion.
Component Function Check
INFOID:0000000009162923
1.
CHECK FUNCTION
Check that heated seat warms to preset temperature when operating heated seat switch to the optimal posi-
tion.
Is the inspection result normal?
YES
>> Seat cushion heater function is OK.
NO
>> Refer to
Diagnosis Procedure
INFOID:0000000009162924
1.
CHECK SEAT CUSHION HEATER INPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect seat cushion heater connector.
3.
Turn ignition switch ON.
4.
Check voltage between seat cushion heater harness connector and ground.
NOTE:
Voltage is repeated within the value shown as per the following list depending on heater unit temperature.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK SEAT CUSHION HEATER CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect heated seat control unit connector.
3.
Check continuity between seat cushion heater harness connector and heated seat control unit harness
connector.
4.
Check continuity between seat cushion heater harness connector and ground.
Is the inspection result normal?
YES
>> Replace heated seat control unit.
NO
>> Repair or replace harness.
3.
CHECK SEAT CUSHION HEATER OUTPUT SIGNAL
1.
Turn ignition switch OFF.
(+)
(–)
Condition
Voltage (V)
(Approx.)
Seat cushion heater
Connector
Terminal
B518
41
Ground
Heated seat
Operates
0 – Battery voltage
Other than above
0
Seat cushion heater
Heated seat control unit
Continuity
Connector
Terminal
Connector
Terminal
B518
41
B519
41
Existed
Seat cushion heater
Ground
Continuity
Connector
Terminal
B518
41
Not existed
2014 GT-R
SE-26
< DTC/CIRCUIT DIAGNOSIS >
SEAT CUSHION HEATER (DRIVER SIDE)
2.
Connect seat cushion heater connector.
3.
Disconnect seatback heater connector.
4.
Turn ignition switch ON.
5.
Check voltage between seat cushion heater harness connector and ground.
NOTE:
Voltage is repeated within the value shown as per the following list depending on heater unit temperature.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace seat cushion heater.
4.
CHECK SEAT CUSHION HEATER GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect seat cushion heater connector.
3.
Check continuity between seat cushion heater harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace harness.
5.
CHECK SEAT CUSHION HEATER
Check seat cushion heater.
Refer to
.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Replace seat cushion heater.
6.
CHECK INTERMITTENT INCIDENT
Check intermittent incident.
Refer to
GI-38, "Intermittent Incident"
>> INSPECTION END
Component Inspection
INFOID:0000000009162925
1.
CHECK SEAT CUSHION HEATER (MAIN HEATER CIRCUIT)
1.
Turn ignition switch OFF.
2.
Disconnect seat cushion heater connector.
3.
Check resistance between seat cushion heater terminals.
NOTE:
Resistance value changes according to temperature.
Is the inspection result normal?
(+)
(–)
Condition
Voltage (V)
(Approx.)
Seat cushion heater
Connector
Terminal
B518
12
Ground
Heated seat
Operates
0 – Battery voltage
Other than above
0
Seat cushion heater
Ground
Continuity
Connector
Terminal
B518
21
Existed
Seat cushion heater
Condition
Resistance
(
Ω
)
(Approx.)
Terminal
21
41
When heat sensor temperature is 20
°
C (68
°
F)
2.99 – 3.59
2014 GT-R
SEAT CUSHION HEATER (DRIVER SIDE)
SE-27
< DTC/CIRCUIT DIAGNOSIS >
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YES
>> GO TO 2.
NO
>> Replace seat cushion heater.
2.
CHECK SEAT CUSHION HEATER (SEATBACK HEATER CIRCUIT)
Check resistance between seat cushion heater terminals.
NOTE:
Resistance value changes according to temperature.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace seat cushion heater.
Seat cushion heater
Condition
Resistance
(
Ω
)
(Approx.)
Terminal
21
12
When heat sensor temperature is 20
°
C (68
°
F)
3.13 – 3.75
2014 GT-R
SE-28
< DTC/CIRCUIT DIAGNOSIS >
SEATBACK HEATER (DRIVER SIDE)
SEATBACK HEATER (DRIVER SIDE)
Description
INFOID:0000000009162926
Warms the seatback.
Component Function Check
INFOID:0000000009162927
1.
CHECK FUNCTION
Check that heated seat warms to preset temperature when operating heated seat switch to the optimal posi-
tion.
Is the inspection result normal?
YES
>> Seatback heater function is OK.
NO
>> Refer to
Diagnosis Procedure
INFOID:0000000009162928
1.
CHECK SEAT CUSHION HEATER INPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect seatback heater connector.
3.
Turn ignition switch ON.
4.
Check voltage between seatback heater harness connector and ground.
NOTE:
Voltage is repeated within the value shown as per the following list depending on heater unit temperature.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK SEATBACK HEATER CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect seat cushion heater connector.
3.
Check continuity between seatback heater harness connector and seat cushion heater harness connec-
tor.
4.
Check continuity between seatback heater harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace harness.
3.
CHECK SEATBACK HEATER OUTPUT SIGNAL
1.
Turn ignition switch OFF.
(+)
(–)
Condition
Voltage (V)
(Approx.)
Seatback heater
Connector
Terminal
B515
12
Ground
Heated seat
Operates
0 – Battery voltage
Other than above
0
Seatback heater
Seat cushion heater
Continuity
Connector
Terminal
Connector
Terminal
B515
12
B508
12
Existed
Seatback heater
Ground
Continuity
Connector
Terminal
B515
12
Not existed
2014 GT-R
SEATBACK HEATER (DRIVER SIDE)
SE-29
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2.
Connect seat cushion heater connector.
3.
Check continuity between seatback heater harness connector and seat cushion heater harness connec-
tor.
4.
Check continuity between seatback heater harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace seat cushion heater.
4.
CHECK SEAT CUSHION HEATER
Check seat cushion heater.
Refer to
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace seat cushion heater.
5.
CHECK SEATBACK HEATER
Check seatback heater.
Refer to
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Replace seatback heater.
6.
CHECK INTERMITTENT INCIDENT
Check intermittent incident.
Refer to
GI-38, "Intermittent Incident"
>> INSPECTION END
Component Inspection (Seat Cushion Heater)
INFOID:0000000009162929
1.
CHECK SEAT CUSHION HEATER
1.
Turn ignition switch OFF.
2.
Disconnect seat cushion heater connector.
3.
Check continuity between seatback heater terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace seat cushion heater.
Component Inspection (Seatback Heater)
INFOID:0000000009162930
1.
CHECK SEATBACK HEATER
1.
Turn ignition switch OFF.
2.
Disconnect seatback heater connector.
Seatback heater
Seat cushion heater
Continuity
Connector
Terminal
Connector
Terminal
B515
51
B508
51
Existed
Seatback heater
Ground
Continuity
Connector
Terminal
B515
51
Not existed
Seat cushion heater
Continuity
Terminal
51
21
Existed
2014 GT-R
SE-30
< DTC/CIRCUIT DIAGNOSIS >
SEATBACK HEATER (DRIVER SIDE)
3.
Check resistance between seatback heater terminals.
NOTE:
Resistance value changes according to temperature.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace seatback heater.
Seatback heater
Condition
Resistance
(
Ω
)
Terminal
12
51
When heat sensor temperature is 20
°
C (68
°
F)
3.51 – 4.21
2014 GT-R
HEATED SEAT SWITCH INDICATOR (DRIVER SIDE)
SE-31
< DTC/CIRCUIT DIAGNOSIS >
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HEATED SEAT SWITCH INDICATOR (DRIVER SIDE)
Description
INFOID:0000000009162931
Illuminates the indicator that indicates the operating status of heated seat.
Component Function Check
INFOID:0000000009162932
1.
CHECK FUNCTION
Check that the related indicator lamp illuminates when heated seat switch is set to ON.
Is the inspection result normal?
YES
>> Heated seat switch indicator function is OK.
NO
>> Refer to
Diagnosis Procedure
INFOID:0000000009162933
1.
CHECK HEATED SEAT SWITCH INDICATOR GROUND CIRCUIT
1.
Turn ignition switch OFF
2.
Disconnect heated seat switch connector.
3.
Check continuity between heated seat switch harness connector and ground.
Is the inspection result normal?
YES
>> Replace heated seat switch.
NO
>> Repair or replace harness.
Heated seat switch
Ground
Continuity
Connector
Terminal
B513
21
Existed
2014 GT-R
SE-32
< SYMPTOM DIAGNOSIS >
DRIVER HEATED SEAT DOES NOT OPERATE
SYMPTOM DIAGNOSIS
DRIVER HEATED SEAT DOES NOT OPERATE
Diagnosis Procedure
INFOID:0000000009162934
1.
CHECK HEATED SEAT CONTROL UNIT POWER SUPPLY AND GROUND CIRCUIT
Check heated seat switch power supply and ground circuit.
Refer to
SE-14, "HEATED SEAT CONTROL UNIT : Diagnosis Procedure"
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace the malfunctioning parts.
2.
CHECK HEATED SEAT RELAY
Check heated seat relay.
Refer to
SE-20, "Component Function Check"
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace the malfunctioning parts.
3.
CHECK HEATED SEAT SWITCH POWER SUPPLY
Check heated seat switch power supply.
Refer to
SE-17, "Component Function Check"
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace the malfunctioning parts.
4.
CHECK HEATED SEAT SWITCH
Check heated seat switch.
Refer to
SE-17, "Component Function Check"
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace the malfunctioning parts.
5.
CHECK SEAT CUSHION HEATER
Check seat cushion heater.
Refer to
SE-25, "Component Function Check"
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace the malfunctioning parts.
6.
CONFIRM THE OPERATION
Confirm the operation again.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-38, "Intermittent Incident"
.
NO
>> GO TO 1.
2014 GT-R
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