Nissan GT-R. Instruction — part 269
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
HEATED SEAT SWITCH (DRIVER SIDE)
SE-19
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
K
L
M
A
B
SE
N
O
P
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
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
HEATED SEAT RELAY
SE-21
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
K
L
M
A
B
SE
N
O
P
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
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