Infiniti G35 (V35) Sedan. Manual — part 1136
POWER SEAT POWER SUPPLY CIRCUIT
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< COMPONENT DIAGNOSIS >
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COMPONENT DIAGNOSIS
POWER SEAT POWER SUPPLY CIRCUIT
Component Function Check
INFOID:0000000000960472
1.
CHECK DOOR LOCK FUNCTION
Check door lock function.
Refer to
DLK-10, "DOOR LOCK AND UNLOCK SWITCH : System Description"
Is the inspection results normal?
YES
>> GO TO 2.
NO
>> Refer to
DLK-168, "DOOR LOCK AND UNLOCK SWITCH : Symptom Table"
.
2.
CHECK POWER SEAT FUNCTION
Check slide operation with power seat switch.
Is the inspection results normal?
YES
>> Power seat power supply circuit is OK.
NO
>> Refer to
Diagnosis Procedure
INFOID:0000000000960473
1.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect power seat switch and side support unit connectors.
3.
Check voltage between power seat switch connector and ground.
4.
Check voltage between side support unit connector and ground.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-39, "Intermittent Incident"
.
NO
>> Repair or replace power supply circuit.
Terminals
Voltage
(+)
(-)
Power seat switch connector
Terminal
B414
1
Ground
Battery voltage
Terminals
Voltage
(+)
(-)
Side supoort unit connector
Terminal
B420
1
Ground
Battery voltage
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< COMPONENT DIAGNOSIS >
HEATED SEAT POWER SUPPLY AND GROUND CIRCUIT
HEATED SEAT POWER SUPPLY AND GROUND CIRCUIT
Component Function Check
INFOID:0000000000960474
1.
CHECK HEATED SEAT FUNCTION
1.
Turn ignition switch ON.
2.
Check operation of heated seat with heated seat switch.
Is the inspection result normal?
YES
>> Heated seat power supply and ground circuit are OK.
NO
>> Refer to
Diagnosis Procedure
INFOID:0000000000960475
1.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect heated seat switch connector.
3.
Check voltage between heated seat switch (driver side) and ground.
4.
Check voltage between heated seat switch (passenger side) and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace power supply circuit.
2.
CHECK GROUND CIRCUIT
1.
Check continuity between heated seat switch (driver side) and ground.
2.
Check continuity between heated seat switch (passenger side) and ground.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-39, "Intermittent Incident"
.
NO
>> Repair or replace power supply circuit.
Terminals
Voltage
(+)
(-)
Heated seat switch connector
Terminal
M138 (with A/T)
M172 (with M/T)
1
Ground
Battery voltage
Terminals
Voltage
(+)
(-)
Heated seat switch connector
Terminal
M140 (with A/T)
M173 (with M/T)
1
Ground
Battery voltage
Heated seat switch connector
Terminal
Ground
Continuity
M138 (with A/T)
M172 (with M/T)
4
Existed
Heated seat switch connector
Terminal
Ground
Continuity
M140 (with A/T)
M173 (with M/T)
4
Existed
POWER SEAT SWITCH
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< COMPONENT DIAGNOSIS >
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POWER SEAT SWITCH
Description
INFOID:0000000000960476
With a built-in reclining switch, sliding switch and lifting switch, power seat switch controls the power supplied
to each motor.
Component Function Check
INFOID:0000000000960477
1.
CHECK POWER SEAT SWITCH FUNCTION
Check power seat operation with power seat switch.
Is the inspection results normal?
YES
>> Power seat switch is OK.
NO
>> Refer to
Diagnosis Procedure
INFOID:0000000000960478
1.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect power seat switch connector.
3.
Check continuity between power seat switch (driver side) and ground.
4.
Check continuity between power seat switch (passenger side) and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace ground circuit.
2.
CHECK POWER SEAT SWITCH
Check power seat switch function.
Refer to
Is the inspection result normal?
YES
>> Power seat switch is OK.
NO
>> Replace power seat switch.
Component Inspection
INFOID:0000000000960479
NOTE:
Same component inspection procedure for driver seat and passenger seat.
1.
CHECK POWER SEAT SWITCH
1.
Turn ignition switch OFF.
2.
Remove power seat switch.
3.
Detect the malfunctioning switch.
Which switch is malfunctioning?
RECLINING SWITCH>>GO TO 2.
SLIDING SWITCH>>GO TO 3.
LIFTING MOTOR (FRONT)>>GO TO 4.
LIFTING MOTOR (REAR)>>GO TO 5.
2.
CHECK RECLINING SWITCH
Check continuity between power seat switch terminals.
Power seat switch connector
Terminal
Ground
Continuity
B414
2
Existed
Power seat switch connector
Terminal
Ground
Continuity
B434
2
Existed
SE-14
< COMPONENT DIAGNOSIS >
POWER SEAT SWITCH
Is the inspection result normal?
YES
>> Power seat switch (reclining switch) is OK.
NO
>> Replace power seat switch. Refer to
SE-109, "Removal and Installation"
3.
CHECK SLIDING SWITCH
Check continuity between power seat switch terminals.
Is the inspection result normal?
YES
>> Power seat switch (sliding switch) is OK.
NO
>> Replace power seat switch. Refer to
SE-109, "Removal and Installation"
4.
CHECK LIFTING SWITCH (FRONT)
Check continuity between power seat switch terminals.
Terminal
Switch condition
Continuity
1
3
Forward
Existed
Neutral
Not existed
Back ward
Not existed
2
Forward
Not existed
Neutral
Not existed
Back ward
Existed
1
4
Forward
Not existed
Neutral
Not existed
Back ward
Existed
2
Forward
Existed
Neutral
Not existed
Back ward
Not existed
Terminal
Switch condition
Continuity
1
5
Forward
Existed
Neutral
Not existed
Back ward
Not existed
2
Forward
Not existed
Neutral
Not existed
Back ward
Existed
1
6
Forward
Not existed
Neutral
Not existed
Back ward
Existed
2
Forward
Existed
Neutral
Not existed
Back ward
Not existed
Terminal
Switch condition
Continuity
1
9
Up
Existed
Neutral
Not existed
Down
Not existed
2
Up
Not existed
Neutral
Not existed
Down
Existed
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