Infiniti G37 Coupe. Manual — part 1102
SE-76
< COMPONENT DIAGNOSIS >
LIFTING MOTOR
LIFTING MOTOR
FRONT
FRONT : Description
INFOID:0000000001694120
With the power supplied to power seat switch, lifting motor operates the up and down movement of seat cush-
ion.
FRONT : Component Function Check
INFOID:0000000001694121
1.
CHECK LIFTING MOTOR FUNCTION
Check lifting operation with power seat switch.
Is the inspection results normal?
YES
>> Lifting motor is OK.
NO
>> Refer to
SE-76, "FRONT : Diagnosis Procedure"
FRONT : Diagnosis Procedure
INFOID:0000000001694122
1.
CHECK LIFTING MOTOR CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect lifting motor connector and power seat switch connector.
3.
Check continuity between lifting motor harness connector and power seat switch harness connector.
Driver side
Passenger side
4.
Check continuity between lifting motor harness connector and ground.
Driver side
Passenger side
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace circuit.
2.
CHECK LIFTING MOTOR
Check lifting motor.
Refer to
SE-77, "FRONT : Component Inspection"
.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-38, "Intermittent Incident"
.
NO
>> Replace lifting motor. (Built in seat cushion frame.)
Lifting motor connector
Terminal
Power seat switch con-
nector
Terminal
Continuity
B528
13
B511
13
Existed
28
28
Lifting motor connector
Terminal
Power seat switch con-
nector
Terminal
Continuity
B569
13
B554
13
Existed
28
28
Lifting motor connector
Terminal
Ground
Continuity
B528
13
Ground
Not existed
28
Lifting motor connector
Terminal
Ground
Continuity
B569
13
Ground
Not existed
28
LIFTING MOTOR
SE-77
< COMPONENT DIAGNOSIS >
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FRONT : Component Inspection
INFOID:0000000001694123
1.
CHECK LIFTING MOTOR-1
Check visually the lifting motor to see if any foreign object is not disturbing the functioning or if the lifting motor
is not broken.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace seat cushion frame (lifting motor).
2.
CHECK LIFTING MOTOR-2
1.
Turn ignition switch OFF.
2.
Disconnect lifting motor connector.
3.
Supply lifting motor terminals with battery voltage and check operation.
Is the inspection result normal?
YES
>> Lifting motor is OK.
NO
>> Replace lifting motor. (Built in seat cushion frame.)
REAR
REAR : Description
INFOID:0000000001826422
With the power supplied to power seat switch, lifting motor operates the up and down movement of seat cush-
ion.
REAR : Component Function Check
INFOID:0000000001826423
1.
CHECK LIFTING MOTOR FUNCTION
Check lifting operation with power seat switch.
Is the inspection results normal?
YES
>> Lifting motor is OK.
NO
>> Refer to
SE-77, "REAR : Diagnosis Procedure"
.
REAR : Diagnosis Procedure
INFOID:0000000001826424
1.
CHECK LIFTING MOTOR CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect lifting motor connector and power seat switch connector.
3.
Check continuity between lifting motor harness connector and power seat switch harness connector.
Driver side
Passenger side
4.
Check continuity between lifting motor harness connector and ground.
Item
Terminal
Operation
(+)
(–)
Lifting motor
28
13
Up
13
28
Down
Lifting motor connector
Terminal
Power seat switch con-
nector
Terminal
Continuity
B530
14
B511
14
Existed
29
29
Lifting motor connector
Terminal
Power seat switch con-
nector
Terminal
Continuity
B570
14
B554
14
Existed
29
29
SE-78
< COMPONENT DIAGNOSIS >
LIFTING MOTOR
Driver side
Passenger side
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace circuit.
2.
CHECK LIFTING MOTOR
Check lifting motor.
Refer to
SE-78, "REAR : Component Inspection"
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-38, "Intermittent Incident"
.
NO
>> Replace lifting motor. (Built in seat cushion frame.)
REAR : Component Inspection
INFOID:0000000001826425
1.
CHECK LIFTING MOTOR-1
Check visually the lifting motor to see if any foreign object is not disturbing the functioning or if the lifting motor
is not broken.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace seat cushion frame (lifting motor).
2.
CHECK LIFTING MOTOR-2
1.
Turn ignition switch OFF.
2.
Disconnect lifting motor connector.
3.
Supply lifting motor terminals with battery voltage and check operation.
Is the inspection result normal?
YES
>> Lifting motor is OK.
NO
>> Replace lifting motor. (Built in seat cushion frame.)
Lifting motor connector
Terminal
Ground
Continuity
B530
14
Ground
Not existed
29
Lifting motor connector
Terminal
Ground
Continuity
B570
14
Ground
Not existed
29
Item
Terminal
Operation
(+)
(–)
Lifting motor
29
14
Up
14
29
Down
TILT&TELESCOPIC MOTOR
SE-79
< COMPONENT DIAGNOSIS >
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TILT&TELESCOPIC MOTOR
Description
INFOID:0000000001694124
Tilt and telescopic motor operates with the power received from automatic drive positioner control unit.
Component Function Check
INFOID:0000000001694125
1.
CHECK TILT AND TELESCOPIC MOTOR FUNCTION
Check tilt and telescopic operation with tilt and telescopic switch.
Is the inspection results normal?
YES
>> Tilt and telescopic motor are OK.
NO
>> Refer to
Diagnosis Procedure
INFOID:0000000001694126
1.
CHECK MALFUNCTIONING PART
Check malfunctioning part.
Is it tilt operation or telescopic operation?
Tilt
>> GO TO 2.
Telescopic>>GO TO 3.
2.
CHECK TILT MOTOR CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect tilt and telescopic motor connector and automatic drive positioner control unit connector.
3.
Check continuity between tilt motor harness connector and automatic drive positioner control unit harness
connector.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace circuit.
3.
CHECK TELESCOPIC MOTOR CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect tilt and telescopic motor connector and automatic drive positioner control unit connector.
3.
Check continuity between telescopic motor harness connector and automatic drive positioner control unit
harness connector.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace circuit.
4.
CHECK ADP CONTROL UNIT
1.
Connect automatic drive positioner control unit connector.
2.
Check voltage between automatic drive positioner control unit harness connector and ground.
Tilt and telescopic motor
connector
Terminal
Power seat switch con-
nector
Terminal
Continuity
M49
3
M52
42
Existed
4
35
Tilt and telescopic motor
connector
Terminal
Power seat switch con-
nector
Terminal
Continuity
M49
1
M52
44
Existed
2
36
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