Infiniti G37 Coupe. Manual — part 1100
SE-68
< COMPONENT DIAGNOSIS >
TILT&TELESCOPIC SENSOR
TILT&TELESCOPIC SENSOR
Description
INFOID:0000000001694131
Tilt and telescopic sensor detects the position of steering wheel and transmits signals to automatic drive posi-
tioner control unit.
Component Function Check
INFOID:0000000001694132
1.
CHECK TILT AND TELESCOPIC SENSOR FUNCTION
Check tilt and telescopic operation with tilt and telescopic switch.
Is the inspection results normal?
YES
>> Tilt and telescopic sensor is OK.
NO
>> Refer to
Diagnosis Procedure
INFOID:0000000001694133
1.
CHECK TILT AND TELESCOPIC SENSOR SIGNAL
1.
Turn ignition switch ON.
2.
Check voltage between automatic drive positioner control unit harness connector and ground.
Is the inspection result normal?
YES
>> Tilt and telescopic sensor are OK.
NO
>> GO TO 2.
2.
CHECK TILT AND TELESCOPIC SENSOR CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect tilt and telescopic sensor connector and automatic drive positioner control unit connector.
3.
Check continuity between tilt and telescopic sensor harness connector and automatic drive positioner
control unit harness connector.
4.
Check continuity between tilt and telescopic sensor harness connector and ground.
Is the inspection result normal?
Tilt and telescopic sensor
Ground
Condition
Voltage (V)
(Approx.)
Connector
Terminal
M51
7
Ground
Tilt position
Change between
1.2 (close to top)
3.4 (close to bottom)
23
Telescopic position
Change between
0.8 (close to top)
3.4 (close to bottom)
Tilt and telescopic sensor
connector
Terminal
Automatic drive posi-
tioner control unit
Terminal
Continuity
M48
1
M51, M52
33
Existed
2
23
3
7
4
41
Tilt and telescopic sensor
connector
Terminal
Ground
Continuity
M48
1
Ground
Not existed
2
3
4
TILT&TELESCOPIC SENSOR
SE-69
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
K
L
M
A
B
SE
N
O
P
YES
>> GO TO 3.
NO
>> Repair or replace circuit.
3.
CHECK TILT AND TELESCOPIC SENSOR POWER SUPPLY
1.
Connect automatic drive positioner control unit connector.
2.
Check voltage between automatic drive positioner control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace automatic drive positioner control unit. Refer to
SE-166, "Removal and Installation"
.
4.
CHECK TILT AND TELESCOPIC SENSOR GROUND
Check continuity between automatic drive positioner control unit harness connector and ground.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-38, "Intermittent Incident"
.
NO
>> Replace automatic drive positioner control unit. Refer to
SE-166, "Removal and Installation"
.
Automatic drive position control unit
Ground
Voltage (V)
(Approx.)
Connector
Terminal
M52
33
5
Automatic drive position control unit
Ground
Continuity
Connector
Terminal
M52
41
Existed
SE-70
< COMPONENT DIAGNOSIS >
SLIDING MOTOR
SLIDING MOTOR
DRIVER SIDE
DRIVER SIDE : Description
INFOID:0000000001694112
With power supplied to power seat switch, sliding motor operates forward and backward slide of seat.
DRIVER SIDE : Component Function Check
INFOID:0000000001907783
1.
CHECK FUNCTION
1.
Select “SEAT SLIDE” in “Active Test” mode with CONSULT-III.
2.
Check sliding motor operation.
Is the operation of relevant parts normal?
YES
>> INSPECTION END
NO
>> Perform diagnosis procedure. Refer to
SE-70, "DRIVER SIDE : Diagnosis Procedure"
DRIVER SIDE : Diagnosis Procedure
INFOID:0000000001907784
1.
CHECK SLIDING MOTOR POWER SUPPLY
1.
Turn ignition switch OFF.
2.
Disconnect sliding motor connector.
3.
Turn ignition switch ON.
4.
Perform “Active Test” (“SEAT SLIDE”) with CONSULT-lll
5.
Check voltage between sliding motor harness connector and ground.
Is the inspection result normal?
YES
>> Replace sliding motor. (Built in seat slide cushion frame.)
NO
>> GO TO 2.
2.
CHECK SLIDING MOTOR CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect driver seat control unit connector.
3.
Check continuity between driver seat control unit harness connector and sliding motor harness connector.
Test item
Description
SEAT SLIDE
OFF
Seat sliding
Stop
FR
Forward
RR
Backward
Terminal
Test item
Voltage (V)
(Approx.)
(+)
(-)
Sliding motor
connector
Terminal
B525
35
Ground
SEAT SLIDE
OFF
0
FR (forward)
Battery voltage
RR (backward)
0
42
OFF
0
FR (forward)
0
RR (backward)
Battery voltage
Driver seat control unit
connector
Terminal
Sliding motor
connector
Terminal
Continuity
B504
35
B525
35
Existed
42
42
SLIDING MOTOR
SE-71
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
K
L
M
A
B
SE
N
O
P
4.
Check continuity between driver seat control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness.
3.
CHECK SLIDING MOTOR
SE-71, "DRIVER SIDE : Component Inspection"
.
Is the inspection result normal?
YES
>> Replace driver seat control unit. Refer to
SE-164, "Removal and Installation"
NO
>> Repair or replace the malfunctioning part.
DRIVER SIDE : Component Inspection
INFOID:0000000001694115
1.
CHECK SLIDING MOTOR-1
Check visually the sliding motor to see if any foreign object is not disturbing the functioning or if the sliding
motor is not broken.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace seat cushion frame (sliding motor).
2.
CHECK SLIDING MOTOR-2
1.
Turn ignition switch OFF.
2.
Disconnect sliding motor connector.
3.
Supply sliding motor terminals with battery voltage and check operation.
Is the inspection result normal?
YES
>> Sliding motor is OK.
NO
>> Replace sliding motor. (Built in seat cushion frame.)
PASSENGER SIDE
PASSENGER SIDE : Description
INFOID:0000000001826363
With power supplied to power seat switch, sliding motor operates forward and backward slide of seat.
PASSENGER SIDE : Component Function Check
INFOID:0000000001907880
1.
CHECK SLIDING MOTOR CIRCUIT
Check sliding operation with power seat switch.
Is the inspection results normal?
YES
>> Sliding motor is OK.
NO
>> Perform diagnosis procedure. Refer to
SE-71, "PASSENGER SIDE : Diagnosis Procedure"
.
PASSENGER SIDE : Diagnosis Procedure
INFOID:0000000001907881
1.
CHECK SLIDING MOTOR CIRCUIT
1.
Turn ignition switch OFF.
Driver seat control unit
connector
Terminal
Ground
Continuity
B504
35
Not existed
42
Terminal
Operation
(+)
(–)
35
42
Forward
42
35
Backward
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