Infiniti Q45. Manual — part 824
AUTOMATIC DRIVE POSITIONER
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Diagnostic Result Display
●
The malfunctioning items are indicated by how many times LEDs on the seat memory switches 1 and 2
flash simultaneously.
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If the vehicle speed is less than 7 km/h (4 MPH) for 15 seconds after the diagnosis for the seat and steer-
ing wheel systems were completed, the vehicle speed signal is judged malfunctioning.
●
If LH door mirror is malfunctioning, only indicator lamp on the memory switch 1 flashes, and if RH door
mirror is malfunctioning, only indicator lamp on the memory switch 2 flashes.
●
When all the diagnosis are finished normally, the indicator lamps on the memory switches 1 and 2 go off
after the vehicle speed signal diagnosis.
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If there are multiple malfunctioning parts, the lamps indicate them in sequence from the smallest diagno-
sis trouble code.
●
The diagnosis results repeat until the diagnosis mode is cancelled.
PIIA0190E
SE-52
AUTOMATIC DRIVE POSITIONER
Symptom Chart
NIS0012P
Symptom
Diagnoses / service procedure
Refer to
page
A part of seat system does not operate
(both automatically and manually).
1.
Check sliding motor circuit
2.
Check reclining motor circuit
3.
Check front lifting motor circuit
4.
Check rear lifting motor circuit
5.
If the above systems are normal, replace the BCM
—
A part of steering wheel system does not operate
(both automatically and manually).
1.
Check telescopic motor circuit
2.
Check tilt motor circuit
3.
If the above systems are normal, replace the BCM
—
Door mirrors cannot be actuated in both automatic and
manual modes.
1.
Check door mirror remote control switch (changeover
switch) circuit
2.
Check door mirror remote control switch (mirror switch)
system
3.
If the above systems are normal, replace the BCM
–
A part of seat system does not operate
(only automatic operation).
1.
Check sliding sensor circuit
2.
Check reclining sensor circuit
3.
Check front lifting sensor circuit
4.
Check rear lifting sensor circuit
5.
If the above systems are normal, replace the driver seat
control unit
–
Door mirrors cannot be actuated in automatic mode.
1.
Check back-up input signal circuit in R position
2.
Check mirror sensors circuit
3.
If the above systems are normal, replace the door mirror
control unit
–
All the automatic operations do not operate.
1.
Check detention switch circuit
2.
Check telescopic sensor circuit
3.
Check tilt sensor circuit
4.
Check vehicle speed signal
5.
If all the above systems are normal, replace the BCM
–
Seat or steering wheel memory does not work.
1.
Check seat memory switch circuit
2.
If the above systems are normal, replace the BCM
–
Only manual operation does not operate.
1.
Check sliding switch circuit
2.
Check reclining switch circuit
3.
Check front lifting switch circuit
4.
Check rear lifting switch circuit
5.
Check telescopic switch circuit
6.
Check tilt system switch circuit
7.
Check door mirror remote control switch (mirror switch)
circuit
8.
If all the above systems are normal, replace the driver seat
control unit for the seat system, the BCM for the steering
wheel system
–
The entry / exiting does not operated when door is
opened and closed
(The entry / exiting operates with key switch)
1.
Check seat memory indicator lamp circuit
2.
If the above systems are normal, replace the BCM
–
AUTOMATIC DRIVE POSITIONER
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Seat memory indicator lamps 1 and 2 do not illuminate.
1.
Check front door switch (driver side) circuit
2.
If the above systems are normal, replace the BCM
–
Auto driving position system self-diagnosis does not
work. (With out CONSULT-II)
1.
Check detention switch circuit
2.
Check key switch and key lock solenoid circuit
3.
Check seat memory switch circuit
4.
Check seat memory indicator lamp circuit
5.
Check vehicle speed signal
6.
If all the above systems are normal, retry the self-diagnosis.
If the self-diagnosis are still disable, check the driver seat
control unit connector and terminals for looseness and
damage
–
Lumber support motor does not operated.
Check lumber support circuit
Turnout operation of rear power seat LH does not
operate, bat rear power seat can be operated by rear
power seat switch.
Check rear power seat turnout operation.
Symptom
Diagnoses / service procedure
Refer to
page
SE-54
AUTOMATIC DRIVE POSITIONER
Check Sliding Motor Circuit
NIS0012Q
1.
CHECK SEAT SLIDING MECHANISM
Check the following.
●
Operation malfunction caused by sliding rail deformation or pinched harness or other foreign materials
●
Operation malfunction caused by foreign materials adhered to the sliding motor or sliding rail connector
rod
●
Operation malfunction and interference with other parts by poor installation
OK or NG
OK
>> GO TO 2.
NG
>> Repair the malfunction part and check again.
2.
CHECK FUNCTION
With CONSULT-II
Check operation with "SEAT SLIDE" in ACTIVE TEST.
Without CONSULT-II
Perform the on-board diagnosis. Refer to
SE-50, "ON BOARD DIAGNOSIS FOR AUTOMATIC DRIVE POSI-
OK or NG
OK
>> System is OK.
NG
>> GO TO 3.
3.
CHECK HARNESS CONTINUITY
1.
Turn ignition switch OFF.
2.
Disconnect driver seat control unit connector and sliding motor connector.
3.
Check continuity between driver seat control unit connector
B142 terminals 1, 8 and sliding motor connector B146 terminals
1, 8.
4.
Check continuity between driver seat control unit connector
B142 terminals 1, 8 and ground.
OK or NG
OK
>> GO TO 4.
NG
>> Repair or replace harness between driver seat control unit and sliding motor.
Test item
Description
SEAT SLIDE
The sliding motor is activated by receiving the drive signal.
PIIA0265E
1 (W) – 1 (W)
: Continuity should exist.
8 (BR) – 8 (BR)
: Continuity should exist.
1 (W) – Ground
:Continuity should not exist.
8 (BR) – Ground
:Continuity should not exist.
PIIA2921E
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