Infiniti M45 (Y34). Manual — part 755
AUTOMATIC DRIVE POSITIONER
SE-41
C
D
E
F
G
H
J
K
L
M
A
B
SE
4.
Touch “NEXT” to select the local control unit (LCU) to be diagnosed.
5.
Check that any malfunction is displayed. If necessary, touch “PRINT” to keep the record.
6.
Carry out the inspection of the malfunctioning item.
Trouble Diagnosis Chart
NOTE:
●
For a specific local control unit (LCU), either “PAST COMM DATA” or “PAST NO RESPONSE” may be displayed instead of the
above results.The data record, causes this, so erase the records.
(The display only shows the incident records, they are not malfunctions caused during the diagnosis. One possible cause is that an
intermittent incident occurred.)
●
Follow the steps below to erase the memory.
Carry out either disconnect BCM battery power supply or erase memory with CONSULT-II.
●
With the battery connected, if the local control unit (LCU) connector is disconnected and left for approximately 1 minute, the BCM
stores “NO RESPONSE” record.
Malfunctioning
item
Display unit
CONSULT–II IVMS communication
diagnosis content
Self-diagnosis
trouble code
No.
Malfunctioning system and
reference
COMM DATA
One LCU is dis-
played.
POWER WINDOW C/U–DR "COM-
MDATA"
24
Replace the displayed
LCU.
DOOR MIRROR C/U–RH "COM-
MDATA"
27
DOOR MIRROR C/U–LH "COM-
MDATA"
37
POWER SEAT C/U–DR
"COMMDATA"
47
Multiple LCUs
are displayed.
BCM
"COMMFAIL1","COMMFAIL2"
Displays in
order of 24
→
27
→
37
→
47
→
and cycles
from 24.
Communication system A:
Refer to
NO
RESPONSE
One LCU is dis-
played.
POWER WINDOW C/U–DR "NORE-
SPONSE"
25
Communication system B:
Refer to
DOOR MIRROR C/U–RH "NORE-
SPONSE"
28
DOOR MIRROR C/U–LH "NORE-
SPONSE"
38
POWER SEAT C/U–DR
"NORESPONSE"
48
Multiple LCUs
are displayed.
BCM/HARNESS
Displays in
order of
25
→
28
→
38
→
4
8 and cycles
from 25.
Communication system C:
Refer to
SLEEP malfunc-
tion
One LCU is dis-
played.
POWER WINDOW C/U–DR "SLEEP"
No self-diagno-
sis function
Replace the displayed
LCU.
DOOR MIRROR C/U–RH
"SLEEP"
DOOR MIRROR C/U–LH
"SLEEP"
POWER SEAT C/U–DR
"SLEEP"
Multiple LCUs
are displayed.
All the above control units are displayed.
No self-diagno-
sis function
SE-42
AUTOMATIC DRIVE POSITIONER
COMMUNICATION SYSTEM A
1.
CHECK BCM
Replace the BCM with a known-good one, and carry out the communication diagnosis. Refer to
OK or NG
OK
>> The harness and connector is checked, and it is normal, replace BCM.
NG
>> GO TO 2.
2.
CHECK LCU
1.
Replace with the previously installed BCM.
2.
Replace the LCU with a known-good one, and carry out the communication diagnosis. Refer to
"IVMS Communication Diagnosis"
OK or NG
OK
>> The harness and connector is checked, and it is normal, replace LCU.
NG
>> Repair or replace harness between the LCU and BCM.
COMMUNICATION SYSTEM B
1.
CHECK HARNESS CONNECTOR
Check terminals (at the control unit and harness) on the malfunctioning LCU for disconnection, bend, loose
connection, and other malfunctions.
OK or NG
OK
>> GO TO 2.
NG
>> Repair the terminals and connectors.
2.
CHECK LCU
Replace the malfunctioning LCU with a known-good one, and carry out the communication diagnosis. Refer to
SE-40, "IVMS Communication Diagnosis"
.
OK or NG
OK
>> The harness and connector is checked, and it is normal, replace LCU.
NG
>> Repair the harness between the indicated LCU and BCM.
COMMUNICATION SYSTEM C
1.
CHECK HARNESS CONNECTOR
Check terminals (at the control unit and harness) on BCM and LCU for disconnection, bend, loose connection,
and other malfunctions.
OK or NG
OK
>> GO TO 2.
NG
>> Repair the terminals and connectors.
2.
CHECK BCM
Replace the malfunctioning BCM with a known-good one, and carry out the communication diagnosis. Refer
to
SE-40, "IVMS Communication Diagnosis"
OK or NG
OK
>> The harness and connector is checked, and it is normal, replace BCM.
NG
>> Repair the harness between the LCU and BCM control.
WORK SUPPORT
Display Item List
Refer to
SE-36, "SETTING CHANGE FUNCTION"
.
AUTOMATIC DRIVE POSITIONER
SE-43
C
D
E
F
G
H
J
K
L
M
A
B
SE
SELF-DIAGNOSIS RESULTS
Display Item List
Malfunctioning system
Malfunction detecting condition
Diagnostic procedure
Reference page
SEAT SLIDE
When the sliding sensor pulse changes 2
times or less, while the sliding motor moves
the seat backward for 2.5 seconds, and
then forward for 2.5 seconds.
Seat sliding motor check
Seat sliding sensor check
SEAT RECLINING
When the reclining sensor pulse changes 2
times or less, while the reclining motor
moves the seat forward for 2.5 seconds,
and then backward for 2.5 seconds.
Seat reclining motor check
Seat reclining sensor check
SEAT LIFTER–FR
When the lifter sensor (front end) pulse
changes 2 times or less, while the lifter
motor (front end) moves the seat downward
for 2.5 seconds, and then upward for 2.5
seconds.
Front lifting motor check
Front end lifting sensor check
SEAT LIFTER–RR
When the lifter sensor (rear end) pulse
changes 2 times or less, while the lifter
motor (rear end) moves the seat downward
for 2.5 seconds, and then upward for 2.5
seconds.
Rear lifting motor check
Rear end lifting sensor check
STEERING TILT
,When the tilt sensor output voltage is 0.2V
or less, while the tilt motor moves the steer-
ing wheel upward for 1 second, and then
downward for 1 second.
Steering tilt motor check
Steering tilt sensor check
STEERING TELESCO
When the telescoping sensor output voltage
is 0.2V or less. while the telescope motor
moves the steering wheel forward for 1 sec-
ond, and then backward for 1 second,
Steering telescopic motor check
Steering telescopic sensor check
DOOR MIRROR–
LH·UP–DOWN
When LH door mirror sensor detects 0.2V
or lower, or 4.5V or higher, for 0.5 seconds
or more.
Mirror sensor check
DOOR MIRROR–
LH·L–R
DOOR MIRROR–
RH·UP–DOWN
When RH door mirror sensor detects 0.2V
or lower, or 4.5V or higher, for 0.5 seconds
or more.
Mirror sensor check
DOOR MIRROR–
RH·L–R
VEHICLE SPEED
SENSOR
When the vehicle speed is less than 7 km/h
(4 MPH) for 15 seconds after the diagnosis
for the seat and steering wheel is com-
pleted.
Vehicle speed sensor check
SE-44
AUTOMATIC DRIVE POSITIONER
Auto Drive Positioner Incident Memory
It stores the incident records of the input/output system related to the auto driving position system, and dis-
plays them on the CONSULT–II screen.
DATA MONITOR
Display Item List
Malfunctioning system
Malfunction detecting condition
Diagnostic procedure
Reference page
SEAT SLIDE
"PAST OUTPUT FAIL"
If the following conditions are met, the
seat sliding output system is judged mal-
functioning. If there is no manual input in
the past or any auto operation output, and
then within 2.5 seconds the sliding sensor
receives an input signal showing that the
seat has slid by 6 mm or more.
Seat sliding motor check
Seat sliding sensor check
SEAT RECLINING
"PAST OUTPUT FAIL"
If the following conditions are met, the
seat reclining output system is judged
malfunctioning. If there is no manual input
in the past nor any auto operation output,
and then within 2.5 seconds the reclining
sensor receives an input signal showing
that the seat has reclined by 1
°
or more.
Seat reclining motor check
Seat reclining sensor check
STEERING TILT
"PAST OUTPUT FAIL"
If the following conditions are met, the
steering tilt output system is judged mal-
functioning. If there is no manual input in
the past nor any auto operation output,
and then within 2.5 seconds the steering
tilt sensor receives an input signal show-
ing that the steering wheel is tilted by 1
°
or
more.
Steering tilt motor check
Steering tilt sensor check
DETENTION SW
"PAST INPUT FAIL"
With the A/T selector lever in P-position
(Detention switch
OFF), if the vehicle
speed of 7 km/h (4 MPH) or higher was
input for at least 2 seconds, the detention
switch input system is judged malfunction-
ing.
Detention switch check
TELESCO SENSOR
"PAST"
If the voltage value detected by the tele-
scopic sensor was 0.1V or less, or 4.9 V
or more, the telescoping sensor is judged
malfunctioning.
steering telescopic sensor
check
TILT SENSOR
"PAST"
If the voltage value detected by the tilt
sensor was 0.1V or less, or 4.9 V or more,
the tilt sensor is judged malfunctioning.
steering tilt sensor check
Monitor item [OPERATION or UNIT]
Contents
SLIDE SW–FR
"ON/OFF"
ON/OFF status judged from the sliding switch (FR) signal is displayed.
SLIDE SW–RR
"ON/OFF"
ON/OFF status judged from the sliding switch (RR) signal is displayed.
RECLIN SW–FR
"ON/OFF"
ON/OFF status judged from the reclining switch (FR) signal is displayed.
RECLIN SW–RR
"ON/OFF"
ON/OFF status judged from the reclining switch (RR) signal is displayed.
LIFT FR SW–UP
"ON/OFF"
ON/OFF status judged from the FR lifter switch (UP) signal is displayed.
LIFT FR SW–DN
"ON/OFF"
ON/OFF status judged from the FR lifter switch (DOWN) signal is displayed.
LIFT RR SW–UP
"ON/OFF"
ON/OFF status judged from the RR lifter switch (UP) signal is displayed.
LIFT RR SW–DN
"ON/OFF"
ON/OFF status judged from the RR lifter switch (DOWN) signal is displayed.
MIR CON SW–UP
"ON/OFF"
ON/OFF status judged from the door mirror remote control switch (UP) signal is
displayed.
MIR CON SW–DN
"ON/OFF"
ON/OFF status judged from the door mirror remote control switch (DOWN) signal
is displayed.
MIR CON SW–RH
"ON/OFF"
ON/OFF status judged from the door mirror remote control switch (RIGHT) signal
is displayed.
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