Infiniti M45 (Y34). Manual — part 756
AUTOMATIC DRIVE POSITIONER
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*: Abnormal value indicates that the sensor output voltage is 0.2V or lower, or 4.5V or higher.
ACTIVE TEST
Display Item List
MIR CON SW–LH
"ON/OFF"
ON/OFF status judged from the door mirror remote control switch (LEFT) signal s
displayed.
MIR CHNG SW–R
"ON/OFF"
ON/OFF status judged from the door mirror remote control switch (switching to
RIGHT) signal is displayed.
MIR CHNG SW–L
"ON/OFF"
ON/OFF status judged from the door mirror remote control switch (switching to
LEFT) signal is displayed.
SET SW
"ON/OFF"
ON/OFF status judged from the setting switch signal is displayed.
TELESCO SW–FR
"ON/OFF"
ON/OFF status judged from the telescoping switch (FR) signal is displayed.
TELESCO SW–RR
"ON/OFF"
ON/OFF status judged from the telescoping switch (RR) signal is displayed.
TILT SW–UP
"ON/OFF"
ON/OFF status judged from the tilt switch (UP) signal is displayed.
TILT SW–DOWN
"ON/OFF"
ON/OFF status judged from the tilt switch (DOWN) signal is displayed.
MEMORY SW1
"ON/OFF"
ON/OFF status judged from the seat memory switch 1 signal is displayed.
MEMORY SW2
"ON/OFF"
ON/OFF status judged from the seat memory switch 2 signal is displayed.
CANCEL SW
"ON/OFF"
Setting status is displayed with the display unit: "Active (ON)/inactive (OFF)"
DOOR SW DR
"ON/OFF"
ON (Door open) / OFF (door closed) status judged from the driver door switch is
displayed.
VHCL SPEED SE
"<7km/
>7km"
The present vehicle speed (less than 7 km/h (4 MPH), or 7 km/h (4 MPH) or
higher) is displayed.
DETENT SW
"ON/OFF"
The selector lever position "ON (P position) / OFF (other than P position)" judged
from the detention switch signal is displayed.
IGN ON SW
"ON/OFF"
Ignition key switch ON (IGN ON)/OFF (ignition switch START, ACC, or OFF) sta-
tus judged from the ignition switch signal is displayed.
IGN ACC SW
"ON/OFF"
Ignition key switch ON (ACC or IGN ON)/ OFF (ignition switch START, or OFF)
status judged from the ignition switch signal is displayed.
IGN START SW
"ON/OFF"
Ignition key switch ON (START, ON) /OFF (ignition switch IGN, ACC, or OFF)
status judged from the ignition switch signal is displayed.
IGN KEY SW
"ON/OFF"
Key inserted (ON)/key removed (OFF) status judged from the key detection switch
is displayed.
R POSITION SW
"ON/OFF"
R position (ON)/Other than R position of shift position signal from back–
up lamp relay is displayed.
TILT SEN
"V"
The tilt position (voltage) judged from the tilt sensor signal is displayed.
TELESCO SEN
"V"
The telescoping position (voltage) judged from the telescoping sensor signal is
displayed.
MIR/SE RH R–L
"ON/OFF"
ON (normal value)/OFF (abnormal value) *of voltage value judged from RH door
mirror sensor output voltage (LH/RH) is displayed.
MIR/SE RH U–D
"ON/OFF"
ON (normal value)/OFF (abnormal value) *of voltage value judged from RH door
mirror sensor output voltage (UP/DOWN) is displayed.
MIR/SE LH R–L
"ON/OFF"
ON (normal value)/OFF (abnormal value) *of voltage value judged from LH door
mirror sensor output voltage (LH/RH) is displayed.
MIR/SE LH U–D
"ON/OFF"
ON (normal value)/OFF (abnormal value) *of voltage value judged from LH door
mirror sensor output voltage (UP/DOWN) is displayed.
Voltage
"V"
Displays measured values by voltage probe.
Frequency
"ms,Hz,%"
Displays value measured with pulse probe.
Monitor item [OPERATION or UNIT]
Contents
Test item
Description
TILT MOTOR
The tilt motor is activated by receiving the drive signal.
TELESCO MOTOR
The telescopic motor is activated by receiving the drive signal.
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AUTOMATIC DRIVE POSITIONER
On Board Diagnosis
AIS001JU
BCM can check each local unit (LCU), switches, loads, and malfunctions in communication with the self-diag-
nosis.
DIAGNOSIS ITEM
COMMUNICATION DIAGNOSIS
Check the communication between BCM and each local control unit (LCU).
Operation Procedure
Diagnosis Result Display
●
The indicator lamps (the map lamp and step lamp) turn ON (illuminate) for 2 seconds and OFF (go off) for
2 seconds to indicate that the diagnosis has started, then indicate the diagnosis trouble code.
●
To indicate the diagnosis trouble code, the indicator lamps illuminate or flash.
●
At first, the lamps indicate the second place by ON/OFF with 0.5 second-interval, then OFF for 1.5 sec-
onds. Next, they indicate the first place by ON/OFF with 0.5 second interval.
SEAT SLIDE
The sliding motor is activated by receiving the drive signal.
SEAT RECLINING
The reclining motor is activated by receiving the drive signal.
SEAT LIFTER FR
The front end lifter motor is activated by receiving the drive signal.
SEAT LIFTER RR
The rear end lifter motor is activated by receiving the drive signal.
MEMORY SW INDCTR
The memory switch indicator is lit by receiving the drive signal.
MIRROR MOTOR RH
The RH mirror motor moves the mirror UP/DOWN and LEFT/RIGHT by receiving the drive
signal.
MIRROR MOTOR LH
The LH mirror motor moves the mirror UP/DOWN and LEFT/RIGHT by receiving the drive
signal.
Test item
Description
Diagnosis item
Description
Communication diagnosis
It can check the communication line between BCM and each LCU, and also each LCU,
for a communication and malfunction.
Switch monitor
It can check the switch systems which send data to BCM and each LCU for a malfunc-
tion.
Self-diagnosis for auto drive posi-
tioner
Diagnosis malfunctions in each motor and sensor in the electrical load parts of the driver
power seat system (sliding, reclining, and lifter [front/rear]), of the steering wheel system
(tilt, telescoping), and of door mirror.
PIIA2871E
AUTOMATIC DRIVE POSITIONER
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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 is cancelled.
●
If a malfunction is indicated, carry out the communication diagnosis again to check that the same diagno-
sis trouble code is indicated.
Diagnosis Trouble Code Indication Example
Trouble Diagnosis Chart
SIIA0410E
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.
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AUTOMATIC DRIVE POSITIONER
NOTE:
●
For a specific local control unit (LCU), either "PAST COMM DATA" or "PAST NO RESPONSE" may be displayed instead of the
above results. This is caused by the data record, 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
reproducible 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.
Cancel of Communication Diagnosis
If one of the following conditions is satisfied, the communication diagnosis is cancelled.
●
When the ignition switch is turned OFF.
●
The vehicle speed becomes 7 km/h (4 MPH) or higher.
●
Ten minutes have passed since the diagnostic result indication start without no diagnosis cancel opera-
tion.
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
>> 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
OK or NG
OK
>> Replace LCU.
NG
>> Repair the 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, poor
connection and other malfunctions.
OK or NG
OK
>> GO TO 2.
NG
>> Repair the terminals and connectors.
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
Communication system A:
Refer to
Malfunctioning
item
Display unit
CONSULT–II IVMS communication
diagnosis content
Self-diagnosis
trouble code
No.
Malfunctioning system and
reference
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