seat memory INFINITI FX35 2008 User Guide

SE-36
< SERVICE INFORMATION >
AUTOMATIC DRIVE POSITIONER
19 G/R Front lifting sensor signal InputON (front lifting motor operation)
Other than above 0 or 5
22 R/B Power seat memory switch 1
signal
InputMemory switch 1: ON 0
Memory switch 1: OFF 5
23 Y/W Power seat memory switch in-
dictor 1 signal
OutputMemory switch 1: ON 1
Memory switch 1: OFF Battery voltage
24 L/R Seat sliding switch
FORWARD signal InputWhen seat sliding switch
FORWARD operation
0
Other than above Battery voltage
25 L/OR Seat reclining switch
FORWARD signal
InputWhen seat reclining switch
FORWARD operation
0
Other than above Battery voltage
26 L/P Front lifting switch UP signal Input When front lifting switch
UP operation
0
Other than above Battery voltage
27 L Rear lifting switch UP signal Input When rear lifting switch
UP operation
0
Other than above Battery voltage
28C B/W Ground (sensor) — — 0
29 G Reclining sensor signal Input ON (reclining motor operation)
Other than above 0 or 5
30 R/W Rear lifting sensor signal Input ON (rear lifting motor operation)
Other than above 0 or 5
34 L/W Set switch signal Input Set witch: ON 0
Set witch: OFF 5
35 L/B Power seat memory switch 2
signal InputMemory switch 2: ON 0
Memory switch 2: OFF 5
36 Y/G Power seat memory switch in-
dictor 2 signal OutputMemory switch 2: ON 1
Memory switch 2: OFF Battery voltage
Te r -
minal Wire
Color ItemSignal Input/
Output Condition Voltage (V)
(Approx.)
SIIA0691J
SIIA0692J
SIIA0693J
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

SE-42
< SERVICE INFORMATION >
AUTOMATIC DRIVE POSITIONER
ACTIVE TEST
CAUTION:
During vehicle driving, do not perform active test.
NOTE:
If active test is performed, reset seat memory and key fob interlock drive positioner after performing work.
Display Item List
Check CAN Communication SystemINFOID:0000000001532368
1.PERFORM SELF DIAGNOSTIC
1. Turn ignition switch ON and wait for 2 seconds or more.
2. Check “Self Diagnostic Result” of BCM.
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.
SET SW “ON/OFF” ON/OFF status judged from the setting switch signal is displayed.
MEMORY SW1 “ON/OFF” ON/OFF status judged from th e seat memory switch 1 signal is displayed.
MEMORY SW2 “ON/OFF” ON/OFF status judged from th e seat memory switch 2 signal is displayed.
P POSI SW “ON/OFF” The selector lever position “ON (P position) / OFF (other than P position)” judged
from the park position switch signal is displayed.
STARTER SW “ON/OFF” Ignition key switch ON (START, ON) /OFF (ignition switch IGN, ACC, or OFF) sta-
tus judged from the ignition switch signal is displayed.
SLIDE PULSE — Value (32768) when battery connects is as standard. If it moves backward, the val-
ue increases. If it moves forward, the value decreases.
RECLN RULSE — Value (32768) when battery connects is as standard. If it moves backward, the val-
ue increases. If it moves forward, the value decreases.
LIFT FR PULSE — Value (32768) when battery connects is as standard. If it moves DOWN, the value
increases. If it moves UP, the value decreases.
LIFT RR PULSE — Value (32768) when battery connects is as standard. If it moves DOWN, the value
increases. If it moves UP, the value decreases.
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 dis-
played.
MIR/SE RH R–L “V” Voltage output from RH do or mirror sensor (LH/RH) is displayed.
MIR/SE RH U–D “V” Voltage output from RH door mirror sensor (UP/DOWN) is displayed.
MIR/SE LH R–L “V” Voltage output from LH door mirror sensor (LH/RH) is displayed.
MIR/SE LH U–D “V” Voltage output from LH door mirror sensor (UP/DOWN) is displayed. Monitor item [OPERAT
ION 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.
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 sw itch indicator is lit by receivin g the drive signal.
MIRROR MOTOR RH The RH mirror motor moves the mirror UP/DOW
N and LEFT/RIGHT by receiving the drive
signal.
MIRROR MOTOR LH The LH mirror motor moves the mirror UP/DOW
N and LEFT/RIGHT by receiving the drive
signal.
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

SE-44
< SERVICE INFORMATION >
AUTOMATIC DRIVE POSITIONER
Check Sliding Motor Circuit
INFOID:0000000001328111
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 wit h other parts by poor installation
OK or NG
OK >>  GO TO 2 (With CONSULT-III).  GO TO 3 (Without CONSULT-III).
NG >> Repair the malfunctioning part and check again.
2.CHECK FUNCTION
With CONSULT-III
Check operation with “SEAT SLIDE” in ACTIVE TEST.
OK or NG
OK >> Sliding motor circuit is OK.
NG >> GO TO 3.
3.CHECK SLIDING MOTOR HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit connector and sliding motor connector.
A part of steering tilt, telescopic and door mirror does not
operate (only manual operation). 1. Check door mirror remote
control switch (changeover
switch) circuit SE-71
2. Check door mirror remote co
ntrol switch (mirror switch)
circuit SE-73
3. Check tilt switch circuit
SE-70
4. Check telescopic switch circuitSE-68
5. If the above systems are normal, replace the
automatic drive positioner control unit SE-16
Only seat memory switch operation dose not operate. 1. Check seat memory switch circuit
SE-782. If the above systems are normal, replace the driver
seat control unit SE-16
Seat memory indicator lamps 1 and 2 do not illuminate. 1. Check seat memory indicator lamp circuit
SE-792. If all the above systems are normal, replace the driver
seat control unit SE-16
The Entry/Exiting does not operated when door is opened
and closed. (The Entry/Exiting operates with key switch) 1. Check front door switch
(driver side) circuit SE-62
2. If all the above systems are normal, replace the BCM BCS-13
Only seat sliding, seat reclining and seat lifting (front and
rear) operations do not operate.Check power seat switch ground circuit
SE-68
Only lumbar support does not operate. Check lumbar support circuit SE-82
Symptom Diagnoses / service procedureRefer to
page
Test item Description
SEAT SLIDE The sliding motor is activated by receiving the drive signal.
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3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

SE-78
< SERVICE INFORMATION >
AUTOMATIC DRIVE POSITIONER
4.CHECK HARNESS CONTINUITY
1. Disconnect key switch connector and BCM connector.
2. Check continuity between key switch connector M23 terminal 1 and BCM connector M3 terminal 37.
3. Check continuity between key switch connector M23 terminal 1 and ground.
OK or NG
OK >> Key switch circuit is OK.
NG >> Repair or replace harness between key switch and BCM.
Check Seat Memory Switch CircuitINFOID:0000000001328141
1.CHECK FUNCTION
With CONSULT-III
With “SET SW, MEMORY SW1, MEMO RY SW2” on the DATA MONITOR, operate the switch to check ON/
OFF operation.
OK or NG
OK >> Seat memory switch circuit is OK.
NG >> GO TO 2.
2.CHECK SEAT MEMORY SWITCH
1. Turn ignition switch OFF.
2. Disconnect seat memory switch connector.
3. Check continuity between seat memory s witch connector D22 terminal 1, 2, 3 and 4.
OK or NG
OK >> GO TO 3.
NG >> Replace seat memory switch.
3.CHECK HARNESS CONTINUITY
1. Disconnect driver seat control unit connector. 1 (B/W) – 37 (B/W) : Cont
inuity should exist.
1 (B/W) – Ground : Conti nuity should not exist.
PIIA5094E
Monitor item
[OPERATION or UNIT] Contents
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.
SET SW “ON/OFF” ON/OFF status judged from the setting switch
signal is displayed.
Connec-
tor Terminals Condition Continuity
D22 1
4Memory switch 1: ON Yes
Memory switch 1: OFF No
2 Memory switch 2: ON Yes
Memory switch 2: OFF No
3 Set switch: ON Yes
Set switch: OFF No
PIIA4575E
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3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

AUTOMATIC DRIVE POSITIONERSE-79
< SERVICE INFORMATION >
C
DE
F
G H
J
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M A
B
SE
N
O P
2. Check continuity between driver seat control unit connector B152 terminals 22, 34, 35 and seat memory switch connector
D22 terminals 1, 2, 3.
3. Check continuity between driver seat control unit connector B152 terminals 22, 34, 35 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness between driver seat control unit and seat memory switch.
4.CHECK SEAT MEMORY SWITCH GROUND CIRCUIT
Check continuity between seat memory switch connector D22 termi-
nal 4 and ground.
OK or NG
OK >> Replace driver seat control unit.
NG >> Repair or replace harness between seat memory switch and ground.
Check Seat Memory I ndicator Lamp CircuitINFOID:0000000001328142
1.CHECK FUNCTION
With CONSULT-III
With “MEMORY SW INDCTR” in ACTIVE TEST, check operation.
OK or NG
OK >> Seat memory indicator lamp circuit is OK.
NG >> GO TO 2.
2.CHECK SEAT MEMORY SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect seat memory switch connector. 22 (R/B) – 1 (P) : Continuity should exist.
34 (L/W) – 3 (GY) : Cont
inuity should exist.
35 (L/B) – 2 (LG) : Cont inuity should exist.
22 (R/B) – Ground : Continuity should not exist.
34 (L/W) – Ground : Continuity should not exist.
35 (L/B) – Ground : Continuity should not exist.
PIIB8598E
4 (B) – Ground : Continuity should exist.
PIIA4821E
Test item Description
MEMORY SW
INDCTR The memory switch indicator is lit by receiving the drive signal.
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3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

SE-80
< SERVICE INFORMATION >
AUTOMATIC DRIVE POSITIONER
3. Check voltage between seat memory switch connector D22 ter-minal 5 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness between fuse block (J/B) and seat memory switch.
3.CHECK HARNESS CONTINUITY
1. Disconnect driver seat control unit connector.
2. Check continuity between driv er seat control unit connector
B152 terminals 23, 36 and seat memory switch connector D22
terminals 6, 7.
3. Check continuity between driv er seat control unit connector
B152 terminals 23, 36 and ground.
OK or NG
OK >> GO TO 5.
NG >> Repair or replace harness between driver seat control unit and seat memory switch.
4.CHECK SEAT MEMORY SWITCH INDICATOR SIGNAL
Check voltage between driver seat control unit connector B152 ter-
minals 23, 36 and ground.
OK or NG
OK >> Seat memory indicator lamp circuit is OK.
NG >> Replace seat memory switch.
Check UART Communication Line CircuitINFOID:0000000001328143
1.CHECK UART LINE HERNESS
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit connector and automatic drive positioner control unit connector.
5 (R) – Ground : Battery voltage
PIIA4595E
23 (Y/W) – 6 (PU) : Continuity should exist.
36 (Y/G) – 7 (L) : Continuity should exist.
23 (Y/W) – Ground : Continuity should not exist.
36 (Y/G) – Ground : Continuity should not exist.
PIIB8599E
23 (Y/W) – Ground : Battery voltage
36 (Y/G) – Ground : Battery voltage
PIIA5078E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

SE-82
< SERVICE INFORMATION >
AUTOMATIC DRIVE POSITIONER
 When voltage signal dose not appear with a constant voltage (approx. 5V), replace automatic
driver seat control unit.
 When voltage signal dose not appear with a constant voltage (approx. 0V), replace driver seat
control unit.
4.CHECK DRIVER SEAT CONTROL UNIT
Dose the automatic drive positioner operate, when the driver seat control unit exchanged?
Does seat memory function operate?
YES >> Replace automatic drive positioner control unit.
NG >> Replace driver seat control unit.
Check Lumbar Support CircuitINFOID:0000000001328144
1.CHECK LUMBAR SUPPORT SWITCH
1. Turn ignition switch OFF.
2. Disconnect lumbar support switch connector.
3. Check voltage between lumbar support switch connector B158 terminal 1 and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair or replace harness between fuse block (J/B) and lumbar support switch.
2.CHECK LUMBAR SUPPORT SWITCH
Lumbar support switch operate, check continuity lum bar support switch connector B158 terminal 31, 32 and 1,
16B.
OK or NG
OK >> GO TO 3.
NG >> Replace lumbar support switch.
3.CHECK LUMBAR SUPPORT MOTOR HARNESS
1. Disconnect lumbar support motor connector.
2. Check continuity between lumbar support switch connector B158 terminal 31, 32 and lumbar support motor connector B172
terminal 31, 32.
3. Check continuity between lumbar support switch connector B158 terminal 31, 32 and ground.1 (R) – Ground: : Battery voltage
PIIB8600E
Con-
nector Te r m i n a l
Lumbar support switch
condition Continuity
B158 31
1 BACKWARD Yes
16B Other than above No
32 1FORWARD Yes
16B Other than above No
PIIB8601E
31 (W) − 31 (W) : Continuity should exist.
32 (L) − 32 (L) : Continuity should exist.
31 (W) − Ground : Continuity should not exist.
32 (L) − Ground : Continuity should not exist.
PIIB8602E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

SRS-24
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
Trouble Diagnosis with CONSULT-III
INFOID:0000000001524168
DIAGNOSTIC PROCEDURE
DTC No. Index (“SELF-DIAG [ CURRENT]” “SELF-DIAG [PAST]” or TROUBLE DIAG RECORD)
 Air bag is deployed.
 Seat belt pre-tensioner is deployed. Go to
SRS-47, "For Frontal Colli-
sion" or SRS-48, "For Side Collision"
 Diagnosis sensor unit is malfunction-
ing.
 Air bag power supply circuit is mal-
functioning.
 SRS air bag warning lamp circuit is malfunctioning. Go to
SRS-32, "
Trouble Diagnosis:
"AIR BAG" Warning Lamp Does Not
Turn OFF".
 Diagnosis sensor unit is malfunction- ing.
 Air bag warning lamp circuit is mal-
functioning. Go to
SRS-32, "
Trouble Diagnosis:
"AIR BAG" Warning Lamp Does Not
Turn ON".
“AIR BAG” warning lamp operation — User mode
—
SRS condition Reference item
SHIA0013E
SHIA0014E
Diagnostic mode Description
SELF-DIAG RESULT The self-d iagnosis result is Displayed. (SELF-DIAG [ CURRENT], [PAST], [RECORD])
ECU DISCRIMINATED No. The parts number of diagnosis sensor units displayed.
Diagnostic item Explanation Repair order
“Recheck SRS at each replacement”
NO DTC IS DETECT-
ED. When malfunction is in-
dicated by the “AIR
BAG” warning lamp in
User mode. Low battery voltage (Less than 9V)
 Self-diagnostic result “SELF-DIAG
[PAST]” (previously stored in the
memory) might not be erased after re-
pair.
 Intermittent malfunction has been de- tected in the past. Go to
SRS-21, "
CONSULT-III Func-
tion".
 No malfunction is detected. —
DIAGNOSIS SENSOR
UNIT (CONTROL UNIT)
[B1001-B1015]  Diagnosis sensor is out of order.  Replace diagnosis sensor unit.
(ACU)
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

SIDE AIR BAG (SATELLITE) SENSOR
SRS-43
< SERVICE INFORMATION >
C
D E
F
G
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K L
M A
B
SRS
N
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SIDE AIR BAG (S ATELLITE) SENSOR
Removal and InstallationINFOID:0000000001327769
WARNING:
 Before servicing SRS, turn igniti on switch OFF, disconnect both ba ttery cables and wait at least 3
minutes.
 Do not use air tools or el ectric tools for servicing.
REMOVAL
1. Remove seat belt pre-tensioner. Refer to SB-3, "Removal and Installation of Front Seat Belt".
2. Remove side air bag (Satellite) sensor fixing nuts.
3. Remove the side air bag (Satellite) sensor connector.
CAUTION:
 Do not use old nuts; replace with new ones.
 Check side air bag (Satellite) senso r to ensure it is free of deformities, dents, cracks or rust. If it
shows any visible signs of da mage, replace it with new one.
 Do not disassemble side ai r bag (Satellite) sensor.
 Replace side air bag (Satellite) sensor if it has been dropped or sustained an impact.
 Replace the satellite sensor of de ployed SRS front side air bag and deployed SRS side curtain air
bag.
INSTALLATION
Install in the reverse order of removal.
CAUTION:
 Be careful not to damage the satellite sensor harness.
 After the work is completed, make sure no system malfunction is detected by air bag warning lamp.
 In case that malfunction is detected by the air ba g warning lamp, reset by the self-diagnosis function
and delete the memory by CONSULT −III.
 In case that malfunction is still detected after th e above operation, perform self-diagnosis to repair
malfunctions. Refer to SRS-23, "
SRS Operation Check".
PHIA0314E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

SRS-44
< SERVICE INFORMATION >
DIAGNOSIS SENSOR UNIT
DIAGNOSIS SENSOR UNIT
Removal and InstallationINFOID:0000000001327771
WARNING:
 Before servicing SRS, turn ignition switch OFF, disconnect both ba ttery cables and wait at least 3
minutes.
 Do not use air tools or el ectric tools for servicing.
REMOVAL
1. Disconnect each harness connector for the ai r bag module and seat belt pre-tensioner.
2. Remove center console. Refer to IP-11, "
Removal and Installation".
3. Disconnect diagnosis sensor unit connector.
4. Remove TORX bolts from the diagnosis sensor unit.
CAUTION:
 Do not use old TORX bolts. Replace with new ones.
 Check diagnosis sensor unit bracket to ensure it is free of deformities, dents, cracks or rust. If it
shows any visible things of damage, replace with new one.
 Replace diagnosis sensor unit if it has been dropped or sustained an impact.
 Replace the diagnosis sensor unit of deployed SRS air bag and deployed SRS front seat belt pre-ten-
sioner.
INSTALLATION
Install in the reverse order of removal.
CAUTION:
 Be careful not to damage the diagnosis sensor harness.
 After the work is completed, make sure no system malfunction is detected by air bag warning lamp.
 In case that malfunction is detected by the air ba g warning lamp, reset by the self-diagnosis function
and delete the memory by CONSULT −III.
 In case that malfunction is still de tected after the above operation, perform self-diagnosis to repair
malfunctions. Refer to SRS-23, "
SRS Operation Check".
ECU DISCRIMINATED NO.
After replacing the diagnosis sensor unit, confirm that t he diagnosis sensor unit identification is correct for the
vehicle as equipped.
PHIA0315E
Specification ECU DISCRIMINATED No.
Models with driver and passenger air bags, seat belt pre-tensioner, side air bags and curtain air bags FB04
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C