2008 INFINITI FX35 service

SE-40
< SERVICE INFORMATION >
AUTOMATIC DRIVE POSITIONER
Check continuity between the automatic drive positioner control unit
connector M50 terminal 40, 48 and ground.
OK or NG
OK >> Driver seat control unit circuit is OK.
NG >> Repair or replace harness between automatic drive
positioner control unit and ground.
CONSULT-III Function (AUTO DRIVE POS.)INFOID:0000000001328108
*1: For setting automatic drive positioner functions only.
*2: During vehicle driving, do not perform active test.
SELF-DIAGNOSIS RESULTS
Display Item List
40 (B) – Ground : Continuity should exist.
48 (B) – Ground : Continuity should exist.
PIIA5088E
CONSULT-III
diagnosis items Inspection item, self-diagnosis mode Content
Refer to
page
AUTO DRIVE
POSITIONER WORK SUPPORT*
1Changes the setting for each function.
SE-37
SELF–DIG RESULTS Check the self-diagnosis results. "SELF-DI-
AGNOSIS
RESULTS"
DATA MONITOR Selection from menu Displays the input data to driver seat control unit and
automatic driving positioned control unit on real-time
basis. "DATA
MONITOR"
CAN DIAGNOSTIC SUPPORT MONITOR The results of transmit / receive diagnosis of CAN
communication can be read LAN-39
ACTIVE TEST*2Gives a drive signal to a load to check the operation.
"ACTIVE
TEST"
DRIVER SEAT CONTROL UNIT PART NUM-
BER Displays driver seat control unit part No. —
BCM DATA MONITOR Selection from menu Displays the input data to BCM on real-time basisBL-36
DTCSelf-diagnosis item
(CONSULT-III indica- tion) DTC detection condition
Reference
page
U1000 CAN COMM CIRCUIT When driver seat control unit is not transmitting or receiving CAN communication
signal for 2 seconds or more.
SE-42
B2112 SEAT SLIDEWhen any manual and automatic operations are not performed, if any motor
operations of seat slide is detected for 0.1 second or more, status is judged
“Output error”. SE-44SE-53
B2113 SEAT RECLINING
When any manual and automatic operations are not performed, if any motor
operations of seat reclining is detected for 0.1 second or more, status is judged
“Output error”. SE-45SE-54
B2114 SEAT LIFTER FR
When any manual and automatic operations are not performed, if any motor
operations of seat lifting FR is detected for 0.1 second or more, status is judged
“Output error”. SE-46SE-55
B2115 SEAT LIFTER RR
When any manual and automatic operations are not performed, if any motor
operations of seat lifting RR is detected for 0.1 second or more, status is judged
“Output error”. SE-47SE-56
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AUTOMATIC DRIVE POSITIONERSE-41
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NOTE:
 The displays of CAN communication and P range switch display error detecting condition from memory erase to the present on “TIME”.
- If error is detected in the past and present error is detected, “CRNT” is displayed.
- If error is detected in the past and present error is not detected, “PAST” is displayed.
- If error has never been detected, nothing is displayed on “TIME”.
 Any items other than CAN communication and P range s witch count error detection frequency occurred after
erase history to “1-127”.
- If error was detected in the past, error detection frequen cy from memory erase to the present is displayed on
“TIME”.
- If error has never been detected, nothing is displayed on “TIME”.
- Can clear the detected memory. Normal: Clear memory in normal condition, hist ory is erased and nothing is displayed on “TIME”.
Error: Clear memory in error condition, error is detected again and “1” is displayed on “TIME”.
DATA MONITOR
Selection from Menu
B2116 TILT OUTPUT When any manual and automatic operations are not performed, if any motor
operations of steering tilt is detected for 0.1 second or more, status is judged “Out-
put error”. SE-49SE-58
B2118 TILT SENSOR When tilt sensor detects 0.1V or lo
wer, or 4.9V or higher, for 0.5 seconds or more.SE-58
B2119 TELESCO SENSORWhen telescopic sensor detects 0.1V or lower, or 4.9V or higher, for 0.5 seconds
or more.
SE-57
B2125 P RANGE SWWith the A/T selector lever in P position, if the vehicle speed of 7 km/h (4 MPH) or
higher was input the park position switch input system is judged malfunctioning. SE-74
B2128 UART COMM Malfunction is detected in UART communication.
SE-80
DTCSelf-diagnosis item
(CONSULT-III indica-
tion) DTC detection condition
Reference
page
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 th e sliding switch (RR) signal is displayed.
RECLN SW–FR “ON/OFF” ON/OFF status judged from the reclining switch (FR) signal is displayed.
RECLN 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 dis-
played.
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.
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.
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.
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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.
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AUTOMATIC DRIVE POSITIONERSE-43
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Is “CAN COMM CIRCUIT” displayed?
YES >> Refer to LAN-14, "Trouble Diagnosis Flow Chart".
NO >> INSPECTION END.
Symptom ChartINFOID:0000000001328110
Symptom Diagnoses / service procedure Refer to
page
Only setting change function cannot be set with display. Interacted display system (without NAVI)
AV- 5 2
Navigation system (with NAVI)AV- 8 7
A part of seat system does not operate
(both automatically and manually).1. Check sliding motor circuit
SE-44
2. Check reclining motor circuit SE-45
3. Check front lifter motor circuitSE-46
4. Check rear lifter motor circuitSE-47
5. If the above systems are normal, replace the driver
seat control unit SE-16
A part of steering tilt, telescopic and door mirror does not
operate (both automatically and manually). 1. Check tilt motor circuit
SE-49
2. Check telescopic motor circuitSE-48
3. Check driver side mirror motor circuit SE-50
4. Check passenger side mirror motor circuit SE-52
5. If the above systems are normal, replace the
automatic drive positioner control unit SE-16
A part of seat system does not operate
(only automatic operation). 1. Check sliding sensor circuit
SE-53
2. Check reclining sensor circuitSE-54
3. Check front lifting sensor circuitSE-55
4. Check rear lifting sensor circuitSE-56
5. If the above systems are normal, replace the driver
seat control unit SE-16
A part of steering tilt, telescopic system and door mirror
system dose not operate (only automatic operation). 1. Check steering and door mirror sensor power supply
and ground circuit SE-61
2. Check driver side mirror sensor circuit
SE-59
3. Check passenger side mirror sensor circuitSE-60
4. Check tilt sensor circuitSE-58
5. Check telescopic sensor circuitSE-57
6. If all the above systems are normal, replace the
automatic drive positioner control unit SE-16
All the automatic operations do not operate. 1. Check A/T device (park position switch) circuit
SE-74
2. Check key switch circuit (with intelligent key)SE-76
3. Check key switch circuit (without intelligent key)SE-77
4. Check UART communication line circuitSE-80
5.If all the above systems are normal, replace the
automatic drive positioner control unit
SE-16
A part of seat system does not operate
(only manual operation). 1. Check sliding switch circuit
SE-63
2. Check reclining switch circuitSE-64
3. Check front lifting switch circuitSE-66
4. Check rear lifting switch circuitSE-67
5.If the above systems are normal, replace the driver
seat control unit SE-16
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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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3. Check continuity between driver seat control unit connector B153 terminals 3, 10 and sliding motor connector B161 termi-
nals 3, 10.
4. Check continuity between driver seat control unit connector B153 terminals 3, 10 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness between driver seat control unit and sliding motor.
4.CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL
1. Connect the driver seat control unit connector.
2. Sliding switch operate, check voltage betw een driver seat control unit connector and ground.
OK or NG
OK >> Replace sliding motor.
NG >> Replace driver seat control unit.
Check Reclining Motor CircuitINFOID:0000000001328112
1.CHECK SEAT RECLINING MECHANISM
Check the following.
 Operation malfunction caused by an interference with the center pillar or center console
 Operation malfunction and interference with 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 RECLINING” in ACTIVE TEST.
OK or NG
OK >> Reclining motor circuit is OK.
NG >> GO TO 3.
3.CHECK RECLINING MOTOR HARNESS CONTINUITY
1. Turn ignition switch OFF. 3 (G) – 3 (G) : Continuity should exist.
10 (G/R) – 10 (G/R) : Continuity should exist.
3 (G) – Ground : Continuity should not exist.
10 (G/R) – Ground : Continuity should not exist.
PIIA6114E
Connec-
tor Te r m i n a l s
(Wire color) Sliding switch condition Voltage (V) (Ap-
prox.)
(+) (–)
B153 3 (G)
Ground FORWARD Battery voltage
Other than above 0
10 (G/R) BACKWARD Battery voltage
Other than above 0
PIIA6113E
Test item Description
SEAT
RECLINING The reclining motor is activated by receiving the drive signal.
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SE-46
< SERVICE INFORMATION >
AUTOMATIC DRIVE POSITIONER
2. Disconnect driver seat control unit connector and reclining motor connector.
3. Check continuity between driver seat control unit connector
B153 terminals 4, 12 and reclining motor connector B166 termi-
nals 4, 12.
4. Check continuity between driv er seat control unit connector
B153 terminals 4, 12 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness between driver seat control unit and reclining motor.
4.CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL
1. Connect the driver seat control unit.
2. Reclining switch operate, check voltage between driver seat control unit connector and ground.
OK or NG
OK >> Replace reclining motor.
NG >> Replace driver seat control unit.
Check Front Lifting Motor CircuitINFOID:0000000001328113
1.CHECK FRONT LIFTING MECHANISM
Check the following.
 Operation malfunction caused by lifter mechanism defo rmation or pinched harness or other foreign materials
 Operation malfunction caused by foreign materials adhered to the lifter motor or lead screws
 Operation malfunction and interference with other parts by 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 LIFTER FR” in ACTIVE TEST.
OK or NG
OK >> Front lifting motor circuit is OK.
NG >> GO TO 3. 4 (G/L) – 4 (G/L) : Co
ntinuity should exist.
12 (G/Y) – 12 (G/Y) : Co ntinuity should exist.
4 (G/L) – Ground : Continuity should not exist.
12 (G/Y) – Ground : Continuity should not exist.
PIIA6117E
Connector Te r m i n a l s
(Wire color) Reclining switch condition Voltage (V) (Ap-
prox.)
(+) (–)
B153 4 (G/L)
GroundFORWARD Battery voltage
Other than above 0
12 (G/Y) BACKWARD Battery voltage
Other than above 0
PIIA6116E
Te s t i t e m D e s c r i p t i o n
SEAT
LIFTER FR The front end lifter motor is activated by receiving the drive signal.
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3.CHECK FRONT LIFTING MO TOR HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit connector and front lifting motor connector.
3. Check continuity between driver seat control unit connector B153 and terminals 5, 13 and front lifting motor connector B164
terminals 5, 13.
4. Check continuity between driver seat control unit connector B153 and terminals 5, 13 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness between driver seat control unit and front lifting motor.
4.CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL
1. Connect the driver seat control unit connector.
2. Front lifting switch operate, check voltage bet ween driver seat control unit connector and ground.
OK or NG
OK >> Replace front lifting motor.
NG >> Replace driver seat control unit.
Check Rear Lifting Motor CircuitINFOID:0000000001328114
1.CHECK REAR LIFTING MECHANISM
Check the following.
 Operation malfunction caused by lifter mechanism deformation or pinched harness or other foreign materials
 Operation malfunction caused by foreign materials adhered to the lifter motor or lead screws
 Operation malfunction and interference with 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 LIFTER RR” in ACTIVE TEST.
OK or NG
5 (LG) – 5 (LG) : Cont inuity should exist.
13 (Y) – 13 (Y) : Continuity should exist.
5 (LG) – Ground : Contin uity should not exist.
13 (Y) – Ground : Continuity should not exist.
PIIA6120E
Connector Te r m i n a l s
(Wire color) Front lifting switch condition Voltage (V)
(Approx.)
(+) (–)
B153 5 (LG)
GroundDOWN Battery voltage
Other than above 0
13 (Y) UP Battery voltage
Other than above 0
PIIA6119E
Test item Description
SEAT LIFTER
RR The rear end lifter motor is activated by receiving the drive signal.
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