bcm INFINITI FX35 2005 Service Manual

SE-30
AUTOMATIC DRIVE POSITIONER
Revision: 2005 July 2005 FX
Terminals and Reference Values for BCMAIS002XG
Terminals and Reference Values for Automatic Drive Positioner Control UnitAIS002XH
TERMINAL WIRE
COLOR ITEM CONDITION
VOLTAGE (V)
(Approx.)
11 LG/R Ignition switch (ACC) Ignition switch
(ACC or ON position) Battery voltage
37 B/W Key switch signal Key switch ON (key is inserted in
ignition key cylinder) Battery voltage
Key switch OFF (key is removed
from ignition key cylinder) 0
38 W/L Ignition switch (ON) Ignition switch
(ON or START position) Battery voltage
39 L CAN-H — —
40 R CAN-L — —
42 L/R Power source (Fuse) — Battery voltage
49 B Ground (signal) — 0
52 B Ground (power) — 0
55 G Power supply (Fusible link) — Battery voltage
62 W Front door switch (driver side) ON (Open) → OFF (Closed) 0 → Battery voltage
TERMI-
NAL WIRE
COLOR ITEM CONDITION VOLTAGE (V)
(Approx.)
1 LG/R Tilt switch UP signal Tilt switch turned to upward 0
Other than above 5
2 G/W Changeover switch RH signal When changeover switch in RH posi-
tion 0
Other than above 5
3 GY Mirror switch UP signal When mirror switch in turned to
upward position 0
Other than above 5
4 Y Mirror switch LEFT signal When mirror switch in turned to left-
ward position 0
Other than above 5
5OR Passenger side mirror sensor
(vertical) signal When passenger side mirror motor is
UP or DOWN operation Changes between 3 (close to perk)
- 1 (close to valley)
6P/L Driver side mirror sensor
(vertical) signal When driver side mirror motor is UP
or DOWN operation Changes between 3 (close to perk)
- 1 (close to valley)
7 Y/R Tilt sensor signal Tilt position, top 2
Tilt position, bottom 4
10 B UART LINE (TX) Memory switch 1 or 2 operated
11 B R Telescopic switch
FORWARD signal Telescopic switch turned to forward 0
Other than above 5
PIIA4813E

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AUTOMATIC DRIVE POSITIONER
Revision: 2005 July 2005 FX
CHECK POWER SUPPLY AND GROUND
1. CHECK FUSE
Check if any of the following fuses in the BCM are blown.

Check 50A fusible link (letter M , located in the fuse and fusible link box.)

Check 15A fuse [No.22, located in the fuse block (J/B)]

Check 10A fuse [No.1, located in the fuse block (J/B)]

Check 10A fuse [No.6, located in the fuse block (J/B)]
NOTE:
Refer to SE-15, "
Component Parts and Harness Connector Location" .
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown out, be sure to eliminate cause of malfunction before installing new fuse. Refer to
SE-15, "
Component Parts and Harness Connector Location" .
2. CHECK POWER SUPPLY CIRCUIT (BCM)
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Check voltage between BCM connector and ground.
OK or NG
OK >> GO TO 3.
NG >> Check harness for open and short between BCM and fuse or fusible link.
3. CHECK GROUND CIRCUIT (BCM)
1. Turn ignition switch OFF.
2. Check continuity between BCM connector B14 terminal 49, 52 and ground.
OK or NG
OK >> BCM circuit is OK. Check the driver seat control unit. GO TO 4.
NG >> Repair or replace the harness between BCM and ground.
Connector Terminals (Wire color)
Ignition
switch Voltage (V)
(Approx.)
(+) (–)
M3 11 (LG/R)
Ground ACC
Battery voltage
38 (W/L) ON
B14 42 (L/R)
OFF
55 (G)
PIIA5083E
49 (B) – Ground : Continuity should exist.
52 (B) – Ground : Continuity should exist.
PIIA5084E

SE-38
AUTOMATIC DRIVE POSITIONER
Revision: 2005 July 2005 FX
8. CHECK GROUND CIRCUIT (AUTOMATIC DRIVE POSITIONER CONTROL UNIT)
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-II Function (AUTO DRIVE POS.)AIS002YF
CONSULT-II can display each diagnostic item using the diagnostic test modes shown following.
*1: For setting automatic drive positioner functions only.
*2: Refer to BL-38, "
Data Monitor" .
*3: During vehicle driving, do not perform active test.
CONSULT-II INSPECTION PROCEDURE
CAUTION:
If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be
detected in self-diagnosis depending on control unit which carry out CAN communication.
1. Turn ignition switch “OFF”.
2. Connect “CONSULT-II” and “CONSULT-II CONVERTER” to the data link connector.
3. Turn ignition switch “ON”. 40 (B) – Ground : Continuity should exist.
48 (B) – Ground : Continuity should exist.
PIIA5088E
CONSULT-II diagnosis items Inspection item, self-diagnosis mode Content
AUTO DRIVE
POSITIONER WORK SUPPORT*
1Changes the setting for each function.
SELF–DIG RESULTS Check the self-diagnosis 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.
CAN DIAGNOSTIC SUPPORT MONITOR The results of transmit / receive diagnosis of CAN communication
can be read
ACTIVE TEST
*3Gives a drive signal to a load to check the operation.
DRIVER SEAT CONTROL UNIT PART NUM-
BER Displays driver seat control unit part No.
BCM*
2DATA MONITOR Selection from menu Displays the input data to BCM on real-time basis
PBIB1503E

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4. Touch “START (NISSAN BASED VHCL)”.
5. Touch “AUTO DRIVE POS” and “BCM”.
If “AUTO DRIVE POS.” is not indicated, refer to GI-39, "
CON-
SULT-II Data Link Connector (DLC) Circuit" .
6. Select diagnosis mode. “DATA MONITOR”, “ACTIVE TEST”, “SELF-DIAG RESULTS“,
“ECU PART NUMBER” and “WORK SUPPORT” are available.
SELF-DIAGNOSIS RESULTS
Display Item List
BCIA0029E
BCIA0030E
BCIA0031E
CONSULT-II display Item Malfunction is detected when... Reference
page
CAN COMM CIRC
[U1000] CAN communication Malfunction is detected in CAN communication.
SE-42
SEAT SLIDE
[B2112] Seat slide motor When 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-43
SE-55
SEAT RECLINING
[B2113] Seat reclining motor 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-45
SE-56
SEAT LIFTER FR
[B2114] Seat lifting FR motor 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-46
SE-57
SEAT LIFTER RR
[B2115] Seat lifting RR motor 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-48
SE-58
TILT OUTPUT
[B2116] Tilt motor When any manual and automatic operations are not performed, if
any motor operations of seat tilt is detected for 0.1 second or more,
status is judged “Output error”. SE-50
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Sliding Motor Circuit CheckAIS002XN
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 malfunctioning part and check again.
A part of seat system does not operate (only manual
operation). 1. Sliding switch circuit check
SE-68
2. Reclining switch circuit checkSE-69
3. Front lifting switch circuit checkSE-71
4. Rear lifting switch circuit checkSE-72
5. If the above systems are normal, replace the driver
seat control unit. SE-15
A part of steering tilt, telescopic and door mirror does not
operate (only manual operation). 1. Door mirror remote control (change over switch) circuit
check SE-78
2. Door mirror remote control (mirror switch) switching cir-
cuit check SE-80
3. Tilt switch check
SE-76
4. Telescopic switch checkSE-74
5. If the above systems are normal, replace the automatic
drive positioner control unit. SE-15
Only memory switch operation dose not operate. 1. Seat memory switch circuit check
SE-862. If the above systems are normal, replace the driver
seat control unit. SE-15
Seat memory indicator lamps 1 and 2 do not illuminate. 1. Seat memory indicator lamp circuit check
SE-882. If all the above systems are normal, replace the driver
seat control unit. SE-15
The Entry/Exiting does not operated when door is opened
and closed.
(The Entry/Exiting operates with key switch) 1. Front door switch (driver side) circuit check
SE-66
2. If all the above systems are normal, replace the BCMBCS-16
Only door mirror system dose not operated (only auto-
matic operation). Steering and door mirror sensor power supply and ground
circuit check SE-65
Only seat sliding and seat reclining operation does not
operation Sliding switch and reclining switch ground circuit check
SE-73
Only sear lifting (front and rear) operation does not opera-
tion Front lifting switch and rear lifting switch ground circuit
check SE-74
Only lumber support does not operate Lumber support circuit check
SE-90
Symptom Diagnoses / service procedure Reference
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SE-50
AUTOMATIC DRIVE POSITIONER
Revision: 2005 July 2005 FX
3. CHECK TELESCOPIC MOTOR HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect automatic drive positioner control unit and tilt motor and telescopic motor connector.
3. Check continuity between automatic drive positioner control unit connector M50 terminals 36, 44 and tilt motor and telescopic
motor connector M27 terminals 3, 4.
4. Check continuity between automatic drive positioner control unit connector M50 terminals 36, 44 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness between automatic drive positioner control unit and tilt motor and tele-
scopic motor.
4. CHECK BCM OUTPUT SIGNAL
1. Connect the automatic drive positioner control unit connector.
2. Telescopic switch operate, check voltage between automatic drive positioner control unit connector and ground.
OK or NG
OK >> Replace tilt and telescopic motor.
NG >> Replace automatic drive positioner control unit.
Tilt Motor Circuit CheckAIS002YA
1. CHECK STEERING WHEEL TILT MECHANISM
Check following.

Operation malfunction caused by steering wheel tilt mechanism deformation or pinched harness and
other foreign materials

Operation malfunction and interference with other parts by poor installation
OK or NG
OK >> GO TO 2.
NG >> Repair the malfunctioning part. 36 (L/R) – 3 (L/R) : Continuity should exist.
44 (L/W) – 4 (L/W) : Continuity should exist.
36 (L/R) – Ground :Continuity should not exist.
44 (L/W) – Ground :Continuity should not exist.
PIIA5066E
Connector Terminals
(Wire color) Telescopic switch condition Voltage (V)
(Approx.)
(+) (–)
M50 36 (L/R)
Ground FORWARD Battery voltage
Other than above 0
44 (L/W) BACKWARD Battery voltage
Other than above 0
PIIA5068E

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4. CHECK BCM OUTPUT SIGNAL
1. Connect automatic drive positioner control unit connector and tilt and telescopic motor connector.
2. Tilt switch operate, check voltage between automatic drive positioner control unit connector and ground.
OK or NG
OK >> Replace tilt and telescopic motor.
NG >> Replace automatic drive positioner control unit.
Driver Side Mirror Motor Circuit CheckAIS003BU
1. CHECK DOOR MIRROR FUNCTION
Check the following.
Operation malfunction caused by a foreign object caught in door mirror face edge.
OK or NG
OK >> GO TO 2.
NG >> Repair the malfunctioning parts, and check the symptom again.
2. CHECK MIRROR MOTOR
With CONSULT-II
Check the operation with “MIRROR MOTOR LH” in the ACTIVE TEST.
Without CONSULT-II
GO TO 3.
OK or NG
OK >> Driver side mirror motor circuit is OK.
NG >> GO TO 3.
Connector Terminals
(Wire color) Tilt switch condition Voltage (V)
(Approx.)
(+) (–)
M50 35 (R/L)
Ground UP Battery voltage
Other than above 0
42 (R/B) DOWN Battery voltage
Other than above 0
PIIA5067E
Test item Description
MIRROR MOTOR LH The LH mirror motor moves the mirror UP/DOWN and
LEFT/RIGHT by receiving the drive signal.
PIIA4784E

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AUTOMATIC DRIVE POSITIONER
Revision: 2005 July 2005 FX
3. CHECK HARNESS CONTINUITY
1. Disconnect automatic drive positioner control unit and door mirror (driver side).
2. Check continuity between automatic drive positioner control unit connector M50 terminal 33, 41 and door mirror (driver side) con-
nector D2 terminal 5, 12.
3. Check continuity between automatic drive positioner control unit connector M50 terminal 33, 41 and ground.
OK or NG
OK >> Check the condition of the harness and connector.
NG >> Repair or replace harness between automatic drive positioner control unit and door mirror (driver side).
Front Door Switch (Driver Side) Circuit CheckAIS002XZ
1. CHECK FUNCTION
With CONSULT-II
Touch “BCM” with “DOOR SW-DR” on the DATA MONITOR, check ON/OFF operation when the driver door is
open and closed. *: Refer to BL-38, "
Data Monitor" .
Without CONSULT-II
GO TO 2.
OK or NG
OK >> Front door switch (driver side) circuit is OK.
NG >> GO TO 2. 33 (G/W) – 5 (OR) : Continuity should exist.
41 (B/Y) – 12 (BR) : Continuity should exist.
33 (G/W) – Ground : Continuity should not exist.
41 (B/Y) – Ground : Continuity should not exist.
PIIA6134E
Monitor item
[OPERATION or UNIT] Contents
DOOR SW*
DR “ON/
OFF” Door open (ON)/door closed (OFF) status judged from
the driver door switch is displayed.
PIIA0291E

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2. CHECK FRONT DOOR SWITCH (DRIVER SIDE)
1. Turn ignition switch OFF.
2. Disconnect front door switch connector.
3. Check continuity between front door switch connector and ground part of door switch.
OK or NG
OK >> GO TO 3.
NG >> Replace front door switch (driver side).
3. CHECK FRONT DOOR (DRIVER SIDE) HARNESS CONTINUITY
1. Disconnect BCM connector.
2. Check continuity between BCM connector B14 terminal 62 and front door switch connector B26 terminal 1.
3. Check continuity between BCM connector B14 terminal 62 and ground.
OK or NG
OK >> Front door switch (driver side) circuit is OK.
NG >> Repair or replace harness between BCM and front door switch (driver side).
Terminals Door switch Continuity
1 Ground part of
door switch Pushed No
Released Yes
PIIA5091E
62 (W) – 1 (W) : Continuity should exist.
62 (W) – Ground : Continuity should not exist.
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3. CHECK DETENTION SWITCH
Check continuity between detection switch connector M67 terminal 2
and 3.
OK or NG
OK >> GO TO 4.
NG >> Replace detention switch.
4. CHECK DETENTION SWITCH GROUND HARNESS
Check continuity between automatic drive positioner control unit
connector M67 terminal 2 and ground.
OK or NG
OK >> Check the condition of the harness and connector.
NG >> Repair or replace harness between detention switch and
ground.
Key Switch and Key Lock Solenoid Circuit Check (With Intelligent Key)AIS002XY
1. CHECK KEY SWITCH AND KEY LOCK SOLENOID POWER SUPPRY CIRCUIT
With CONSULT-II
Touch “BCM”. With “IGN KEY SW” on the DATA MONITOR, Check ON/OFF operation.
*: Refer to BL-38, "
Data Monitor" .
Without CONSULT-II
GO TO 2.
OK or NG
OK >> Key switch and ignition knob circuit is OK.
NG >> GO TO 2.
Connector Terminal Condition Continuity
M67 2 3 P position Yes
Other than P position No
PIIA6703E
2 (B) – Ground : Continuity should exist.
PIIA6704E
Monitor item [OPERA- TION or UNIT] Contents
IGN KEY SW
*“ON/
OFF” Key inserted (ON)/key removed (OFF) status judged
from the key-in detection switch is displayed.
PIIA0298E