2004 INFINITI FX35 Power supply

AUTOMATIC DRIVE POSITIONER
SE-35
C
D
E
F
G
H
J
K
L
MA
B
SE
Revision: 2004 November 2004 FX35/FX45
7. Based on the trouble diagnosis chart, repair or replace the cause of the malfunction. Refer to SE-42,
"Symptom Chart" .
8. Does the automatic drive positioner system operate normally?
If it is normal, GO TO 8.
If it is not normal, GO TO 3.
9. INSPECTION END
Preliminary CheckAIS002XK
SETTING CHANGE FUNCTION
The settings of the automatic driving positioner system can be changed, using CONSULT-II and the display
unit in the center of the instrument panel.
×: Applicable –: Not applicable
It is possible to set sliding driver seat for entry/exit of vehicle by pressing set switch.
NOTE:
After the setting is registered, the new setting is effective, even if the battery is disconnected.
CHECK POWER SUPPLY AND GROUND
1. CHECK FUSE
Check if any of the following fuses in the BCM are blown.
NOTE:
Refer to SE-15, "
Component Parts and Harness Connector Location" .
OK or NG
OK >> GO TO 2.
NG >> If fuse is blownout, be sure to eliminate cause of malfunction before installing new fuse. Refer to
SE-15, "
Component Parts and Harness Connector Location" .
Setting item ContentCONSULT–II
(WORK SUPPORT)Display unitFactory
setting
Change seat sliding volume
settingThe distance at retain operation
can be selected from the following
3 modes.40 mm
—×
80 mm —
150 mm —
Change the Entry/Exit seat
slide function settingThe seat sliding turnout and return
at entry/exit can be selected: ON
(operated) – OFF (not operated)ON ON: Indicator lamp ON×
OFF OFF: Indicator lamp OFF —
Change the Entry/Exit tilt
steering wheel function settingLift up and backward steering
wheel at entry and exit can be
selected: ON (operated) - OFF (not
operated)ON ON: Indicator lamp ON×
OFF OFF: Indicator lamp OFF —
Reset custom settings All settings to default. —Default: Setting button
OFF—
Content Setting change operation Indicator LEDs
The seat sliding turnout and
steering wheel up/backward at
entry/exit can be operated.
Press the set switch for more than 10 secondsBlinking twice
The seat sliding turnout and
steering wheel up/backward at
entry/exit can be not operated.Blinking ones
Unit Power source Fuse/fusible link No.
BCMACC or ON power supply 6 (10A)
ON or STRAT power supply 1 (15A)
Battery power supply 22 (15A)
Battery power supply M (50A)

SE-36
AUTOMATIC DRIVE POSITIONER
Revision: 2004 November 2004 FX35/FX45
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 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.
4. CHECK FUSE
Check 10A fuse [No.9, located in fuse block (J/B)].
NOTE:
Refer to SE-15, "
Component Parts and Harness Connector Location" .
OK or NG
OK >> GO TO 5.
NG >> If fuse is blownout, be sure to eliminate cause of malfunction before installing new fuse. Refer to
SE-15, "
Component Parts and Harness Connector Location" .
ConnectorTe r m i n a l s
(Wire color)Power
sourceConditionVoltage (V)
(Approx.)
(+) (–)
M311 (LG/R) GroundACC
power
supplyIgnition
switch
ACCBattery voltage
38 (W/L) GroundIgnition
power
supplyIgnition
switch
ONBattery voltage
B1442 (L/R)
55 (G)GroundBattery
power
supplyIgnition
switch
OFFBattery voltage
PIIA5083E
ConnectorTe r m i n a l s
(Wire color)
Condition Continuity
(+) (–)
B1449 (B)
52 (B)GroundIgnition switch
OFFContinuity should exist.
PIIA5084E

AUTOMATIC DRIVE POSITIONER
SE-37
C
D
E
F
G
H
J
K
L
MA
B
SE
Revision: 2004 November 2004 FX35/FX45
5. CHECK POWER SUPPLY CIRCUIT (DRIVER SEAT CONTROL UNIT)
1. Disconnect driver seat control unit connector.
2. Check voltage between driver seat control unit and ground.
OK or NG
OK >> GO TO 6.
NG >> Repair or replace harness between driver seat control unit and fuse block (J/B).
6. CHECK GROUND CIRCUIT (DRIVER SEAT CONTROL UNIT)
1. Turn ignition switch OFF.
2. Check continuity between the driver seat control unit connector
B152, B153 terminal16A (B), 61E (B/Y) and ground.
OK or NG
OK >> GO TO 6.
NG >> Repair or replace harness between driver seat control
unit and ground.
7. CHECK POWER SUPPLY CIRCUIT (AUTOMATIC DRIVE POSITIONER CONTROL UNIT)
1. Disconnect automatic drive positioner control unit connector.
2. Check voltage between automatic drive positioner control unit
and ground.
OK or NG
OK >> GO TO 8.
NG >> Repair or replace harness between automatic drive positioner control unit and fuse block (J/B).
ConnectorTerminals
(Wire color)Power
sourceconditionVoltage (V)
(Approx.)
(+) (–)
B152 9 (BR) GroundSTART
power
supplyIgnition
switch
STARTBattery
voltage
B1531A (R),
11 A ( R / W )GroundBattery
power
supplyIgnition
switch
OFFBattery
voltage
PIIA5085E
16A (B) – Ground : Continuity should exist.
61E (B/Y) – Ground : Continuity should exist.
PIIA5087E
ConnectorTerminals
(Wire color)Power
sourceconditionVoltage (V)
(Approx.)
(+) (–)
M49 28 (SB)
GroundSTART
power
supplyIgnition
switch
STARTBattery
voltage
M50 34 (L/R)
M50 39 (W/R) GroundBattery
power
supplyIgnition
switch
OFFBattery
voltage
PIIA5086E

AUTOMATIC DRIVE POSITIONER
SE-43
C
D
E
F
G
H
J
K
L
MA
B
SE
Revision: 2004 November 2004 FX35/FX45
All the automatic operations do not operate.1. Detention switch (P range switch) circuit checkSE-82
2. Key switch and key lock solenoid circuit check (with
intelligent key)SE-83
3. Key switch circuit inspection (without intelligent key)SE-85
4. UART communication line circuit checkSE-89
5. Tilt sensor circuit checkSE-61
6. Telescopic sensor circuit checkSE-74
7. If all the above systems are normal, replace the auto-
matic drive positioner control unit.SE-15
A part of seat system does not operate (only manual
operation).1. Sliding switch circuit checkSE-67
2. Reclining switch circuit checkSE-68
3. Front lifting switch circuit checkSE-70
4. Rear lifting switch circuit checkSE-71
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 checkSE-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 checkSE-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 checkSE-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 checkSE-65
2. If all the above systems are normal, replace the BCMBCS-15
Only door mirror system dose not operated (only auto-
matic operation).Steering and door mirror sensor power supply and ground
circuit checkSE-64
Only seat sliding and seat reclining operation does not
operationSliding switch and reclining switch ground circuit checkSE-72
Only sear lifting (front and rear) operation does not opera-
tionFront lifting switch and rear lifting switch ground circuit
checkSE-73
Only lumber support does not operate Lumber support circuit checkSE-91
Symptom Diagnoses / service procedureReference
page

SE-64
AUTOMATIC DRIVE POSITIONER
Revision: 2004 November 2004 FX35/FX45
3. CHECK HARNESS CONTINUITY 1
1. Disconnect automatic drive positioner control unit and door mirror (passenger side) connector.
2. Check continuity between automatic drive positioner control unit connector M50 terminal 33 (G/W), 41 (B/
Y) and door mirror (passenger side) connector D32 terminal 5 (BR), 12 (G).
3. Check continuity between automatic drive positioner control unit
connector M50 terminals 33 (G/W), 41 (B/P) and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness between automatic drive
positioner control unit and door mirror (passenger side).
4. CHECK HARNESS CONTINUITY 2
1. Check continuity between automatic drive positioner control unit connector M49 terminal 5 (OR), 21 (G/Y)
and door mirror (passenger side) connector D32 terminal 4 (LG), 11 (P).
2. Check continuity between automatic drive positioner control unit
connector M49 terminal 5 (OR), 21 (G/Y) 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 (passenger side).
Steering and Door Mirror Sensor Power and Ground Circuit CheckAIS003GA
1. CHECK MIRROR SENSOR POWER SUPPLY
1. Turn ignition switch OFF.
2. Check voltage between automatic drive positioner control unit connector M50 terminal 33 and ground.
OK or NG
OK >> GO TO 2.
NG >> Replace automatic drive positioner control unit.33 (G/W) – 5 (BR) : Continuity should exist.
41 (B/Y) – 12 (G) : Continuity should exist.
33 (G/W) – Ground : Continuity should not exist.
41 (B/Y) – Ground : Continuity should not exist.
PIIA6127E
5 (OR) – 4 (LG) : Continuity should exist.
21 (G/Y) – 11 (P) : Continuity should exist.
5 (OR) – Ground : Continuity should not exist.
21 (G/Y) – Ground : Continuity should not exist.
PIIA6128E
33 (G/W) – Ground : Approx. 5V
PIIA4778E

SE-82
AUTOMATIC DRIVE POSITIONER
Revision: 2004 November 2004 FX35/FX45
Detention Switch (P Range Switch) Circuit CheckAIS002XW
1. CHECK FUNCTION
With CONSULT-II
Make sure when the A/T selector lever is in P position, “P POSITION
SW” on the DATA MONITOR becomes ON.
Without CONSULT-II
1. Turn ignition switch OFF.
2. Check voltage between drive seat control unit conductor and
ground.
OK or NG
OK >> Detention switch circuit is OK.
NG >> GO TO 2.
2. CHECK DETENTION SWITCH POWER SUPPLY CIRCUIT HARNESS
1. Key is removed form ignition key cylinder.
2. Disconnect driver seat control unit connector and A/T device
(detention switch) connector.
3. Check continuity between driver seat control unit connector
B152 terminal 17 (PU) and A/T device (detention switch) con-
nector M67 terminal 3 (R/Y).
4. Check continuity between driver seat control unit connector
B152 terminal 17 (PU) and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness between driver seat control unit and A/T device (detention switch).
Monitor item
[OPERATION or UNIT]Contents
P POSITION SW“ON/
OFF”The selector lever position “P position (ON)/other than
P position (OFF)” judged from the detente switch sig-
nal is displayed.
PIIA6950E
ConnectorTerminals
(Wire color)
ConditionVoltage (V)
(Approx.)
(+) (–)
B152 17 (PU) GroundSelector lever other than P
position.Battery voltage
Selector lever sifted to P
position.0
PIIA6702E
17 (PU) – 3 (R/Y) : Continuity should exist.
17 (PU) – Ground : Continuity should not exist.
PIIA6701E

SE-84
AUTOMATIC DRIVE POSITIONER
Revision: 2004 November 2004 FX35/FX45
2. CHECK KEY SWITCH AND KEY LOCK SOLENOID POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect key switch connector and key lock solenoid connec-
tor.
3. Check voltage between key switch and key lock solenoid con-
nector M22 terminal 3 (L/R) and ground.
OK or NG
OK >> GO TO 3.
NG >> Check harness between key switch and key lock sole-
noid and fuse.
3. CHECK KEY SWITCH
Check continuity between key switch as follows.
OK or NG
OK >> GO TO 4.
NG >> Replace detention switch.
4. CHECK HARNESS CONTINUITY
1. Disconnect key switch and ignition knob switch connector and
BCM connector.
2. Check continuity between key switch and ignition knob switch
connector M22 terminal 4 (B/W) and BCM connector M3 termi-
nal 37 (B/W).
3. Check continuity between key switch and ignition knob switch
connector M22 terminal 4 (B/W) and ground.
OK or NG
OK >> Key switch and ignition knob switch circuit is OK.
NG >> Repair or replace harness between key switch and ignition knob switch and BCM.3 (L/R) – Ground : Battery voltage.
PIIA5093E
Terminals Condition Continuity
3 – 4Key is inserted in ignition key cylinder. Yes
Key is removed from ignition key cylinder. No
PIIA6140E
4 (B/W) – 37 (B/W) : Continuity should exist.
4 (B/W) – Ground : Continuity should not exist.
PIIA5095E

AUTOMATIC DRIVE POSITIONER
SE-85
C
D
E
F
G
H
J
K
L
MA
B
SE
Revision: 2004 November 2004 FX35/FX45
Key Switch Circuit Check (Without Intelligent Key)AIS003G1
1. CHECK KEY SWITCH
With CONSULT-II
Touch "BCM". With “IGN KEY SW” on the DATA MONITOR, Check
ON/OFF operation.
*:Refer to BL-40, "Data Monitor" .
Without CONSULT-II
GO TO 2.
OK or NG
OK >> Key switch circuit is OK.
NG >> GO TO 2.
2. CHECK KEY SWITCH AND KEY LOCK SOLENOID POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect key switch connector.
3. Check voltage between key switch connector M23 terminal 2 (L/
R) and ground.
OK or NG
OK >> GO TO 3.
NG >> Check harness between key switch and fuse.
3. CHECK KEY SWITCH
Check continuity between key switch as follows.
OK or NG
OK >> GO TO 4.
NG >> Replace key switch.
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
2 (L/R) – Ground : Battery voltage.
PIIA5092E
Terminals Condition Continuity
1 – 2Key is inserted in ignition key cylinder. Yes
Key is removed from ignition key cylinder. No
PIIA6141E