sensor INFINITI FX35 2004 Service Manual

AUTOMATIC DRIVE POSITIONER
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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-56
AUTOMATIC DRIVE POSITIONER
Revision: 2004 November 2004 FX35/FX45
Sliding Sensor Circuit CheckAIS002XS
1. CHECK FUNCTION
With CONSULT-II
Check operation with “SLIDE PUL SE” on the DATA MONITOR to make sure the pulse changes.
Without CONSULT-II
1. Turn ignition switch OFF.
2. Check signal between driver seat control unit connector and
ground, with oscilloscope.
OK or NG
OK >> Sliding sensor circuit is OK.
NG >> GO TO 2.
2. CHECK SLIDING SENSOR HARNESS CONTINUITY
1. Disconnect driver seat control unit connector and sliding motor connector.
2. Check continuity between driver seat control unit connector
B152 terminals 18 (G), 28C (B/W) and sliding motor B161 termi-
nals 18 (G), 28 (B/W).
3. Check continuity between driver seat control unit B152 terminals
18 (G), 28C (B/W) and ground.
OK or NG
OK >> Replace sliding motor.
NG >> Repair or replace harness between driver seat control unit and sliding motor.
Monitor item [OPERATION or UNIT] Contents
RECLN PUL SE —The seat sliding position (pulse) judged
from the sliding sensor signal is dis-
played.
PIIA4558E
ConnectorTerminals
(Wire color)
Condition Signal
(+) (–)
B152 18 (G) GroundSliding
motor
operation
PIIA6105E
PIIA3277E
18 (G) – 18 (G) : Continuity should exist.
28C (B/W) – 28 (B/W) : Continuity should exist.
18 (G) – Ground : Continuity should not exist.
28C (B/W) – Ground : Continuity should not exist.
PIIA6106E

AUTOMATIC DRIVE POSITIONER
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Revision: 2004 November 2004 FX35/FX45
Reclining Sensor Circuit CheckAIS002XT
1. CHECK FUNCTION
With CONSULT-II
Check operation with “RECLINING PUL SE” on the DATA MONITOR to make sure the pulse changes.
Without CONSULT-II
1. Turn ignition switch OFF.
2. Check signal between driver seat control unit connector and
ground, with oscilloscope.
OK or NG
OK >> Reclining sensor circuit is OK.
NG >> GO TO 2.
2. CHECK RECLINING SENSOR HARNESS CONTINUITY
1. Disconnect driver seat control unit connector and reclining motor connector.
2. Check continuity between driver seat control unit connector
B152 terminals 28C (B/W), 29 (G/L) and reclining motor connec-
tor B166 terminals 28 (B/W), 29 (G/L).
3. Check continuity between driver seat control unit connector
B152 terminals 28C (B/W), 29 (G/L) and ground.
OK or NG
OK >> Replace reclining motor.
NG >> Repair or replace harness between connectors driver seat control unit and reclining motor.
Monitor item [POERATION or UNIT] Contents
RECLN PUL SE —The seat reclining position (pulse) judged
from the reclining sensor is displayed
PIIA4558E
ConnectorTerminals
(Wire color)
Condition Signal
(+) (–)
B152 29 (G/L) GroundReclining
motor
operation
PIIA6107E
SIIA0692J
28C (B/W) – 28 (B/W) : Continuity should exist.
29 (G/L) – 29 (G/L) : Continuity should exist.
28C (B/W) – Ground : Continuity should not exist.
29 (G/L) – Ground : Continuity should not exist.
PIIA6108E

SE-58
AUTOMATIC DRIVE POSITIONER
Revision: 2004 November 2004 FX35/FX45
Front Lifting Sensor Circuit CheckAIS002XU
1. CHECK FUNCTION
With CONSULT-II
Check operation with “LIFT FR PUL SE” on the DATA MONITOR to make sure the pulse changes.
Without CONSULT-II
1. Turn ignition switch OFF.
2. Check signal between driver seat control unit connector and
ground, with oscilloscope.
OK or NG
OK >> Front lifting sensor circuit is OK.
NG >> GO TO 2.
2. CHECK FRONT LIFTING SENSOR HARNESS CONTINUITY
1. Disconnect driver seat control unit connector and front lifting motor connector.
2. Check continuity between driver seat control unit connector B152 terminals 19 (G/Y), 28C (B/W) and front
lifting motor connector B164 terminals 19 (G/Y), 28A (B/W).
3. Check continuity between driver seat control unit connector
B152 terminals 19 (G/Y), 28C (B/W) and ground.
OK or NG
OK >> Replace front lifting motor.
NG >> Repair or replace harness between driver seat control
unit and front lifting motor.
Monitor item [OPERATION or UNIT] Contents
LIFT FR PUL SE —The front lifting position (pulse) judged
from the front lifting sensor is displayed
PIIA4558E
ConnectorTe r m i n a l s
(Wire color)
Condition Signal
(+) (–)
B152 19 (G/Y) GroundFront lift-
ing motor
operation
PIIA6109E
SIIA0691J
19 (G/Y) – 19 (G/Y) : Continuity should exist.
28C (B/W) – 28A (G/W) : Continuity should exist.
19 (G/Y) – Ground : Continuity should not exist.
28C (B/W) – Ground : Continuity should not exist.
PIIA6110E

AUTOMATIC DRIVE POSITIONER
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Revision: 2004 November 2004 FX35/FX45
Rear Lifting Sensor Circuit CheckAIS002XV
1. CHECK REAR END LIFTING SENSOR INPUT/OUTPUT SIGNAL
With CONSULT-II
Check operation with “LIFT RP PUL SE” on the DATA MONITOR to make sure pulse changes.
Without CONSULT-II
1. Turn ignition switch OFF.
2. Check signal between driver seat control unit connector ground,
with oscilloscope.
OK or NG
OK >> Rear lifting sensor circuit is OK.
NG >> GO TO 2.
2. CHECK REAR LIFTING SENSOR HARNESS CONTINUITY
1. Disconnect driver seat control unit connector and rear lifting motor connector.
2. Check continuity between driver seat control unit connector B152 terminals 28C (B/W), 30 (G/W) and rear
lifting motor connector B162 terminals 28B (B/W), 30 (G/W).
3. Check continuity between driver seat control unit connector
B152 terminals 28C (B/W), 30 (G/W) and ground.
OK or NG
OK >> Replace rear lifting motor.
NG >> Repair or replace harness between driver seat control
unit and rear lifting motor.
Monitor item [OPERATION or UNIT
LIFT RR PUL SE —The rear lifting position (pulse) judged from
the rear lifting sensor is displayed.
PIIA4558E
ConnectorTe r m i n a l s
(Wire color)
Condition Signal
(+) (–)
B152 30 (G/W) GroundRear lift-
ing motor
operation
P I I A 6 111 E
SIIA0693J
28C (B/W) – 28B (B/W) : Continuity should exist.
30 (G/W) – 30 (G/W) : Continuity should exist.
28C (B/W) – Ground : Continuity should not exist.
30 (G/W) – Ground : Continuity should not exist.
PIIA6112E

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AUTOMATIC DRIVE POSITIONER
Revision: 2004 November 2004 FX35/FX45
Telescopic Sensor Circuit CheckAIS002YB
1. CHECK FUNCTION
With CONSULT-II
Operate the telescopic switch with “TELESCO SEN” on the DATA
MONITOR to make sure the voltage changes.
Without CONSULT-II
1. Turn ignition switch OFF.
2. Check voltage between automatic drive positioner control unit
connector and ground.
OK or NG
OK >> Telescopic sensor circuit is OK.
NG >> GO TO 2.
2. CHECK HARNESS CONTINUITY
1. Disconnect automatic drive positioner control unit connector and tilt sensor and telescopic sensor connec-
tor.
2. Check continuity harness between automatic drive positioner control unit connector M49 terminals 23 (Y/
B) and tilt sensor and telescopic sensor connector M28 terminals 3 (Y/B).
3. Check continuity harness between automatic drive positioner
control unit connector M28 terminals 23 (Y/B) and ground.
OK or NG
OK >> Replace tilt sensor and telescopic sensor.
NG >> Repair or replace harness between automatic drive
positioner control unit and tilt sensor and telescopic sen-
sor.
Monitor item [OPERA-
TION or UNIT]Contents
TELESCO
SEN“V”The telescoping position (voltage) judged from the tele-
scoping sensor signal is displayed.
PIIA0295E
ConnectorTe r m i n a l s
(Wire color)
ConditionVoltage (V)
(Approx.)
(+) (–)
M49 23 (Y/B) GroundTelescopic
top position0.56
Telescopic
bottom position4.44
PIIA5070E
23 (Y/B) – 3 (Y/B) : Continuity should exist.
23 (Y/B) – Ground : Continuity should not exist.
PIIA5079E

AUTOMATIC DRIVE POSITIONER
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Revision: 2004 November 2004 FX35/FX45
Tilt Sensor Circuit CheckAIS002YC
1. CHECK TILT SENSOR
With CONSULT-II
With “TILT SEN” on the DATA MONITOR, operate the tilt switch to
make sure voltage changes.
Without CONSULT-II
1. Turn ignition switch OFF.
2. Check voltage between automatic drive positioner control unit
connector and ground.
OK or NG
OK >> Tilt sensor circuit is OK.
NG >> GO TO 2.
2. CHECK HARNESS
1. Disconnect automatic drive positioner control unit connector and tilt sensor and telescopic sensor connec-
tor.
2. Check continuity harness between automatic drive positioner control unit connector M49 terminals 7 (Y/R)
and tilt sensor and telescopic sensor connector M28 terminals 2 (Y/R).
3. Automatic drive positioner control unit connector M49 terminals
7 (Y/R) and ground.
OK or NG
OK >> Replace tilt sensor and telescopic sensor.
NG >> Repair or replace harness between automatic drive
positioner control unit and tilt sensor and telescopic sen-
sor.
Monitor item [OPERA-
TION or UNIT]Contents
TILT SEN “V”The tilt position (voltage) judged from the tilt sensor sig-
nal is displayed.
PIIA0295E
ConnectorTerminals
(Wire color)
ConditionVoltage (V)
(Approx.)
(+) (–)
M49 7 (Y/R) GroundTilt top position 1.82
Tilt bottom position 4.44
PIIA5069E
7 (Y/R) – 2 (Y/R) : Continuity should exist.
7 (Y/R) – Ground : Continuity should not exist.
PIIA5080E

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AUTOMATIC DRIVE POSITIONER
Revision: 2004 November 2004 FX35/FX45
Driver Side Mirror Sensor Circuit Check AIS003BW
1. CHECK DOOR MIRROR FUNCTION
Check the following.
Operation malfunction in memory control
NOTE:
If a door mirror face position is set to an implausible angle, the set position may not be reproduced.
OK or NG
OK >> GO TO 2.
NG >> Repair the malfunctioning parts, and check the symptom again.
2. CHECK MIRROR SENSOR INSPECTION
With CONSULT-II
Make sure “ON” is displayed on “MIR/SE LH R–L, MIR/SE LH U–
D" in the DATA MONITOR.
Without CONSULT-II
1. Turn ignition switch to ACC position.
2. Check voltage between door mirror (driver side) connector and ground.
OK or NG
OK >> Mirror sensor LH circuit is OK.
NG >> GO TO 3.
3. CHECK HARNESS CONTINUITY 1
1. Disconnect automatic drive positioner control unit and door mirror (driver side) connector.
2. Check continuity between automatic drive positioner control unit connector M50 terminals 33 (G/W), 41
(B/Y) and door mirror (driver side) connector D2 terminals 5 (OR), 12 (BR).
3. Check continuity between automatic drove positioner control
unit connector M49 terminals 33 (G/W), 41 (B/Y) and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness between automatic drive
positioner control unit and door mirror (driver side).
Monitor item [OPERATION or
UNIT]Contents
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.
Con-
nectorTerminals (Wire color)
ConditionVoltage(V)
(Approx,)
(+) (–)
D24 (W)
GroundWhen motor is
UP or DOWN
operationChanges between
3 (close to perk) –
1 (close to valley)
11 (LG)When motor is
LEFT or RIGHT
operation Changes between
3 (close to right edge) –
1 (close to left edge)
PIIA0197E
PIIA6126E
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

AUTOMATIC DRIVE POSITIONER
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Revision: 2004 November 2004 FX35/FX45
4. CHECK HARNESS CONTINUITY 2
1. Check continuity between automatic drive positioner control unit connector M49 terminal 6 (P/L), 22 (L/Y)
and door mirror (driver side) connector D2 terminal 4 (W), 11 (L/G).
2. Check continuity between automatic drive positioner control unit
connector M49 terminal 6 (P/L), 22 (L/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 (driver side).
Passenger Side Mirror Sensor Circuit Check AIS003BX
1. CHECK DOOR MIRROR FUNCTION
Check the following.
Operation malfunction in memory control
NOTE:
If a door mirror face position is set to an implausible angle, the set position may not be reproduced.
OK or NG
OK >> GO TO 2.
NG >> Repair the malfunctioning parts, and check the symptom again.
2. CHECK MIRROR SENSOR INSPECTION
With CONSULT-II
Make sure “ON” is displayed on “MIR/SE RH R–L, MIR/SE RH U–
D” in the DATA MONITOR.
Without CONSULT-II
1. Turn ignition switch to ACC position.
2. Check voltage between door mirror (passenger side) connector and ground.
OK or NG
OK >> Mirror sensor RH circuit is OK.
NG >> GO TO 3.6 (P/L) – 4 (W) : Continuity should exist.
22 (L/Y) – 11 (LG) : Continuity should exist.
6 (P/L) – Ground : Continuity should not exist.
22 (L/Y) – Ground : Continuity should not exist.
PIIA6125E
Monitor item [OPERATION or
UNIT]Contents
MIR/SE RH R–L “V”Voltage output from RH door mirror sensor (LH/
RH) is displayed.
MIR/SE RH U–D “V”Voltage output from RH door mirror sensor (UP/
DOWN) is displayed.
Con-
nectorTerminals (Wire color)
ConditionVoltage(V)
(Approx.)
(+) (–)
D324 (LG)
GroundWhen motor is
UP or DOWN oper-
ationChanges between
3 (close to perk) –
1 (close to valley)
11 ( P )When motor is
LEFT or RIGHT
operation Changes between
1 (close to left edge) –
3 (close to right edge)
PIIA0197E
PIIA6129E

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