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AUTOMATIC DRIVE POSITIONER
Revision: 2004 November 2004 FX35/FX45
Terminals and Reference Values for BCMAIS002XG
Terminals and Reference Values for Automatic Drive Positioner Control UnitAIS002XH
TERMINAL WIRE
COLORITEM CONDITIONVOLTAGE (V)
(Approx.)
11 LG/R ACC power supply Ignition switch ACC Battery voltage
37 B/W Key switch signalKey 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 power supply Ignition switch ON Battery voltage
39 L CAN-H — —
40 R CAN-L — —
42 L/R Battery power supply (fuse) Ignition switch OFF Battery voltage
49 B Ground (signal) Ignition switch ON 0
52 B Ground (power) Ignition switch ON 0
55 GBattery power supply (Fusible
link)Ignition switch OFF Battery voltage
62 W Front door switch (driver side) ON (Open) → OFF (Closed) 0 → Battery voltage
TERMI-
NALWIRE
COLORITEM CONDITIONVOLTAGE (V)
(Approx.)
1 LG/R Tilt switch UP signalTilt switch turned to upward 0
Tilt switch neutral position 5
2 G/W Changeover switch RH signalWhen changeover switch in RH posi-
tion0
When changeover switch in neutral
position5
3 GY Mirror switch UP signalWhen mirror switch in turned to
upward position0
When mirror switch in neutral position 5
4 Y Mirror switch LEFT signalWhen mirror switch in turned to left-
ward position0
When mirror switch in neutral position 5
5ORPassenger side mirror sensor
(vertical) signalWhen passenger side mirror motor is
UP or DOWN operationChanges between 3 (close to perk)
1 (close to valley)
6P/LDriver side mirror sensor (verti-
cal) signalWhen driver side mirror motor is UP
or DOWN operationChanges between 3 (close to perk)
1 (close to valley)
7 Y/R Tilt sensor inputTilt position, top 1.82
Tilt position, bottom 4.44
10 B UART LINE (TX) Memory switch 1 or 2 operated
11 BR Telescopic switch forward signalTelescoping switch turned to forward 0
Telescoping switch neutral position 5
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14 L/WPassenger side mirror motor UP
signalWhen passenger side mirror motor
UP operation1.5 - Battery voltage
Passenger side mirror motor OFF 0
15 L/BPassenger side mirror motor sig-
nalWhen passenger side mirror motor
LEFT operation1.5 - Battery voltage
Passenger side mirror motor RH OFF 0
16 PDriver side mirror motor DOWN
signalWhen driver side mirror motor DOWN
operation1.5 - Battery voltage
Driver side mirror motor OFF 0
Driver side mirror motor RIGTH
signalWhen driver side mirror motor RIGHT
operation1.5 - Battery voltage
Driver side mirror motor OFF 0
17 R/B Tilt switch DOWN signalTilt switch turned to downward 0
Tilt switch neutral position 5
18 L/OR Changeover switch LH signalWhen changeover switch in LH posi-
tion0
When changeover switch in neutral
position5
19 GY/L Mirror switch DOWN signalWhen mirror switch in turned to down-
ward position0
When mirror switch in neutral position 5
20 PU Mirror switch RIGHT signalWhen mirror switch in turned to right-
ward position0
When mirror switch in neutral position 5
21 G/YPassenger side mirror sensor
(horizontal) signalWhen passenger side mirror motor is
LEFT or RIGHT operationChanges between 1 (close to left
edge) 3 (close to right edge)
22 L/YDriver side mirror sensor (hori-
zontal) signalWhen driver side mirror motor is LEFT
or RIGHT operationChanges between 1 (close to right
edge) 3 (close to left edge)
23 Y/B Telescopic sensor inputTelescoping position, top 0.56
Telescoping position, bottom 4.44
26 W UART LINE (RX) Memory switch 1 or 2 operated
27 LGTelescopic switch backward sig-
nalTelescopic switch turned to backward 0
Telescoping switch neutral position 5
28 SB Ignition START power supply Ignition switch START Battery voltage
30 W/RPassenger side mirror motor
DOWN signalWhen passenger side mirror motor
downward1.5 - Battery voltage
Passenger side mirror motor OFF 0
Passenger side mirror motor
RIGTH signalWhen passenger side mirror motor
RIGHT operation1.5 - Battery voltage
Passenger side mirror motor OFF 0
31 R/WDriver side mirror motor UP sig-
nalWhen driver side mirror motor upward 1.5 - Battery voltage
Driver side mirror motor OFF 0 TERMI-
NALWIRE
COLORITEM CONDITIONVOLTAGE (V)
(Approx.)
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AUTOMATIC DRIVE POSITIONER
Revision: 2004 November 2004 FX35/FX45
Terminals and Reference Values for Driver Seat Control UnitAIS002XI
32 G/BDriver side mirror motor LEFT
signalWhen driver side mirror motor LEFT
operation1.5 - Battery voltage
Driver side mirror motor OFF 0
33 G/W Sensor power supply — 5
34 L/R Battery power supply Ignition switch OFF Battery voltage
35 R/L Tilt motor UP signalTilt switch turned to upward Battery voltage
Tilt switch OFF 0
36 L/R Telescopic motor forward signalTelescoping switch turned to forward Battery voltage
OFF 0
39 W/R Battery power supply Ignition switch OFF Battery voltage
40 B Ground (signal) Ignition switch ON 0
41 B/Y Sensor ground — 0
42 R/B Tilt motor DOWN signalTilt switch turned to downward Battery voltage
Tilt switch OFF 0
44 L/WTelescopic motor backward sig-
nalTelescoping switch turned to back-
wardBattery voltage
Telescoping switch OFF 0
48 B Ground (power) Ignition switch ON 0 TERMI-
NALWIRE
COLORITEM CONDITIONVOLTAGE (V)
(Approx.)
TERMI-
NAL WIRE
COLORITEM CONDITIONVOLTAGE (V)
(Approx.)
1A R Battery power supply Ignition switch OFF Battery voltage
2 P UART LINE (TX) —
3 G Sliding motor forward signalSliding switch turned to forward (Motor
operated)Battery voltage
OFF 0
4 G/L Reclining motor FR signalReclining switch turned to forward
(Motor operated)Battery voltage
OFF 0
5LGFront lifting motor DOWN
signalFront lifting switch turned to downward
(Motor operated)Battery voltage
OFF 0
6 G/W Rear lifting motor UP signalRear lifting switch turned to upward
(Motor operated)Battery voltage
OFF 0
7 G/BRear lifting motor DOWN
signalRear lifting switch turned to downward
(Motor operated)Battery voltage
OFF 0
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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

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Revision: 2004 November 2004 FX35/FX45
3. CHECK TILT MOTOR CIRCUIT HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect automatic drive positioner control unit connector and tilt and telescopic motor connector.
3. Check continuity between automatic drive positioner control unit connector M50 terminals 35 (R/L), 42 (R/
B) and tilt and telescopic motor connector M27 terminals 1 (R/L), 2 (R/B).
4. Check continuity between automatic drive positioner control unit
connector M50 terminals 35 (R/L), 42 (R/B) and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness between automatic drive
positioner control unit and tilt and telescopic motor.
4. CHECK BCM OUTPUT SIGNAL
1. Connect automatic drive positioner control unit connector and tilt and telescopic motor connector.
2. 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.35 (R/L) – 1 (R/L) : Continuity should exist.
42 (R/B) – 2 (R/B) : Continuity should exist.
35 (R/L) – Ground : Continuity should not exist.
42 (R/B) – Ground : Continuity should not exist.
PIIA5065E
ConnectorTe r m i n a l s
(Wire color)
ConditionVoltage (V)
(Approx.)
(+) (–)
M5035 (R/L)
GroundTilt switch turned to
upwardBattery voltage
Tilt switch neutral
position0
42 (R/B)Tilt switch turned to
downwardBattery voltage
Tilt switch neutral
position0
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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.
3. CHECK DOOR MIRROR MOTOR (DRIVER SIDE) HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect automatic drive positioner control unit connector and door mirror (driver side) connector.
3. Check continuity between automatic drive positioner control unit connector M49 terminal 16 (P), 31 (R/W),
32 (G/B) and door mirror (driver side) connector D2 terminal 8 (P), 9 (PU), 10 (GY).
4. Check continuity between automatic drive positioner control unit
connector M49 terminal 16 (P), 31 (R/W), 32 (G/B) and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness between automatic drive positioner control unit and door mirror (driver
side).
Test item Description
MIRROR MOTOR LHThe LH mirror motor moves the mirror UP/DOWN and
LEFT/RIGHT by receiving the drive signal.
PIIA4784E
16 (P) – 8 (P) : Continuity should exist.
31 (R/W) – 10 (GY) : Continuity should exist.
32 (G/B) – 9 (PU) : Continuity should exist.
16 (P) – Ground : Continuity should not exist.
31 (R/W) – Ground : Continuity should not exist.
32 (G/B) – Ground : Continuity should not exist.
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4. CHECK MIRROR MOTOR SIGNAL
1. Connect automatic drive positioner control unit and door mirror (driver side) connector.
2. Turn ignition switch to ACC position.
3. Check voltage between door mirror (driver side) connector and ground.
OK or NG
OK >> Replace door mirror motor (driver side).
NG >> Check the condition of the harness and the connector.
Passenger Side Mirror Motor Circuit CheckAIS003BV
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. MIRROR MOTOR INSPECTION
With CONSULT-II
Check the operation with “MIRROR MOTOR RH” in the ACTIVE
TEST.
Without CONSULT-II
GO TO 3.
OK or NG
OK >> Passenger side mirror motor circuit is OK.
NG >> GO TO 3.
ConnectorTe r m i n a l s
(Wire color)Condition
(Change over switch LH posi-
tion)Voltage (V)
(Approx.)
(+) (–)
D28 (P)
GroundMirror switch turned to down-
ward or rightwardBattery
voltage
Mirror position switch is neutral 0
9 (PU)Mirror switch turned to leftwardBattery
voltage
Mirror position switch is neutral 0
10 (GY)Mirror switch turned to upwardBattery
voltage
Mirror position switch is neutral 0
PIIA6130E
Test item Description
MIRROR MOTOR RHThe RH mirror motor moves the mirror UP/DOWN and
LEFT/RIGHT by receiving the drive signal.
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3. CHECK DOOR MIRROR MOTOR (PASSENGER SIDE) HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect automatic drive positioner control unit connector and door mirror (passenger side) connector.
3. Check continuity between automatic drive positioner control unit connector M49 terminal 14 (L/W), 15 (L/
B), 30 (W/R) and door mirror (passenger side) connector D32 terminal 8 (GY), 9 (OR), 10 (PU).
4. Check continuity between automatic drive positioner control unit
connector M49 terminal 14 (L/W), 15 (L/B), 30 (W/R) and
ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness between automatic drive positioner control unit and door mirror (pas-
senger side).
4. CHECK MIRROR MOTOR SIGNAL
1. Connect automatic drive positioner control unit and door mirror (passenger side) connector.
2. Turn ignition switch to ACC position.
3. Check voltage between door mirror (passenger side) connector and ground.
OK or NG
OK >> Replace door mirror motor (passenger side).
NG >> Check the condition of the harness and connector.14 (L/W) – 10 (PU) : Continuity should exist.
15 (L/B) – 9 (OR) : Continuity should exist.
30 (W/R) – 8 (GY) : Continuity should exist.
14 (L/W) – Ground : Continuity should not exist.
15 (L/B) – Ground : Continuity should not exist.
30 (W/R) – Ground : Continuity should not exist.
PIIA6133E
ConnectorTerminals (Wire color)
Condition
(Change over switch RH)Voltage (V)
(Approx.)
(+) (–)
D328 (G/Y)
GroundMirror switch turned to
downward or rightwardBattery
voltage
Mirror position switch is
neutral0
9 (OR)Mirror switch turned to
leftwardBattery
voltage
Mirror position switch is
neutral0
10 (PU)Mirror switch turned to
upwardBattery
voltage
Mirror position switch is
neutral0
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