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AUTOMATIC DRIVE POSITIONER
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Revision: 2004 November 2004 FX35/FX45
4. CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL
1. Connect the driver seat control unit connector.
2. Check voltage between driver seat control unit connector and
ground.
OK or NG
OK >> Replace sliding motor.
NG >> Replace driver seat control unit.
Reclining Motor Circuit CheckAIS002XO
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.
NG >> Repair the malfunctioning part and check again.
2. CHECK FUNCTION
With CONSULT-II
Check operation with “SEAT RECLINING” in ACTIVE TEST.
Without CONSULT-II
GO TO 3.
OK or NG
OK >> Reclining motor circuit is OK.
NG >> GO TO 3.
Connec-
torTerminals
(Wire color)
ConditionVoltage (V)
(Approx.)
(+) (–)
B1533 (G)
GroundSliding switch turned to forward Battery voltage
Sliding switch neutral position 0
10 (G/R)Sliding switch turned to backward Battery voltage
Sliding switch neutral position 0
PIIA6113E
Test item Description
SEAT
RECLININGThe reclining motor is activated by receiving the drive signal.
PIIA0268E
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3. CHECK RECLINING MOTOR HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit connector and reclining motor connector.
3. Check continuity between driver seat control unit connector B153 terminals 4 (G/L), 12 (G/Y) and reclining
motor connector B166 terminals 4 (G/L), 12 (G/Y).
4. Check continuity between driver seat control unit connector
B153 terminals 4 (G/L), 12 (G/Y) 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. Check voltage between driver seat control unit connector and
ground.
OK or NG
OK >> Replace reclining motor.
NG >> Replace driver seat control unit.
Front Lifting Motor Circuit CheckAIS002XP
1. CHECK FRONT END SEAT LIFTING MECHANISM
Check the following.
Operation malfunction caused by lifter mechanism deformation or pinched harness or other foreign mate-
rials
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.
NG >> Repair the malfunctioning part and check again.4 (G/L) – 4 (G/L) : Continuity should exist.
12 (G/Y) – 12 (G/Y) : Continuity should exist.
4 (G/L) – Ground : Continuity should not exist.
12 (G/Y) – Ground : Continuity should not exist.
PIIA6117E
ConnectorTerminals
(Wire color)
ConditionVoltage (V)
(Approx.)
(+) (–)
B1534 (G/L)
GroundReclining switch turned to
forwardBattery voltage
Reclining switch neutral
position0
12 (G/Y)Reclining switch turned to
backwardBattery voltage
Reclining switch neutral
position0
PIIA6116E
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Revision: 2004 November 2004 FX35/FX45
2. CHECK FUNCTION
With CONSULT-II
Check operation with “SEAT LIFTER FR” in ACTIVE TEST.
Without CONSULT-II
GO TO 3.
OK or NG
OK >> Front lifting motor circuit is OK.
NG >> GO TO 3.
3. CHECK FRONT LIFTING MOTOR 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 (LG), 13 (Y) and front
lifting motor connector B164 terminals 5 (LG), 13 (Y).
4. Check continuity between driver seat control unit connector
B153 and terminals 5 (LG), 13 (Y) and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness between driver seat control
unit and front lifting motor.
Test item Description
SEAT
LIFTER FRThe front end lifter motor is activated by receiving the drive sig-
nal.
PIIA0271E
5 (LG) – 5 (LG) : Continuity should exist.
13 (Y) – 13 (Y) : Continuity should exist.
5 (LG) – Ground : Continuity should not exist.
13 (Y) – Ground : Continuity should not exist.
PIIA6120E
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Revision: 2004 November 2004 FX35/FX45
4. CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL
1. Connect the driver seat control unit connector.
2. Check voltage between driver seat control unit connector and
ground.
OK or NG
OK >> Replace front lifting motor.
NG >> Replace driver seat control unit.
Rear Lifting Motor Circuit CheckAIS002XQ
1. CHECK REAR END SEAT LIFTING MECHANISM
Check the following.
Operation malfunction caused by lifter mechanism deformation or pinched harness or other foreign mate-
rials
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.
NG >> Repair the malfunctioning part and check again.
2. CHECK FUNCTION
With CONSULT-II
Check operation with “SEAT LIFTER RR” in ACTIVE TEST.
Without CONSULT-II
GO TO 3.
OK or NG
OK >> Rear lifting motor check is OK.
NG >> GO TO 3.
ConnectorTerminals
(Wire color)
ConditionVoltage (V)
(Approx.)
(+) (–)
B1535 (LG)
GroundFront lifting switch turned to
downwardBattery voltage
Front lifting switch neutral
position0
13 (Y)Front lifting switch turned to
upwardBattery voltage
Front lifting switch neutral
position0
PIIA6119E
Test item Description
SEAT LIFTER
RRThe rear end lifter motor is activated by receiving the drive sig-
nal.
PIIA0274E
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3. CHECK REAR LIFTING HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit connector and rear lifting motor connector.
3. Check continuity between driver seat control unit connector B153 terminals 6 (G/W), 7 (G/B) and lifting
motor connector B162 terminals 6 (G/W), 7 (G/B).
4. Check continuity between driver seat control unit B153 terminals
6 (G/W), 7 (G/B) and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness between driver seat control
unit and rear lifting motor.
4. CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL
1. Connect the driver seat control unit connector.
2. Check voltage between driver seat control unit connector and
ground.
OK or NG
OK >> Replace rear lifting motor.
NG >> Replace driver seat control unit.
Telescopic Motor Circuit CheckAIS002Y9
1. CHECK STEERING WHEEL TELESCOPIC MECHANISM
Check following.
Operation malfunction caused by steering wheel telescopic mechanism deformation or pinched harness
or 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 and check again.6 (G/W) – 6 (G/W) : Continuity should exist.
7 (G/B) – 7 (G/B) : Continuity should exist.
6 (G/W) – Ground : Continuity should not exist.
7 (G/B) – Ground : Continuity should not exist.
PIIA6123E
ConnectorTe r m i n a l s
(Wire color)
ConditionVoltage (V)
(Approx.)
(+) (–)
B1536 (G/W)
GroundRear lifting switch turned to
upwardBattery voltage
Rear lifting switch neutral
position0
7 (G/B)Rear lifting switch turned to
downwardBattery voltage
Rear lifting switch neutral
position0
PIIA6122E
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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
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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
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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