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AUTOMATIC DRIVE POSITIONER
Revision: 2006 January2006 M35/M45
4. CHECK AUTOMATIC DRIVE POSITIONER CONTROL UNIT OUTPUT SIGNAL
1. Connect automatic drive positioner control unit connector and tilt motor connector.
2. Check voltage between automatic drive positioner control unit connector and ground.
OK or NG
OK >> Replace tilt motor.
NG >> Replace automatic drive positioner control unit.
Sliding Sensor Circuit CheckNIS0026D
1. CHECK FUNCTION
With CONSULT-II
Check operation with “SLIDE PULSE” 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.
Automatic
drive posi-
tioner C/U
connectorTerminals
Tilt switch conditionVoltage (V)
(Approx.)
(+) (–)
M735
GroundUP Battery voltage
Other than above 0
42DOWN Battery voltage
Other than above 0
PIIB6143E
Monitor item [OPERATION or UNIT] Contents
SLIDE PULSE —The seat sliding position (pulse) judged
from the sliding sensor signal is dis-
played
PIIA4558E
Driver seat
control unit
connectorTerminals
ConditionSignal
(Reference value)
(+) (–)
B204 24 GroundSliding
motor
operation
PIIB6147E
PIIA3277E
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AUTOMATIC DRIVE POSITIONER
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Revision: 2006 January2006 M35/M45
2. CHECK SLIDING SENSOR CIRCUIT HARNESS CONTINUITY
1. Disconnect driver seat control unit connector and sliding sensor front lifting sensor connector.
2. Check continuity between driver seat control unit connector and
sliding sensor front lifting sensor connector.
3. Check continuity between driver seat control unit connector and
ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3. CHECK DRIVER SEAT CONTROL UNIT OUTPUT
1. Connect driver seat control unit connector.
2. Check voltage between driver seat control unit connector and ground.
OK or NG
OK >> Replace sliding sensor front lifting sensor.
NG >> Replace automatic drive positioner control unit.
AB
Continuity
Driver seat control
unit connectorTerminalSliding sensor front
lifting sensor con-
nectorTerminal
B20424
B21424
Ye s
31 31
A
GroundContinuity
Driver seat control unit
connectorTerminal
B20424
No
31
PIIB6148E
Terminals
Voltage (V)
(Approx.) (+)
(–)
Driver seat con-
trol unit connectorTerminal
B204 24 Ground 5
PIIB6149E
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SE-54
AUTOMATIC DRIVE POSITIONER
Revision: 2006 January2006 M35/M45
Reclining Sensor Circuit CheckNIS0026E
1. CHECK FUNCTION
With CONSULT-II
Check operation with “RECLN PULSE” 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.
Monitor item [OPERATION or UNIT] Contents
RECLN PULSE —The seat reclining position (pulse) judged
from the reclining sensor is displayed
PIIA4558E
Driver seat
control unit
connectorTe r m i n a l s
ConditionSignal
(Reference value)
(+) (–)
B204 9 GroundReclining
motor
operation
PIIB6150EPIIB2807E
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2. CHECK RECLINING MOTOR SENSOR CIRCUIT HARNESS CONTINUITY
1. Disconnect driver seat control unit and reclining sensor connector.
2. Check continuity between driver seat control unit connector and reclining sensor connector.
3. Check continuity between driver seat control unit connector and
ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3. CHECK DRIVER SEAT CONTROL UNIT OUTPUT
1. Connect driver seat control unit connector.
2. Check voltage between driver seat control unit connector and ground.
OK or NG
OK >> Replace reclining sensor.
NG >> Replace automatic drive positioner control unit.
AB
Continuity Driver seat
control unit
connectorTe r m i n a lReclining sen-
sor connectorTe r m i n a l
B2049
B2229
Ye s
31 31
A
GroundContinuity
Driver seat control unit
connectorTerminal
B2049
No
31
PIIB6151E
Terminals
Voltage (V)
(Approx.) (+)
(–)
Driver seat control
unit connectorTerminal
B204 9 Ground 5
PIIB6152E
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SE-56
AUTOMATIC DRIVE POSITIONER
Revision: 2006 January2006 M35/M45
Front Lifting Sensor Circuit CheckNIS0026F
1. CHECK FUNCTION
With CONSULT-II
Check operation with “LIFT FR PULSE” 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 front lifting sensor is OK.
NG >> GO TO 2.
Monitor item [OPERATION or UNIT] Contents
LIFT FR PULSE —The front lifting position (pulse) judged
from the lifting sensor (front) is dis-
played
PIIA4558E
Sliding
sensor
front lifting
sensorTe r m i n a l s
ConditionSignal
(Reference value)
(+) (–)
B214 25 GroundFront
lifting
motor
operation
PIIB6153E
PIIA3278E
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AUTOMATIC DRIVE POSITIONER
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2. CHECK FRONT LIFTING MOTOR SENSOR CIRCUIT HARNESS CONTINUITY
1. Disconnect driver seat control unit and sliding sensor front lifting sensor connector.
2. Check continuity between driver seat control unit connector and sliding sensor front lifting sensor connec-
tor.
3. Check continuity between driver seat control unit connector and
ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3. CHECK DRIVER SEAT CONTROL UNIT OUTPUT
1. Connect driver seat control unit connector.
2. Check voltage between driver seat control unit connector and ground.
OK or NG
OK >> Replace sliding sensor front lifting sensor.
NG >> Replace automatic drive positioner control unit.
AB
Continuity
Driver seat control
unit connectorTerminalSliding sensor front
lifting sensor con-
nectorTerminal
B20425
B21425
Ye s
31 31B
A
GroundContinuity
Driver seat control unit
connectorTerminal
B20425
No
31
PIIB6154E
Terminals
Voltage (V)
(Approx.) (+)
(–)
Driver seat control
unit connectorTerminal
B204 25 Ground 5
PIIB6155E
Page 5239 of 5621
SE-58
AUTOMATIC DRIVE POSITIONER
Revision: 2006 January2006 M35/M45
Rear Lifting Sensor Circuit CheckNIS0026G
1. CHECK FUNCTION
With CONSULT-II
Check operation with “LIFT RR PULSE” 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 and ground, with oscilloscope.
OK or NG
OK >> Rear lifting sensor circuit is OK.
NG >> GO TO 2.
Monitor item [OPERATION or UNIT]
LIFT RR PULSE —The rear lifting position (pulse) judged from
the lifting sensor (rear) is displayed.
PIIA4558E
Driver seat
control unit
connectorTerminals
ConditionSignal
(Reference value)
(+) (–)
B204 10 GroundRear
lifting
motor
operation
PIIB6156EPIIA3278E
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Revision: 2006 January2006 M35/M45
2. CHECK REAR LIFTING MOTOR SENSOR CIRCUIT HARNESS CONTINUITY
1. Disconnect driver seat control unit and rear lifting sensor connector.
2. Check continuity between driver seat control unit connector and
rear lifting sensor connector.
3. Check continuity between driver seat control unit connector and
ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3. CHECK DRIVER SEAT CONTROL UNIT OUTPUT
1. Connect driver seat control unit connector.
2. Check voltage between driver seat control unit connector and ground.
OK or NG
OK >> Replace rear lifting sensor.
NG >> Replace automatic drive positioner control unit.
AB
Continuity
Driver seat control
unit connectorTerminalRear lifting sensor
connectorTerminal
B20410
B21810
Ye s
31 31
A
GroundContinuity
Driver seat control unit
connectorTerminal
B20410
No
31
PIIB6157E
Terminals
Voltage (V)
(Approx.) (+)
(–)
Driver seat con-
trol unit connectorTerminal
B204 10 Ground 5
PIIB6158E