Lexus ES300 (1997 year). Manual - part 267
N22088
2
1
N22089
2
1
N21865
(a)
(b)
2
1
1
2
N21868
2
1
N21869
2
1
BE–132
–
BODY ELECTRICAL
POWER SEAT CONTROL SYSTEM
1516
1997 LEXUS ES300 (RM511U)
9.
INSPECT REAR VERTICAL MOTOR PTC THERM-
ISTOR OPERATION
(a)
Connect the positive (+) lead from the battery to terminal
1, the positive (+) lead from the ammeter to terminal 2 and
the negative (–) lead to the battery negative (–) terminal,
then move the seat cushion to the highest position.
(b)
Continue to apply voltage, check that the current changes
to less than 1 ampere within 4 to 90 seconds.
(c)
Disconnect the leads from the terminals.
(d)
Approximately 60 seconds later, connect the positive (+)
lead from the battery to terminal 2 and the negative (–)
lead to terminal 1, check that the seat cushion begins to
descend.
If operation is not as specified, replace the seat adjuster.
10.
INSPECT RECLINING MOTOR OPERATION
(a)
Connect the positive (+) lead from the battery to terminal
1 and the negative (–) lead to terminal 2, check that the
motor turns counterclockwise.
(b)
Reverse the polarity, check that the motor turns clock-
wise.
If operation is not as specified, replace the seat adjuster.
11.
INSPECT RECLINING MOTOR PTC THERMISTOR OP-
ERATION
(a)
Connect the positive (+) lead from the battery to terminal
2, the positive (+) lead from the ammeter to terminal 1 and
the negative (–) lead to the battery negative (–) terminal,
then recline the seat back to the most forward position.
(b)
Continue to apply voltage, check that the current changes
to less than 1 ampere within 4 to 90 seconds.
(c)
Disconnect the leads from the terminals.
(d)
Approximately 60 seconds later, connect the positive (+)
lead from the battery to terminal 1 and the negative (–)
lead to terminal 2, check that the seat back starts to fall
backward.
If operation is not as specified, replace the seat adjuster.