Lexus IS250 · Service Manual BODY

INSPECTION

Inspection


INSPECT FRONT POWER SEAT SWITCH LH

  1. B105970E04
    Measure the resistance between the specified terminals when each switch is operated.

    Standard resistance (Slide switch):
    Tester Connection
    Switch Condition
    Specified Condition
    1 (B) - 9 (SLDF)
    FRONT
    Below 1 Ω
    4 (E) - 6 (SLDR)
    FRONT
    Below 1 Ω
    1 (B) - 6 (SLDR)
    FRONT
    10 kΩ or higher
    4 (E) - 9 (SLDF)
    FRONT
    10 kΩ or higher
    4 (E) - 6 (SLDR)
    OFF
    Below 1 Ω
    4 (E) - 9 (SLDF)
    OFF
    Below 1 Ω
    1 (B) - 6 (SLDR)
    OFF
    10 kΩ or higher
    1 (B) - 9 (SLDF)
    OFF
    10 kΩ or higher
    1 (B) - 6 (SLDR)
    REAR
    Below 1 Ω
    4 (E) - 9 (SLDF)
    REAR
    Below 1 Ω
    1 (B) - 9 (SLDF)
    REAR
    10 kΩ or higher
    4 (E) - 6 (SLDR)
    REAR
    10 kΩ or higher

    Standard resistance (Front vertical switch):
    Tester Connection
    Switch Condition
    Specified Condition
    1 (B) - 10 (FUP)
    UP
    Below 1 Ω
    4 (E) - 5 (FDWN)
    UP
    Below 1 Ω
    1 (B) - 5 (FDWN)
    UP
    10 kΩ or higher
    4 (E) - 10 (FUP)
    UP
    10 kΩ or higher
    4 (E) - 5 (FDWN)
    OFF
    Below 1 Ω
    4 (E) - 10 (FUP)
    OFF
    Below 1 Ω
    1 (B) - 5 (FDWN)
    OFF
    10 kΩ or higher
    1 (B) - 10 (FUP)
    OFF
    10 kΩ or higher
    1 (B) - 5 (FDWN)
    DOWN
    Below 1 Ω
    4 (E) - 10 (FUP)
    DOWN
    Below 1 Ω
    1 (B) - 10 (FUP)
    DOWN
    10 kΩ or higher
    4 (E) - 5 (FDWN)
    DOWN
    10 kΩ or higher

    Standard resistance (Lifter switch):
    Tester Connection
    Switch Condition
    Specified Condition
    1 (B) - 7 (LUP)
    UP
    Below 1 Ω
    4 (E) - 8 (LDWN)
    UP
    Below 1 Ω
    1 (B) - 8 (LDWN)
    UP
    10 kΩ or higher
    4 (E) - 7 (LUP)
    UP
    10 kΩ or higher
    4 (E) - 7 (LUP)
    OFF
    Below 1 Ω
    4 (E) - 8 (LDWN)
    OFF
    Below 1 Ω
    1 (B) - 7 (LUP)
    OFF
    10 kΩ or higher
    1 (B) - 8 (LDWN)
    OFF
    10 kΩ or higher
    1 (B) - 8 (LDWN)
    DOWN
    Below 1 Ω
    4 (E) - 7 (LUP)
    DOWN
    Below 1 Ω
    1 (B) - 7 (LUP)
    DOWN
    10 kΩ or higher
    4 (E) - 8 (LDWN)
    DOWN
    10 kΩ or higher

    Standard resistance (Reclining switch):
    Tester Connection
    Switch Condition
    Specified Condition
    1 (B) - 3 (RCLF)
    FRONT
    Below 1 Ω
    4 (E) - 2 (RCLR)
    FRONT
    Below 1 Ω
    1 (B) - 2 (RCLR)
    FRONT
    10 kΩ or higher
    4 (E) -3 (RCLF)
    FRONT
    10 kΩ or higher
    4 (E) - 2 (RCLR)
    OFF
    Below 1 Ω
    4 (E) - 3 (RCLF)
    OFF
    Below 1 Ω
    1 (B) - 3 (RCLF)
    OFF
    10 kΩ or higher
    1 (B) - 2 (RCLR)
    OFF
    10 kΩ or higher
    1 (B) - 2 (RCLR)
    REAR
    Below 1 Ω
    4 (E) - 3 (RCLF)
    REAR
    Below 1 Ω
    1 (B) - 3 (RCLF)
    REAR
    10 kΩ or higher
    4 (E) - 2 (RCLR)
    REAR
    10 kΩ or higher

    If the result is not as specified, replace switch.


INSPECT FRONT POWER SEAT SWITCH RH

  1. B105969E03
    Measure the resistance between the specified terminals when each switch is operated.

    Standard resistance (Slide switch):
    Tester Connection
    Switch Condition
    Specified Condition
    1 (B) - 9 (SLDF)
    FRONT
    Below 1 Ω
    4 (E) - 6 (SLDR)
    FRONT
    Below 1 Ω
    1 (B) - 6 (SLDR)
    FRONT
    10 kΩ or higher
    4 (E) - 9 (SLDF)
    FRONT
    10 kΩ or higher
    4 (E) - 6 (SLDR)
    OFF
    Below 1 Ω
    4 (E) - 9 (SLDF)
    OFF
    Below 1 Ω
    1 (B) - 6 (SLDR)
    OFF
    10 kΩ or higher
    1 (B) - 9 (SLDF)
    OFF
    10 kΩ or higher
    1 (B) - 6 (SLDR)
    REAR
    Below 1 Ω
    4 (E) - 9 (SLDF)
    REAR
    Below 1 Ω
    1 (B) - 9 (SLDF)
    REAR
    10 kΩ or higher
    4 (E) - 6 (SLDR)
    REAR
    10 kΩ or higher

    Standard resistance (Front vertical switch):
    Tester Connection
    Switch Condition
    Specified Condition
    1 (B) - 10 (FUP)
    UP
    Below 1 Ω
    4 (E) - 5 (FDWN)
    UP
    Below 1 Ω
    1 (B) - 5 (FDWN)
    UP
    10 kΩ or higher
    4 (E) - 10 (FUP)
    UP
    10 kΩ or higher
    4 (E) - 5 (FDWN)
    OFF
    Below 1 Ω
    4 (E) - 10 (FUP)
    OFF
    Below 1 Ω
    1 (B) - 5 (FDWN)
    OFF
    10 kΩ or higher
    1 (B) - 10 (FUP)
    OFF
    10 kΩ or higher
    1 (B) - 5 (FDWN)
    DOWN
    Below 1 Ω
    4 (E) - 10 (FUP)
    DOWN
    Below 1 Ω
    1 (B) - 10 (FUP)
    DOWN
    10 kΩ or higher
    4 (E) - 5 (FDWN)
    DOWN
    10 kΩ or higher

    Standard resistance (Lifter switch):
    Tester Connection
    Switch Condition
    Specified Condition
    1 (B) - 7 (LUP)
    UP
    Below 1 Ω
    4 (E) - 8 (LDWN)
    UP
    Below 1 Ω
    1 (B) - 8 (LDWN)
    UP
    10 kΩ or higher
    4 (E) - 7 (LUP)
    UP
    10 kΩ or higher
    4 (E) - 7 (LUP)
    OFF
    Below 1 Ω
    4 (E) - 8 (LDWN)
    OFF
    Below 1 Ω
    1 (B) - 7 (LUP)
    OFF
    10 kΩ or higher
    1 (B) - 8 (LDWN)
    OFF
    10 kΩ or higher
    1 (B) - 8 (LDWN)
    DOWN
    Below 1 Ω
    4 (E) - 7 (LUP)
    DOWN
    Below 1 Ω
    1 (B) - 7 (LUP)
    DOWN
    10 kΩ or higher
    4 (E) - 8 (LDWN)
    DOWN
    10 kΩ or higher

    Standard resistance (Reclining switch):
    Tester Connection
    Switch Condition
    Specified Condition
    1 (B) - 3 (RCLF)
    FRONT
    Below 1 Ω
    4 (E) - 2 (RCLR)
    FRONT
    Below 1 Ω
    1 (B) - 2 (RCLR)
    FRONT
    10 kΩ or higher
    4 (E) -3 (RCLF)
    FRONT
    10 kΩ or higher
    4 (E) - 2 (RCLR)
    OFF
    Below 1 Ω
    4 (E) - 3 (RCLF)
    OFF
    Below 1 Ω
    1 (B) - 3 (RCLF)
    OFF
    10 kΩ or higher
    1 (B) - 2 (RCLR)
    OFF
    10 kΩ or higher
    1 (B) - 2 (RCLR)
    REAR
    Below 1 Ω
    4 (E) - 3 (RCLF)
    REAR
    Below 1 Ω
    1 (B) - 3 (RCLF)
    REAR
    10 kΩ or higher
    4 (E) - 2 (RCLR)
    REAR
    10 kΩ or higher

    If the result is not as specified, replace switch.

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