Lexus IS250 · Service Manual CRUISE CONTROL SYSTEM

INSPECTION

Inspection


INSPECT CRUISE CONTROL MAIN SWITCH

  1. Remove the cruise control main switch

    E107856E03

  1. Measure the resistance according to the value(s) in the table below.

    Standard resistance 
    Tester Connection
    Switch Condition
    Specified Condition
    A-1(ECC) - A-2(R/N), A-1(ECC) - A-3(CCS)
    Neutral
    10 kΩ or higher
    A-1(ECC) - A-3(CCS)
    + (ACCEL)/RES (RESUME)
    216 to 264Ω
    A-1(ECC) - A-3(CCS)
    - (COAST)/SET
    567 to 693Ω
    A-1(ECC) - A-3(CCS)
    CANCEL
    1,386 to 1,694Ω
    A-1(ECC) - A-3(CCS)
    Main Switch off
    10kΩ or higher
    A-1(ECC) - A-3(CCS)
    Main Switch on
    Below 1Ω
    A-1(ECC) - A-2(R/N)
    Main Switch on and Mode Switch on
    Below 1Ω
    If the result is not as specified, replace the cruise control main switch

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