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Sub-Switch Test

  1. Disconnect sub-switch connector. Measured voltage between harness connector terminal No. 1 and ground should be 10-13 volts. See Fig 1 .
    Fig 1: Checking Voltage Between Sub-Switch & Ground
    G93I84150Courtesy of SUBARU OF AMERICA, INC.
  2. Check for harness short circuit between sub-switch and cruise control module. Resistance between terminal No. 2 and ground and terminal No. 3 and ground should be one megohm or greater. See Fig 2 .
    Fig 2: Checking Sub-Switch Continuity
    G93J84151Courtesy of SUBARU OF AMERICA, INC.
  3. Check inner switch of sub-switch and check continuity at switch side connector. Resistance between terminals No. 1 and 2 (SET/COAST) and terminals No. 1 and 3 (RESUME/ACCEL) should be 10 ohms or less with switch on and one megohm or greater with switch off. See Fig 2 .
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