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Main Switch

Measure the switch resistance.

Fig 1: Identifying Main Switch Connector Terminal
G05022599Courtesy of SUBARU OF AMERICA, INC.
RESISTANCE SPECIFICATION CHART

  Switch position Terminal No. Standard
Driver's side UP 10 and 2, 7 and 1 Less than 1 Ω
OFF 2 and 7, 1 and 2 Less than 1 Ω
DOWN 10 and 1, 7 and 2 Less than 1 Ω
AUTO DOWN 10 and 1, 7 and 2 Less than 1 Ω
RESISTANCE SPECIFICATION CHART

  Switch position Terminal No. Standard
Passenger's side UP 10 and 14, 7 and 11 Less than 1 Ω
OFF 7 and 14, 7 and 11 Less than 1 Ω
DOWN 10 and 11, 7 and 14 Less than 1 Ω
RESISTANCE SPECIFICATION CHART

  Switch position Terminal No. Standard
Rear RH seat UP 10 and 13, 7 and 12 Less than 1 Ω
OFF 7 and 13, 7 and 12 Less than 1 Ω
DOWN 10 and 12, 7 and 13 Less than 1 Ω
RESISTANCE SPECIFICATION CHART

  Switch position Terminal No. Standard
Rear LH seat UP 10 and 8, 7 and 9 Less than 1 Ω
OFF 7 and 8, 7 and 9 Less than 1 Ω
DOWN 9 and 10, 7 and 8 Less than 1 Ω

Replace the main switch if faulty.