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Power Window Relay Test

  1. Remove the power window relay in the under-hood fuse/relay box.
  2. Check continuity at the relay terminals. See Fig 1 .
    • There should be continuity between the C and D terminals.
    • There should be continuity between the A and B terminals when power and ground are connected to the C and D terminals.
    • There should be no continuity between the A and B terminals when power is disconnected.
Fig 1: Testing Power Window Relay
G00092285Courtesy of AMERICAN HONDA MOTOR CO., INC.