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Kickback & Pump Operation

  1. The pump motor operates when ABS is functioning, and fluid in reservoir is forced out to master cylinder causing kickback at brake pedal.
  2. ABS control unit checks pump motor operation during initial diagnosis and vehicle starts. A faint noise may be heard under these conditions and also when ABS is active. This is a normal condition.
Fig 1: Identifying Fail-Safe Relay Terminals
G98D10887Courtesy of AMERICAN HONDA MOTOR CO., INC.
Fig 2: Identifying ABS Pump Motor Relay Terminals
G98C10324Courtesy of AMERICAN HONDA MOTOR CO., INC.