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Power Lumbar Support System Check

  1. Push forward lumbar inflator switch to up position. Both lateral (side) bladders should inflate. Lumbar pump will cut out after bladders are fully inflated.
  2. Push forward lumbar inflator switch to down position. Both lateral (side) bladders should deflate. Lumbar pump will cut out after bladders are fully deflated.
  3. Push rearward lumbar inflator switch to up position. Lumbar bladder should inflate. Lumbar pump will cut out after bladder is fully inflated.
  4. Push rearward lumbar inflator switch to down position. Lumbar bladder should deflate. Lumbar pump will cut out after bladder is fully deflated.
  5. If power lumbar support does not operate at all, go to TEST D: LUMBAR SUPPORT INOPERATIVE  under SYSTEM TESTS. If power lumbar/lateral support is inoperative in one function, go to next step.
  6. If either lumbar or lateral support does not move in or out, go to TEST E: LUMBAR OR LATERAL SUPPORT DOES NOT MOVE IN OR OUT  under SYSTEM TESTS.