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Home >> Infiniti >> 2005 >> QX56 AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P1572: ICC Brake Switch >> Component Inspection >> ICC Brake Hold Relay
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ICC Brake Hold Relay

  1. Apply 12V direct current between ICC brake hold relay terminals 1 and 2.
  2. Check continuity between relay terminals 3 and 4, 6 and 7 under the following conditions.
    Fig 1: Relay Terminals Continuity
    G02389303Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 2: Checking Continuity Between Relay Terminals
    G02389304Courtesy of NISSAN MOTOR CO., U.S.A.
  3. If NG, replace ICC brake hold relay.