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Test 7: ASCD Pump Circuit Check

  1. Turn ignition switch to LOCK position. Disconnect ASCD pump harness connector. Measure resistance between specified ASCD pump connector terminals. See ASCD PUMP RESISTANCE  table. See Fig 1. If resistance is as specified, go to next step. If resistance is not as specified, replace ASCD pump.
    ASCD PUMP RESISTANCE

    Measure Resistance Between Terminals No. Approximate Ohms
    1 & 2 3
    1 & 3 65
    1 & 4 65
  2. Ensure ignition switch is in LOCK position. Ensure ASCD pump is still disconnected. Disconnect ASCD control unit harness connector. Check each circuit for an open or short between ASCD pump and ASCD control unit harness connectors. Repair as necessary. See WIRING DIAGRAMS .
Fig 1: Identifying ASCD Pump Connector Terminals
G96H07104Courtesy of NISSAN MOTOR CO., U.S.A.