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ECCS, ECM & Fuel Pump Relays

  1. Two types of relays are used; 4-pin and 6-pin. For relay location, see Figure or Figure. Remove appropriate relay. Apply battery voltage and ground to terminals No. 1 and 2. See Fig 1 or Fig 2 .
  2. Continuity should exist between terminals No. 3 and 5. On 6-pin relays, continuity should also exist between terminals No. 6 and 7. On all relays, when battery voltage is removed, continuity should not exist. Replace relay, if test values are not as specified.
Fig 1: Testing 4-Pin Relays
G97F06716Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 2: Testing 6-Pin Relays
G95H31929Courtesy of NISSAN MOTOR CO., U.S.A.
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