LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2003 >> QX4 RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System & Component Testing >> Relays & Solenoids >> Relays >> ECM Relay
April 5, 2026: LEMON Manuals is launched! Read the announcement.

ECM Relay

NOTE: ECM relay testing information for FX35, FX45 and G35 is not available from the manufacturer.
  1. For relay location, see Fig 1 - Fig 4 . Remove ECM relay. Using jumper wires, apply battery to terminals No. 1 and 2. See Fig 5.
  2. Continuity should exist between terminals No. 3 and 5, and between terminals No. 6 and 7. Remove jumper wires. Continuity should not exist. If continuity is not as specified, replace relay.
Fig 1: Locating ECM Relay (FX35 & FX45)
G00248129Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 2: Locating ECM Relay (G35)
G00248132Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 3: Locating ECM Relay (I35)
G00248130Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 4: Locating ECM Relay (M45 Shown; Q45 Is Similar)
G00248131Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 5: Testing ECM Relay (I35, M45, QX4 & Q45)
G95H31929Courtesy of NISSAN MOTOR CO., U.S.A.