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Home >> Infiniti >> 2004 >> QX56 RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1237 (Power Supply, Ground & Circuit Elements) >> IPDM E/R (Intelligent Power Distribution Module Engine Room) >> IPDM E/R Power/Ground Circuit Inspection

IPDM E/R Power/Ground Circuit Inspection

WARNING: This page is about a different car, the 2005 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
  1. FUSE AND FUSIBLE LINK INSPECTION 

    Check that the following fusible links or IPDM E/R fuses are not blown.

    IPDM E/R FUSES REFERENCE

    Terminal No. Signal name Fuse, fusible link No.
    1, 2, 22 Battery power a, c, d, e, l

    OK or NG

    • OK: GO TO 2.
    • NG: Replace fuse or fusible link.
  2. POWER CIRCUIT INSPECTION 
    1. Disconnect IPDM E/R harness connector E118.
    2. Check voltage between IPDM E/R harness connector E118 terminals 1 (B/Y), 2 (R) and ground.
      • Battery voltage should exist. 

    OK or NG

    • OK: GO TO 3.
    • NG: Repair or replace IPDM E/R power circuit harness.
    Fig 1: Checking Voltage Between IPDM E/R Harness Connector E118 Terminals 1 (B/Y), 2 (R) And Ground
    G02387308Courtesy of NISSAN MOTOR CO., U.S.A.
  3. GROUND CIRCUIT INSPECTION 
    1. Disconnect IPDM E/R harness connectors E122 and E124.
    2. Check continuity between IPDM E/R harness connector E122 terminal 38 (B), and E124 terminal 59 (B) and ground.
      • Continuity should exist. 

    OK or NG

    • OK: Inspection End.
    • NG: Repair or replace ground circuit harness of IPDM E/R.
    Fig 2: Checking Continuity Between IPDM E/R Harness Connector E122 Terminal 38 (B), And E124 Terminal 59 (B) And Ground
    G02387309Courtesy of NISSAN MOTOR CO., U.S.A.