IPDM E/R Power/Ground Circuit Inspection

WARNING: This page is about a different car, the 2004 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

FUSE AND FUSIBLE LINK INSPECTION

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

TERMINAL NO

Terminal No.	Signal name	Fuse, fusible link No.
1,2,15	Battery power	c, d, h

OK or NG?

OK: GO TO 2.
NG: Replace fuse or fusible link.

POWER CIRCUIT INSPECTION
1. Disconnect IPDM E/R harness connector E120.
2. Check voltage between IPDM E/R harness connector E120 terminals 1 (R), 2 (B/Y) and ground.
1. Battery voltage should exist
OK or NG
1. OK: GO TO 3.
2. NG: Replace IPDM E/R power circuit harness.
  
  Fig 1: Checking Voltage Between IPDM E/R Harness Connector E120 Terminals 1, 2 & Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
GROUND CIRCUIT INSPECTION
1. Disconnect IPDM E/R harness connectors E121 and E124.
2. Check continuity between IPDM E/R harness connector E121 terminal 50 (B), E121 terminal 60 (B), E124 terminal 38 (B) and ground.
1. Continuity should exist
OK or NG
1. OK: INSPECTION END.
2. NG: Replace ground circuit harness of IPDM E/R.
  
  Fig 2: Checking Continuity Between IPDM E/R Harness Connector E121 Terminals & Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.