IPDM E/R Power/Ground Circuit Inspection

WARNING: This page is about a different car, the 2007 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.

FUSE AND FUSIBLE LINK INSPECTION CHART

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

OK or NG

OK: GO TO 2.

NG: Replace fuse or fusible link.

POWER CIRCUIT INSPECTION
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R harness connector E120.
3. Check voltage between IPDM E/R harness connector E120 terminals 1, 2 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 E120 Terminals 1, 2 And 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(A) terminal 60, E124(B) terminal 38 and ground.
  Continuity should exist.
OK or NG

OK: Inspection End.

NG: Repair or replace IPDM E/R ground circuit harness.

Fig 2: Checking Continuity Between IPDM E/R Connector (A) E121 Terminal 60, (B) E124 Terminal 38 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.