IPDM E/R Power/Ground Circuit Inspection

WARNING: This page is about a different car, the 2004 Nissan Maxima. 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

Terminal No.	Signal name	Fuse, fusible link No.
1,2,15	Battery power	a, b, d, e, l

OK or NG?

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

POWER CIRCUIT INSPECTION
1. Disconnect IPDM E/R harness connector El20.
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

OK: GO TO 3.

NG: Replace IPDM E/R power circuit harness.

Fig 1: Checking Voltage Between IPDM E/R Harness Connector E120 Terminals & 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) (A/T model only), E121 terminal 60 (B), E124 terminal 38 (B), E123 terminal 16 (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.