ECM/IPDM E/R Internal Circuit Inspection

WARNING: This page is about a different car, the 2003 Nissan Altima. However, it is still accessible from the selected car via links, so may be relevant.

Remove ECM and IPDM E/R from vehicle. Refer to "REMOVAL AND INSTALLATION OF IPDM E/R ".
Check resistance between ECM terminals 33 and 34 (QR25DE models).
Check resistance between ECM terminals 109 and 113 (VQ35DE models).
Check resistance between IPDM E/R terminals 48 and 49.

Fig 1: Terminal And Resistance Value
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 2: Checking Resistance Between ECM And IPDM E/R Terminals
Courtesy of NISSAN MOTOR CO., U.S.A.