5. Check PNP Switch Input Signal Circuit For Open And Short-I

WARNING: This page is about a different car, the 2004 Infiniti Q45. However, it is still accessible from the selected car via links, so may be relevant.

Turn ignition switch OFF.
Disconnect TCM harness connector.
Disconnect fuse block (J/B) No. 1 harness connector.
Check harness continuity between TCM terminal 48 and fuse block (J/B) No. 1 terminal 17D.
Refer to Wiring Diagram.
1. Continuity should exist.
Fig 1: Locating ECM & TCM
Courtesy of NISSAN MOTOR CO., U.S.A.
Also check harness for short to ground and short to power.

OK or NG

OK: GO TO 7.

NG: GO TO 6.