1. Check Power Supply Circuit For Steering Lock Control Unit

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 steering lock control unit connector.
Check voltage between steering lock control unit connector M69 terminal 1 (Y/G) and ground.
1. 1 (Y/G) - Ground : Battery voltage .

OK or NG

OK : GO TO 2.
NG : Check the following.
- 10A fuse [No. 6, located in the fuse block (J/B)]
- Harness for open or short between fuse block and steering lock control unit

Fig 1: Checking Power Supply Circuit For Steering Lock Control Unit

Courtesy of NISSAN MOTOR CO., U.S.A.