Ignition Signal Check for NAVI Control Unit

1. Disconnect NAVI control unit connector.
2. Turn ignition switch ON.
3. Check voltage between NAVI control unit harness connector B41 terminal 26 and ground.

   Battery voltage should exist. 

Fig 1: Checking Voltage Between NAVI Control Unit Harness Connector B41 Terminal 26 And Ground

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

OK or NG 

OK: Replace NAVI control unit. Refer to NAVI CONTROL UNIT  .

NG: Check harness for open or short between NAVI control unit and fuse.