Reverse Signal Check (With M/T)

WARNING: This page is about a different car, the 2004 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.

REVERSE LAMP CHECK
1. Turn the ignition switch ON.
2. With the shift lever in R-position. Are reverse ramps turned on?
YES or NO
1. YES: GO TO 2.
2. NO: Check back up lamp system. Refer to BACK-UP LAMP .
REVERSE SIGNAL CHECK
1. With the shift lever in R-position.
2. Check voltage between NAVI control unit and ground.
  
  Fig 1: NAVI Control Unit And Ground Continuity Table
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 2: Checking Voltage Between NAVI Control Unit And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: Replace NAVI control unit.
2. NG: Harness for open or short between NAVI control unit and back-up lamp switch.