2003 Nissan-Datsun Sentra SE-R, StandardFACTORY OEM SERVICE PROCEDURE

Reverse Signal Check

WARNING: This page is about a different car, the 2003 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.
  1. REVERSE LAMP CHECK 
    1. Turn ignition switch ON.
    2. A/T shift selector lever into R-position. Does "R" in the shift position indicator come on?

    YES or NO 

    YES >> GO TO 2.

    NO >> Check back-up lamp system. Refer to "BACK-UP LAMP ".

  2. REVERSE SIGNAL CHECK 

    With the selector lever in R-position, Check voltage between AV and NAVI control unit and ground.

    Fig 1: Testing AV & NAVI Control Unit Reverse Signal
    G02024311Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 2: Checking Voltage Between AV And NAVI Control Unit And Ground
G02024312Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG 

OK >> Replace AV and NAVI control unit.

NG >> Check harness for open or short between AV and NAVI control unit and back- up lamp relay.

Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.