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Reverse Signal Check for NAVI Control Unit

WARNING: This page is about a different car, the 2004 Nissan Murano. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK REVERSE LAMP 
    1. Turn ignition switch ON.
    2. Selector lever into R-position. Does "R" in the shift position indicator come on?

    YES or NO

    1. YES: GO TO 2.
    2. NO: Check back-up lamp system. Refer to "BACK-UP LAMP ".
  2. CHECK REVERSE SIGNAL 

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

    VOLTAGE CHECK CHART

    Terminals Selector lever position
    (+) (-)
    Connector Terminal (Wire color) R-position Other than Imposition
    M63 27 (G/W) Ground Battery voltage Approx. 0V
    Fig 1: Checking Voltage Between NAVI Control Unit And Ground
    G03492571Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK: Replace NAVI control unit.
    2. NG: Check harness for open or short between NAVI control unit and back-up lamp position relay.