NAVIGATION SYSTEM > Reverse Signal Circuit

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DESCRIPTION

The navigation ECU receives a reverse signal from the BK/UP LP relay and information about the GPS antenna, and then adjusts vehicle position.

WIRING DIAGRAM


E111732E02


INSPECTION PROCEDURE

1.INSPECT NAVIGATION ECU


    E111733E06
  1. Disconnect the navigation ECU connector N4.

  1. Measure the voltage according to the value(s) in the table below.

    Voltage:
    Tester connection
    Condition
    Specified condition
    REV - Body ground
    Ignition switch is ON.
    Shift lever is moved to R position
    10 to 14 V
    REV - Body ground
    Ignition switch is ON.
    Shift lever is moved to any position except R.
    Below 1 V



OK
REPLACE NAVIGATION ECU
NG

REPAIR OR REPLACE HARNESS OR CONNECTOR