Reverse Signal Circuit

NAVIGATION SYSTEM: Reverse Signal Circuit

Reverse Signal Circuit

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





INSPECTION PROCEDURE

PROCEDURE

1. INSPECT NAVIGATION ECU





(a) Disconnect the navigation ECU connector N3.
(b) Measure the voltage according to the value(s) in the table below.
Voltage:






OK -- REPLACE NAVIGATION ECU
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR