Reverse Signal Circuit

NAVIGATION: NAVIGATION SYSTEM (for DVD): Reverse Signal Circuit
- Reverse Signal Circuit

DESCRIPTION

The display and navigation module display receives a reverse signal from the main body ECU LH (cowl side junction block LH) and information about the navigation antenna assembly, and then adjusts the vehicle position on the navigation display.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. INSPECT DISPLAY AND NAVIGATION MODULE DISPLAY

(a) Disconnect the K46 display and navigation module display connector.





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

Standard Voltage:





Text in Illustration





NG -- CHECK HARNESS AND CONNECTOR (DISPLAY AND NAVIGATION MODULE DISPLAY - MAIN BODY ECU LH)

OK -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Problem Symptoms Table

2. CHECK HARNESS AND CONNECTOR (DISPLAY AND NAVIGATION MODULE DISPLAY - MAIN BODY ECU LH)

(a) Disconnect the K46 display and navigation module display connector.

(b) Disconnect the V2 main body ECU LH (cowl side junction block LH) connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE MAIN BODY ECU LH (COWL SIDE JUNCTION BLOCK LH)