Navigation Voice Circuit

NAVIGATION SYSTEM: Navigation Voice Circuit

Navigation Voice Circuit

DESCRIPTION

This circuit is used when the voice guidance in the navigation system is on.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY - NAVIGATION ECU)





(a) Disconnect the multi-display connector M4 and the navigation ECU connector N3.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
2. CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY - STEREO COMPONENT AMPLIFIER)





(a) Disconnect the multi-display connector M4 and stereo component amplifier connector S27 or S29.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:





*1: with Front Center Speaker
*2: without Front Center Speaker
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE