Microphone Circuit Between Multi-Display and Navigation ECU

NAVIGATION: NAVIGATION SYSTEM: Microphone Circuit between Multi-display and Navigation ECU

Microphone Circuit between Multi-display and Navigation ECU

DESCRIPTION

This circuit sends a microphone signal from the multi-display to the navigation ECU.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

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





(a) Disconnect the multi-display connector and navigation ECU connector.





(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE