NAVIGATION SYSTEM > Cellular Phone Voice Circuit between Multi-display and Navigation ECU

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DESCRIPTION

This circuit sends a cellular phone voice signal from the multi-display to the navigation ECU.

WIRING DIAGRAM


E111750E02


INSPECTION PROCEDURE

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


    E111825E05

  1. Disconnect the navigation ECU connector N4 and multi-display connector M4.

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

    Resistance:
    Tester connection
    		Condition
    		Specified condition
    VOI+ - VOI+
    		Always
    		Below 1 Ω
    IVO- - VOI-
    		Always
    		Below 1 Ω
    VOI+ - Body ground
    		Always
    		10 kΩ or higher
    IVO- - Body ground
    		Always
    		10 kΩ or higher



NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

RETURN TO THE ORIGINAL INSPECTION FLOW BECAUSE THE CHECK RESULT IS NORMAL