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Inspection Procedure

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

Disconnect the navigation ECU connector and multi-display connector.
Measure the resistance according to the value(s) in the table below.

Standard resistance

RESISTANCE SPECIFICATION

Tester connection	Condition	Specified condition
GVIF - GVIF	Always	Below 1 Ω
GVIF- - GVI-	Always	Below 1 Ω
GVG - GND2	Always	Below 1 Ω
GVI+ - Body ground	Always	10 kΩ or higher
GVI- - Body ground	Always	10 kΩ or higher

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

Fig 1: Disconnecting Navigation ECU Connector And Multi-Display Connector

G05280949

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE