Toyota 4Runner manuals

Toyota 4Runner: Data Signal Circuit between Navigation Receiver Assembly and Stereo Jack Adapter

Toyota 4Runner Service Manual / Audio / Visual / Telematics / Navigation / Multi Info Display / Navigation System / Data Signal Circuit between Navigation Receiver Assembly and Stereo Jack Adapter

DESCRIPTION

The No. 1 stereo jack adapter assembly sends the sound data signal or image data signal from a USB device to the navigation receiver assembly via this circuit.

WIRING DIAGRAM


PROCEDURE

1.

CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - NO. 1 STEREO JACK ADAPTER ASSEMBLY)

(a) Disconnect the G40 navigation receiver assembly connector.


(b) Disconnect the G53 No. 1 stereo jack adapter assembly connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

G40-2 (US1-) - G53-2 (UDO-)

Always

Below 1 Ω

G40-3 (US1+) - G53-3 (UDO+)

Always

Below 1 Ω

G40-5 (USG1) - G53-5 (UJSS)

Always

Below 1 Ω

G40-2 (US1-) - Body ground

Always

10 kΩ or higher

G40-3 (US1+) - Body ground

Always

10 kΩ or higher

G40-5 (USG1) - Body ground

Always

10 kΩ or higher

Text in Illustration

*a

Front view of wire harness connector

(to Navigation Receiver Assembly)

*b

Front view of wire harness connector

(to No. 1 Stereo Jack Adapter Assembly)


OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

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