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Toyota Tacoma (2015-2018) Service Manual / Navigation / Multi Info Display / Navigation System / Data Signal Circuit between Stereo Jack Adapter and Extension Module

Toyota Tacoma (2015-2018) Service Manual: Data Signal Circuit between Stereo Jack Adapter and Extension Module

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

PROCEDURE

1.

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

(a) Disconnect the N22 navigation receiver assembly connector.

(b) Disconnect the N3 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

N3-2 (UDO-) - N22-2 (UDO-)

Always

Below 1 Ω

N3-3 (UDO+) - N22-3 (UDO+)

Always

Below 1 Ω

N3-2 (UDO-) - Body ground

Always

10 kΩ or higher

N3-3 (UDO+) - Body ground

Always

10 kΩ or higher
OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR
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