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

Toyota Tacoma 2015-2018 Service Manual / Navigation / Multi Info Display / Navigation System / 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

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.

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

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

REPAIR OR REPLACE HARNESS OR CONNECTOR

Sound Signal Circuit between Radio Receiver and Stereo Component Amplifier

DESCRIPTION The navigation receiver assembly sends a sound signal to the stereo component amplifier assembly via this circuit. The sound signal that has been sent is amplified by the stereo compon ...

Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter

DESCRIPTION The No. 1 stereo jack adapter assembly sends the sound signal from an external device to the navigation receiver assembly via this circuit. If there is an open or short in the circuit, ...

Other materials:

Sound Quality is Bad Only when CD is Played (Volume is Too Low)
PROCEDURE 1. REPLACE CD AND RECHECK (a) Replace the CD with a known good one and recheck. (1) Check if the same malfunction occurs again. OK: Malfunction disappears. OK END NG REPLACE NAVIGATION RECEIVER ASSEMBLY ...

Removal
REMOVAL PROCEDURE 1. DRAIN AUTOMATIC TRANSMISSION FLUID (a) Remove the drain plug and gasket from the automatic transmission assembly and drain the ATF. (b) Install a new gasket and the drain plug to the automatic transmission assembl ...

Data List / Active Test
DATA LIST / ACTIVE TEST 1. READ DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or sig ...