Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter

Toyota Tacoma 2015-2018 Service Manual / Audio / Video / Audio And Visual System / 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 radio and display receiver assembly via this circuit.

If there is an open or short in the circuit, sound cannot be heard from the speakers even if there is no malfunction in the radio and display receiver assembly, or speakers.

WIRING DIAGRAM

PROCEDURE

PROCEDURE

1.

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

(a) Disconnect the R31 radio and display 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

R31-25 (ADPG) - N3-8 (AUXO)

Always

Below 1 Ω

R31-26 (VAR+) - N3-5 (ARO)

Always

Below 1 Ω

R31-28 (VAL+) - N3-6 (ALO)

Always

Below 1 Ω

R31-27 (VA-) - N3-7 (ASGN)

Always

Below 1 Ω

R31-11 (AGND) - N3-9 (AGND)

Always

Below 1 Ω

R31-25 (ADPG) - Body ground

Always

10 kΩ or higher

R31-26 (VAR+) - Body ground

Always

10 kΩ or higher

R31-28 (VAL+) - Body ground

Always

10 kΩ or higher

R31-27 (VA-) - Body ground

Always

10 kΩ or higher

R31-11 (AGND) - 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

Speaker Circuit
DESCRIPTION If there is a short in a speaker circuit, the radio and display receiver assembly detects it and stops output to the speakers. Thus sound cannot be heard from the speakers ...

Data Signal Circuit between Radio Receiver 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 radio and display receiver assembly via this circuit. WIRING DIAGRAM ...

Other materials:

Open in Outer Mirror Indicator(Master) (C1AB4)
DESCRIPTION This DTC is stored when the blind spot monitor sensor LH detects an open in the blind spot monitor indicator LH. DTC Code DTC Detection Condition Trouble Area C1AB4 With the blind spot monitor main switch assembly (warning ...

Using the AUX port
To use the AUX port, connect a portable player, then select “AUX” on the “Select Audio Source” screen. Connecting a portable audio player ■Operating portable audio players connected to the multimedia system The volume can be adjusted using the vehicle’s audio controls. All other ...

Rear Speed Sensor RH Performance (C1411,C1412)
DESCRIPTION Refer to DTCs C1401 and C1402 (See page ). DTC Code DTC Detection Condition Trouble Area C1411 C1412 One of the following conditions is met: When the vehicle is driven in reverse at a speed of 3 km/h (2 ...

© 2011-2023 Copyright www.ttguide.net