Toyota CH-R Service Manual: Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter

Toyota CH-R Service Manual / Audio / Video / Audio And Visual System(for Radio And Display Type) / 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.

The sound signal that has been sent is amplified by the radio and display receiver assembly and then is sent to the speakers.

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

1.

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

(a) Disconnect the F129 radio and display receiver assembly connector.

(b) Disconnect the j1 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

F129-14 (ADPG) - j1-9 (AUXO)

Always

Below 1 Ω

F129-10 (AGND) - j1-10 (AGND)

Always

Below 1 Ω

F129-12 (VAR+) - j1-6 (ARO)

Always

Below 1 Ω

F129-11 (VAL+) - j1-7 (ALO)

Always

Below 1 Ω

F129-13 (VA-) - j1-8 (ASGN)

Always

Below 1 Ω

F129-14 (ADPG) - Body ground

Always

10 kΩ or higher

F129-10 (AGND) - Body ground

Always

10 kΩ or higher

F129-12 (VAR+) - Body ground

Always

10 kΩ or higher

F129-11 (VAL+) - Body ground

Always

10 kΩ or higher

F129-13 (VA-) - Body ground

Always

10 kΩ or higher

*a

Front view of wire harness connector

(to Radio and Display 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

    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 even if ther ...

    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:

    Toyota CH-R Service Manual > Smart Key System(for Start Function): Diagnostic Trouble Code Chart
    DIAGNOSTIC TROUBLE CODE CHART Smart Key System (for Start Function) DTC No. Detection Item Link B2271 Ignition Hold Monitor Malfunction B2274 ACC Monitor Malfunction ...

    Toyota CH-R Service Manual > Rear Suspension Member: Installation
    INSTALLATION PROCEDURE 1. INSTALL HOLE PLUG (a) Install the 7 hole plugs to the rear suspension member sub-assembly as shown in the illustration. 2. INSTALL REAR SUSPENSION MEMBER HOLE COVER (a) Install the 4 rear suspension member hole covers to the rear suspension member sub-assembly. 3. ...

    © 2017-2021 Copyright www.tochr.net
    0.0266