Toyota Venza: Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter

Toyota Venza 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.
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 E42 radio and display receiver assembly connector.

(b) Disconnect the E36 No. 1 stereo jack adapter assembly connector.

Standard Resistance:

Tester Connection	Condition	Specified Condition
E42-25 (ADPG) - E36-9 (AUXO)	Always	Below 1 Ω
E42-11 (AGND) - E36-10 (AGND)	Always	Below 1 Ω
E42-26 (VAR+) - E36-6 (ARO)	Always	Below 1 Ω
E42-28 (VAL+) - E36-7 (ALO)	Always	Below 1 Ω
E42-27 (VA-) - E36-8 (ASGN)	Always	Below 1 Ω
E42-25 (ADPG) - Body ground	Always	10 kΩ or higher
E42-11 (AGND) - Body ground	Always	10 kΩ or higher
E42-26 (VAR+) - Body ground	Always	10 kΩ or higher
E42-28 (VAL+) - Body ground	Always	10 kΩ or higher
E42-27 (VA-) - Body ground	Always	10 kΩ or higher

Text in Illustration

Front view of wire harness connector

(to Radio and Display Receiver Assembly)

Front view of wire harness connector

(to No. 1 Stereo Jack Adapter Assembly)

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

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 about Toyota Venza:

Front seats
► Power seat 1. Seat position fore/aft control switch 2. Seatback angle control switch 3. Seat cushion (front) angle control switch (driver’s side only) 4. Vertical height control switch (driver’s side only) 5. Lumbar support control switch & ...

Short in GPS Antenna (B15C0,B15C1)
DESCRIPTION These DTCs are stored when a malfunction occurs in the navigation antenna assembly. DTC No. DTC Detection Condition Trouble Area B15C0 Navigation antenna malfunction ...

Front Passenger Side Door Entry Lock Function does not Operate
DESCRIPTION If the front passenger door entry unlock function operates normally, but its entry lock function does not, this means that the request code from the front passenger door is being output normally. In this case, a malfunction in the lock sensor ...