TERMINALS OF ECU
HINT:
Check from the rear of the connector while it is connected to the components.
RADIO AND DISPLAY RECEIVER ASSEMBLY
Terminal No. (Symbol) | Wiring Color |
Terminal Description | Condition |
Specified Condition |
---|---|---|---|---|
G14-1 (FR+) - G3-1 (GND1) |
LA-LG - BR*1 W - BR*2 |
Sound signal (Front right)*1 Sound signal (Right)*2 |
Audio system playing |
A waveform synchronized with sound signals is output |
G14-2 (FL+) - G3-1 (GND1) |
LA-B - BR*1 B - BR*2 |
Sound signal (Front left)*1 Sound signal (Left)*2 |
Audio system playing |
A waveform synchronized with sound signals is output |
G14-3 (RL+) - G3-1 (GND1) |
LA-G - BR*1 Y - BR*2 |
Sound signal (Rear left)*1 Voice signal*2 |
Audio system playing*1 Voice guidance sounding*2 |
A waveform synchronized with sound signals is output*1 A waveform synchronized with voice signals is output*2 |
G14-4 (RR+) - G3-1 (GND1)*1 |
LA-R - BR | Sound signal (Rear right) |
Audio system playing |
A waveform synchronized with sound signals is output |
G14-6 (FR-) - G3-1 (GND1) |
LA-L - BR*1 R - BR*2 |
Sound signal (Front right)*1 Sound signal (Right)*2 |
Audio system playing |
A waveform synchronized with sound signals is output |
G14-7 (FL-) - G3-1 (GND1) |
LA-R - BR*1 G - BR*2 |
Sound signal (Front left)*1 Sound signal (Left)*2 |
Audio system playing |
A waveform synchronized with sound signals is output |
G14-8 (RL-) - G3-1 (GND1) |
LA-GR - BR*1 BR - BR*2 |
Sound signal (Rear left)*1 Voice signal*2 |
Audio system playing |
A waveform synchronized with sound signals is output |
G14-9 (RR-) - G3-1 (GND1)*1 |
LA-G - BR | Sound signal (Rear right) |
Audio system playing |
A waveform synchronized with sound signals is output |
G3-1 (GND1) - Body ground |
BR - Body ground | Ground |
Always | Below 1 V |
G3-4 (+B1) - G3-1 (GND1) |
R - BR | Power source (+B) |
Always | 11 to 14 V |
G3-5 (TX1+)*2 | B |
AVC-LAN communication signal |
- | - |
G3-6 (TX1-)*2 | W |
AVC-LAN communication signal |
- | - |
G3-10 (AGND) - Body ground |
Shield - Body ground |
Shield ground | Always |
Below 1 V |
G3-11 (VAL+) - G3-13 (VA-) |
B - R | Sound signal (Left) |
External device playing (When stereo jack used) |
A waveform synchronized with sound signals is output |
G3-12 (VAR+) - G3-13 (VA-) |
W - R | Sound signal (Right) |
External device playing (When stereo jack used) |
A waveform synchronized with sound signals is output |
G3-13 (VA-) - G3-1 (GND1) |
R - BR | Ground |
Always | Below 1 V |
G3-14 (ADPG) - G3-1 (GND1) |
L - BR | External device connection detection signal |
External device connected |
Below 1 V |
External device not connected |
2.1 to 3 V | |||
G3-15 (ACC1) - G3-1 (GND1) |
GR - BR | Power source (ACC) |
Engine switch off | Below 1 V |
Engine switch on (ACC) |
11 to 14 V | |||
G3-21 (SW1) - G3-24 (SWG) |
W - L | Steering pad switch signal |
No switch pushed | 2.97 to 3.56 V |
Seek+ switch pushed | 0.27 to 0.35 V | |||
Seek- switch pushed | 0.86 to 1.03 V | |||
Volume+ switch pushed |
1.51 to 1.79 V | |||
Volume- switch pushed |
2.22 to 2.66 V | |||
G3-22 (SW2) - G3-24 (SWG) |
LG - L | Steering pad switch signal |
No switch pushed | 2.97 to 3.56 V |
MODE switch pushed | 0.27 to 0.35 V | |||
On/off hook switch pushed |
1.51 to 1.79 V | |||
Voice switch pushed | 2.22 to 2.66 V | |||
G3-24 (SWG) - G3-1 (GND1) |
L - BR | Steering pad switch ground |
Always | Below 1 V |
G3-25 (MUT1) - G3-1 (GND1)*2 |
BE - BR | Mute signal |
Audio system playing |
2.0 V or higher |
Audio system changing modes |
Below 1 V | |||
G3-27 (SPD) - G3-1 (GND1) |
LG - BR | Vehicle speed signal |
See "Check Vehicle Signal" in Operation Check Click here
|
- |
G3-28 (REV) - G3-1 (GND1) |
W - BR | Reverse signal |
See "Check Vehicle Signal" in Operation Check Click here
|
- |
G2-3 (TMUT) - G3-1 (GND1)*1*3 |
BE - BR | Mute signal |
Audio system playing |
Above 2.0 V |
Emergency call mode | Below 1 V | |||
G2-5 (CNH1) | L |
Local bus communication signal |
- | - |
G2-6 (CNL1) | W |
Local bus communication signal |
- | - |
G2-13 (CANH) | B |
CAN communication signal |
- | - |
G2-14 (CANL) | W |
CAN communication signal |
- | - |
G2-15 (ILL+) - G3-1 (GND1) |
G - BR | Illumination signal |
Light control switch off |
Below 1 V |
Light control switch in tail or head position |
11 to 14 V | |||
G2-16 (ILL-) - G3-1 (GND1) |
BE - BR | Illumination signal |
Light control switch off |
Below 1 V |
Light control switch in tail or head position |
Pulse generation | |||
G2-19 (IG) - G3-1 (GND1) |
W - BR | Power source (IG) |
Engine switch off | Below 1 V |
Engine switch on (IG) |
11 to 14 V | |||
G2-20 (PKB) - G3-1 (GND1) |
B - BR | Parking brake signal |
See "Check Vehicle Signal" in Operation Check Click here
|
- |
G2-21 (MIN+) - G3-1 (GND1) |
SB - BR*3 W - BR*4 |
Microphone voice signal |
See "Check Microphone" in Operation Check Click here
|
- |
G2-22 (MIN-) - G3-1 (GND1) |
V - BR*3 R - BR *4 |
Microphone voice signal |
See "Check Microphone" in Operation Check Click here
|
- |
G2-23 (MACC) - G3-1 (GND1)*4 |
B - BR | Microphone power supply |
Engine switch off | Below 1 V |
Engine switch on (ACC) |
4 to 6 V | |||
G2-24 (SGND) - Body ground |
Shield - Body ground |
Shield ground | Always |
Below 1 V |
G2-25 (SNS2) - G3-1 (GND1) |
BE - BR | Microphone connection detection signal |
Always | Below 1 V |
G106-1 (USV1) | - |
Power source | - |
- |
G106-2 (US1-) |
- | Data signal |
- | - |
G106-3 (US1+) | - |
Data signal | - |
- |
G106-4 (UGD1) |
- | Ground |
- | - |
G106-5 (USG1) | - |
Shield ground | - |
- |
G108-1 (USB+)*3 |
- | Data signal |
- | - |
G108-2 (USB-)*3 | - |
Data signal | - |
- |
G108-3 (USBS)*3 |
- | Ground |
- | - |
G1-10 (USBV) - G1-11 (USBG)*3 |
L - GR | DCM (telephone microphone assembly) power supply |
Engine switch off | Below 1 V |
Engine switch on (ACC) |
4.75 to 5.25 V | |||
G1-11 (USBG) - Body ground*3 |
GR | Ground |
- | - |
RA-5 (ANT+) - G3-1 (GND1) |
- - BR | Power source of antenna |
Engine switch on (ACC) Radio switch on and FM or AM selected |
11 to 14 V |
STEREO COMPONENT AMPLIFIER ASSEMBLY (for 14 Speakers)
Terminal No. (Symbol) | Wiring Color |
Terminal Description | Condition |
Specified Condition |
---|---|---|---|---|
G10-1 (+B) - G10-3 (GND) |
L - W-B | Power source (+B) |
Always | 11 to 14 V |
G10-3 (GND) - Body ground |
W-B - Body ground | Ground |
Always | Below 1 V |
G10-5 (WF2+) - G10-3 (GND) |
W - W-B | Sound signal (Woofer) |
Audio system playing |
A waveform synchronized with sound signals is output |
G10-6 (WF1+) - G10-3 (GND) |
BE - W-B | Sound signal (Woofer) |
Audio system playing |
A waveform synchronized with sound signals is output |
G10-7 (CTR+) - G10-3 (GND) |
SB - W-B | Sound signal (Center) |
Audio system playing |
A waveform synchronized with sound signals is output |
G10-8 (TWL+) - G10-3 (GND) |
B - W-B | Sound signal (Front Left) |
Audio system playing |
A waveform synchronized with sound signals is output |
G10-9 (TWR+) - G10-3 (GND) |
BE - W-B | Sound signal (Front Right) |
Audio system playing |
A waveform synchronized with sound signals is output |
G10-10 (SL+) - G10-3 (GND) |
SB - W-B | Sound signal (Rear Left) |
Audio system playing |
A waveform synchronized with sound signals is output |
G10-11 (SR+) - G10-3 (GND) |
B - W-B | Sound signal (Rear Right) |
Audio system playing |
A waveform synchronized with sound signals is output |
G10-12 (FL+) - G10-3 (GND) |
LG - W-B | Sound signal (Front Left) |
Audio system playing |
A waveform synchronized with sound signals is output |
G10-13 (FR+) - G10-3 (GND) |
W - W-B | Sound signal (Front Right) |
Audio system playing |
A waveform synchronized with sound signals is output |
G10-14 (RL+) - G10-3 (GND) |
B - W-B | Sound signal (Rear Left) |
Audio system playing |
A waveform synchronized with sound signals is output |
G10-15 (RR+) - G10-3 (GND) |
R - W-B | Sound signal (Rear Right) |
Audio system playing |
A waveform synchronized with sound signals is output |
G10-16 (+B2) - G10-3 (GND) |
B - W-B | Power source (+B) |
Always | 11 to 14 V |
G10-18 (GND2) - Body ground |
W-B - Body ground | Ground |
Always | Below 1 V |
G10-20 (WF2-) - G10-3 (GND) |
R - W-B | Sound signal (Woofer) |
Audio system playing |
A waveform synchronized with sound signals is output |
G10-21 (WF1-) - G10-3 (GND) |
L - W-B | Sound signal (Woofer) |
Audio system playing |
A waveform synchronized with sound signals is output |
G10-22 (CTR-) - G10-3 (GND) |
W - W-B | Sound signal (Center) |
Audio system playing |
A waveform synchronized with sound signals is output |
G10-23 (TWL-) - G10-3 (GND) |
GR - W-B | Sound signal (Front Left) |
Audio system playing |
A waveform synchronized with sound signals is output |
G10-24 (TWR-) - G10-3 (GND) |
L - W-B | Sound signal (Front Right) |
Audio system playing |
A waveform synchronized with sound signals is output |
G10-25 (SL-) - G10-3 (GND) |
P - W-B | Sound signal (Rear Left) |
Audio system playing |
A waveform synchronized with sound signals is output |
G10-26 (SR-) - G10-3 (GND) |
Y - W-B | Sound signal (Rear Right) |
Audio system playing |
A waveform synchronized with sound signals is output |
G10-27 (FL-) - G10-3 (GND) |
W - W-B | Sound signal (Front Left) |
Audio system playing |
A waveform synchronized with sound signals is output |
G10-28 (FR-) - G10-3 (GND) |
B - W-B | Sound signal (Front Right) |
Audio system playing |
A waveform synchronized with sound signals is output |
G10-29 (RL-) - G10-3 (GND) |
LG - W-B | Sound signal (Rear Left) |
Audio system playing |
A waveform synchronized with sound signals is output |
G10-30 (RR-) - G10-3 (GND) |
W - W-B | Sound signal (Rear Right) |
Audio system playing |
A waveform synchronized with sound signals is output |
G8-1 (MUTE) - G10-3 (GND) |
BE - W-B |
Mute signal | Engine switch on (ACC) Audio system playing |
2.0 V or higher |
Audio system changing modes |
Below 1 V | |||
G8-2 (L-) - G10-3 (GND) |
G - W-B | Sound signal (Left) |
Audio system playing |
A waveform synchronized with sound signals is output |
G8-3 (L+) - G10-3 (GND) |
B - W-B | Sound signal (Left) |
Audio system playing |
A waveform synchronized with sound signals is output |
G8-4 (R-) - G10-3 (GND) |
R - W-B | Sound signal (Right) |
Audio system playing |
A waveform synchronized with sound signals is output |
G8-5 (R+) - G10-3 (GND) |
W - W-B | Sound signal (Right) |
Audio system playing |
A waveform synchronized with sound signals is output |
G8-6 (SLD) - Body ground |
Shield - Body ground |
Shield ground | Always |
Below 1 V |
G8-7 (TX-) | W |
AVC-LAN communication signal |
- | - |
G8-8 (TX+) | B |
AVC-LAN communication signal |
- | - |
G8-11 (SPD) - G10-3 (GND) |
G - W-B | Vehicle speed signal |
Engine switch on (IG) Wheel being rotated |
Pulse generation |
G8-12 (ACC) - G10-3 (GND) |
P - W-B | Power source (ACC) |
Engine switch off | Below 1 V |
Engine switch on (ACC) |
11 to 14 V | |||
G8-14 (II1-) - G10-3 (GND) |
BR - W-B | Voice signal |
Voice guidance sounding |
A waveform synchronized with voice signals is output |
G8-15 (II1+) - G10-3 (GND) |
Y - W-B | Voice signal |
Voice guidance sounding |
A waveform synchronized with voice signals is output |
G8-18 (SLD1) - Body ground |
Shield - Body ground |
Shield ground | Always |
Below 1 V |
G8-24 (TMUT) - Body ground |
BE - Body ground |
Mute signal | Engine switch on (ACC) Audio system playing |
2.0 V or higher |
Emergency call mode | Below 1 V |
DCM (TELEMATICS TRANSCEIVER) (w/ Manual (SOS) Switch)
Click here
COMBINATION METER ASSEMBLY
Click here
SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)
Click here
Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Navigation System(for Gasoline Model): Noise Occurs or Sound Skips when Portable Player Plays. Noise Occurs. Operation Check
Noise Occurs or Sound Skips when Portable Player Plays CAUTION / NOTICE / HINT HINT: Perform this check with the portable player volume set at an appropriate level. Make sure that there are no obstructions between the portable player and the radio and display receiver assembly that may block signals ...