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 |
---|---|---|---|---|
K4-1 (FR+) - K3-1 (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 |
K4-2 (FL+) - K3-1 (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 |
K4-3 (RL+) - K3-1 (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 |
K4-4 (RR+) - K3-1 (GND1)*1 |
LA-R - BR | Sound signal (Rear right) |
Audio system playing |
A waveform synchronized with sound signals is output |
K4-6 (FR-) - K3-1 (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 |
K4-7 (FL-) - K3-1 (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 |
K4-8 (RL-) - K3-1 (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 |
K4-9 (RR-) - K3-1 (GND1)*1 |
LA-G - BR | Sound signal (Rear right) |
Audio system playing |
A waveform synchronized with sound signals is output |
K3-1 (GND1) - Body ground |
BR - Body ground | Ground |
Always | Below 1 V |
K3-4 (+B1) - K3-1 (GND1) |
LG - BR*5 R - BR*8 |
Power source (+B) | Always |
11 to 14 V |
K3-5 (TX1+)*2 | B |
AVC-LAN communication signal |
- | - |
K3-6 (TX1-)*2 | W |
AVC-LAN communication signal |
- | - |
K3-15 (ACC1) - K3-1 (GND1) |
GR - BR | Power source (ACC) |
Ignition switch off | Below 1 V |
Ignition switch ACC | 11 to 14 V | |||
K3-21 (SW1) - K3-24 (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 | |||
Up switch pushed | 0.27 to 0.35 V | |||
Down 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 | |||
K3-22 (SW2) - K3-24 (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 | |||
K3-24 (SWG) - K3-1 (GND1) |
L - BR | Steering pad switch ground |
Always | Below 1 V |
K3-25 (MUT1) - K3-1 (GND1)*2 |
BE - BR | Mute signal |
Audio system playing |
2.0 V or higher |
Audio system changing modes |
Below 1 V | |||
K3-27 (SPD) - K3-1 (GND1) |
LG - BR | Vehicle speed signal |
See "Check Vehicle Signal" in Operation Check Click here |
- |
K3-28 (REV) - K3-1 (GND1) |
W - BR | Reverse signal |
See "Check Vehicle Signal" in Operation Check Click here |
- |
K2-3 (TMUT) - K3-1 (GND1)*3 |
BE - BR | Mute signal |
Audio system playing |
Above 2.0 V |
Emergency call mode | Below 1 V | |||
K2-5 (CNH1)*5 | L |
Local bus communication signal |
- | - |
K2-6 (CNL1)*5 | W |
Local bus communication signal |
- | - |
K2-13 (CANH) | B |
CAN communication signal |
- | - |
K2-14 (CANL) | W |
CAN communication signal |
- | - |
K2-15 (ILL+) - K3-1 (GND1) |
G - BR | Illumination signal |
Light control switch off |
Below 1 V |
Light control switch in tail or head position |
11 to 14 V | |||
K2-16 (ILL-) - K3-1 (GND1) |
BE - BR | Illumination signal |
Light control switch off |
Below 1 V |
Light control switch in tail or head position |
Pulse generation | |||
K2-19 (IG) - K3-1 (GND1) |
W - BR | Power source (IG) |
Ignition switch off | Below 1 V |
Ignition switch ON | 11 to 14 V | |||
K2-20 (PKB) - K3-1 (GND1) |
LG - BR*6 B - BR*7 |
Parking brake signal |
See "Check Vehicle Signal" in Operation Check Click here |
- |
K2-21 (MIN+) - K3-1 (GND1) |
SB - BR*3 W - BR*4 |
Microphone voice signal |
See "Check Microphone" in Operation Check Click here |
- |
K2-22 (MIN-) - K3-1 (GND1) |
V - BR*3 R - BR *4 |
Microphone voice signal |
See "Check Microphone" in Operation Check Click here |
- |
K2-23 (MACC) - K3-1 (GND1)*4 |
B - BR | Microphone power supply |
Ignition switch off | Below 1 V |
Ignition switch ACC | 4 to 6 V | |||
K2-24 (SGND) - Body ground |
Shield - Body ground |
Shield ground | Always |
Below 1 V |
K2-25 (SNS2) - K3-1 (GND1) |
BE - BR | Microphone connection detection signal |
Always | Below 1 V |
K135-1 (USV1) | - |
Power source | - |
- |
K135-2 (US1-) |
- | Data signal |
- | - |
K135-3 (US1+) | - |
Data signal | - |
- |
K135-4 (UGD1) |
- | Ground |
- | - |
K135-5 (USG1) | - |
Shield ground | - |
- |
K136-1 (USB4+)*3 |
- | Data signal |
- | - |
K136-2 (USB4-)*3 | - |
Data signal | - |
- |
K136-3 (UGD4)*3 |
- | Ground |
- | - |
K1-10 (USBV) - K1-11 (USBG)*3 |
L - GR | DCM (telephone microphone assembly) power supply |
Ignition switch off | Below 1 V |
Ignition switch ACC | 4.75 to 5.25 V | |||
K1-11 (USBG) - Body ground*3 |
GR | Ground |
- | - |
RA-5 (ANT+) - K3-1 (GND1) |
- - BR | Power source of antenna |
Ignition switch ACC Radio switch on and FM or AM selected |
11 to 14 V |
STEREO COMPONENT AMPLIFIER ASSEMBLY (for 9 Speakers)
Terminal No. (Symbol) | Wiring Color |
Terminal Description | Condition |
Specified Condition |
---|---|---|---|---|
K14-1 (+B) - K14-3 (GND) |
L - W-B | Power source (+B) |
Always | 11 to 14 V |
K14-3 (GND) - Body ground |
W-B - Body ground | Ground |
Always | Below 1 V |
K14-8 (WF2+) - K14-3 (GND) |
W - W-B | Sound signal (Woofer) |
Audio system playing |
A waveform synchronized with sound signals is output |
K14-9 (RL+) - K14-3 (GND) |
B - W-B | Sound signal (Rear Left) |
Audio system playing |
A waveform synchronized with sound signals is output |
K14-10 (WF1+) - K14-3 (GND) |
BE - W-B | Sound signal (Woofer) |
Audio system playing |
A waveform synchronized with sound signals is output |
K14-11 (RR+) - K14-3 (GND) |
R - W-B | Sound signal (Rear Right) |
Audio system playing |
A waveform synchronized with sound signals is output |
K14-12 (TWL+) - K14-3 (GND) |
B - W-B | Sound signal (Front Left) |
Audio system playing |
A waveform synchronized with sound signals is output |
K14-13 (FL+) - K14-3 (GND) |
LG - W-B | Sound signal (Front Left) |
Audio system playing |
A waveform synchronized with sound signals is output |
K14-14 (TWR+) - K14-3 (GND) |
W - W-B*1 BE - W-B*2 |
Sound signal (Front Right) |
Audio system playing |
A waveform synchronized with sound signals is output |
K14-15 (FR+) - K14-3 (GND) |
BE - W-B | Sound signal (Front Right) |
Audio system playing |
A waveform synchronized with sound signals is output |
K14-16 (+B2) - K14-3 (GND) |
B - W-B | Power source (+B) |
Always | 11 to 14 V |
K14-18 (GND2) - Body ground |
W-B - Body ground | Ground |
Always | Below 1 V |
K14-23 (WF2-) - K14-3 (GND) |
R - W-B | Sound signal (Woofer) |
Audio system playing |
A waveform synchronized with sound signals is output |
K14-24 (RL-) - K14-3 (GND) |
LG - W-B | Sound signal (Rear Left) |
Audio system playing |
A waveform synchronized with sound signals is output |
K14-25 (WF1-) - K14-3 (GND) |
L - W-B | Sound signal (Woofer) |
Audio system playing |
A waveform synchronized with sound signals is output |
K14-26 (RR-) - K14-3 (GND) |
W - W-B | Sound signal (Rear Right) |
Audio system playing |
A waveform synchronized with sound signals is output |
K14-27 (TWL-) - K14-3 (GND) |
GR - W-B | Sound signal (Front Left) |
Audio system playing |
A waveform synchronized with sound signals is output |
K14-28 (FL-) - K14-3 (GND) |
W - W-B | Sound signal (Front Left) |
Audio system playing |
A waveform synchronized with sound signals is output |
K14-29 (TWR-) - K14-3 (GND) |
B - W-B*1 L - W-B*2 |
Sound signal (Front Right) |
Audio system playing |
A waveform synchronized with sound signals is output |
K14-30 (FR-) - K14-3 (GND) |
L - W-B | Sound signal (Front Right) |
Audio system playing |
A waveform synchronized with sound signals is output |
K10-1 (MUTE) - K14-3 (GND) |
BE - W-B |
Mute signal | Ignition switch ACC Audio system playing |
2.0 V or higher |
Audio system changing modes |
Below 1 V | |||
K10-2 (L-) - K14-3 (GND) |
G - W-B | Sound signal (Left) |
Audio system playing |
A waveform synchronized with sound signals is output |
K10-3 (L+) - K14-3 (GND) |
B - W-B | Sound signal (Left) |
Audio system playing |
A waveform synchronized with sound signals is output |
K10-4 (R-) - K14-3 (GND) |
R - W-B | Sound signal (Right) |
Audio system playing |
A waveform synchronized with sound signals is output |
K10-5 (R+) - K14-3 (GND) |
W - W-B | Sound signal (Right) |
Audio system playing |
A waveform synchronized with sound signals is output |
K10-6 (SLD) - Body ground |
Shield - Body ground |
Shield ground | Always |
Below 1 V |
K10-7 (TX-) | W |
AVC-LAN communication signal |
- | - |
K10-8 (TX+) | B |
AVC-LAN communication signal |
- | - |
K10-11 (SPD) - K14-3 (GND) |
G - W-B | Vehicle speed signal |
Ignition switch ON Wheel being rotated |
Pulse generation |
K10-12 (ACC) - K14-3 (GND) |
P - W-B | Power source (ACC) |
Ignition switch off | Below 1 V |
Ignition switch ACC | 11 to 14 V | |||
K10-14 (II1-) - K14-3 (GND) |
BR - W-B | Voice signal |
Voice guidance sounding |
A waveform synchronized with voice signals is output |
K10-15 (II1+) - K14-3 (GND) |
Y - W-B | Voice signal |
Voice guidance sounding |
A waveform synchronized with voice signals is output |
K10-18 (SLD1) - Body ground |
Shield - Body ground |
Shield ground | Always |
Below 1 V |
K10-24 (TMUT) - Body ground*1 |
R - Body ground |
Mute signal | Ignition switch 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
HEADUP DISPLAY (METER MIRROR SUB-ASSEMBLY) (w/ Headup Display System)
Click here
SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) (w/ ELECTRIC PARKING BRAKE SYSTEM)
Click here