AUDIO AND VISUAL SYSTEM(except Sedan Radio and Display Type) TERMINALS OF ECU
RADIO AND DISPLAY RECEIVER ASSEMBLY
Terminal No. (Symbol)
Wiring Color
Terminal Description
Condition
Specified Condition
E1-1 (FR+) - E1-7 (GND1)
LG - BR
Sound signal (Front Right)
Audio system playing
A waveform synchronized with sound signals is output
E1-2 (FL+) - E1-7 (GND1)
P - BR
Sound signal (Front Left)
Audio system playing
A waveform synchronized with sound signals is output
E1-3 (ACC1) - E1-7 (GND1)
GR - BR
Power source (ACC)
Ignition switch off
Below 1 V
Ignition switch ACC
11 to 14 V*1
9.5 to 14 V*2
E1-4 (+B1) - E1-7 (GND1)
SB - BR
Power source (+B)
Always
11 to 14 V*1
9.5 to 14 V*2
E1-5 (FR-) - E1-7 (GND1)
L - BR
Sound signal (Front Right)
Audio system playing
A waveform synchronized with sound signals is output
E1-6 (FL-) - E1-7 (GND1)
V - BR
Sound signal (Front Left)
Audio system playing
A waveform synchronized with sound signals is output
E1-7 (GND1) - Body ground
BR - Body ground
Ground
Always
Below 1 V
E1-10 (ILL+) - E1-7 (GND1)
G - BR
Illumination signal
Light control switch off
Below 1 V
Light control switch in tail or head position
11 to 14 V
E2-1 (RR+) - E1-7 (GND1)
R - BR
Sound signal (Rear right)
Audio system playing
A waveform synchronized with sound signals is output
E2-2 (RL+) - E1-7 (GND1)
B - BR
Sound signal (Rear Left)
Audio system playing
A waveform synchronized with sound signals is output
E2-3 (RR-) - E1-7 (GND1)
W - BR
Sound signal (Rear right)
Audio system playing
A waveform synchronized with sound signals is output
E2-6 (RL-) - E1-7 (GND1)
Y - BR
Sound signal (Rear Left)
Audio system playing
A waveform synchronized with sound signals is output
E60-1 (IG) - E1-7 (GND1)
L - BR
Power source (IG)
Ignition switch off
Below 1 V
Ignition switch ON
11 to 14 V
E60-2 (REV) - E1-7 (GND1)
R - BR
Reverse signal
See "Check Vehicle Signal" in Operation Check
-
E60-4 (MACC) - E1-7 (GND1)
R - BR
Microphone power supply
Ignition switch off
Below 1 V
Ignition switch ACC
4.25 to 5.25 V
E60-5 (MIN+) - E1-7 (GND1)
B - BR
Microphone voice signal
See "Check Microphone" in Operation Check
-
E60-6 (SNS2) - E1-7 (GND1)
G - BR
Microphone connection detection signal
Always
Below 1 V
E60-9 (CANH)
G
CAN communication signal
-
-
E60-10 (CANL)
W
CAN communication signal
-
-
E60-11 (AGND) - Body ground
Shield - Body ground
Shield ground
Always
Below 1 V
E60-15 (PKB) - E1-7 (GND1)
B - BR
Parking brake signal
See "Check Vehicle Signal" in Operation Check
-
E60-17 (SPD) - E1-7 (GND1)
V - BR
Vehicle speed signal
See "Check Vehicle Signal" in Operation Check
-
E60-18 (SGND) - Body ground
Shield - Body ground
Shield ground
Always
Below 1 V
E60-19 (MIN-) - E1-7 (GND1)
W - BR
Microphone voice signal
See "Check Microphone" in Operation Check
-
E60-21 (SW1) - E60-23 (SWG)
SB - W-B
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
E60-22 (SW2) - E60-23 (SWG)
R - W-B
Steering pad switch signal
No switch pushed
2.97 to 3.56 V
MODE switch pushed
0.27 to 0.35 V
On hook switch pushed
0.86 to 1.03 V
Off hook switch pushed
1.51 to 1.79 V
Voice switch pushed
2.22 to 2.66 V
E60-23 (SWG) - E1-7 (GND1)
W-B - BR
Steering pad switch ground
Always
Below 1 V
E60-25 (ADPG) - E1-7 (GND1)
SB - BR
External device connection detection signal
External device connected
Below 1 V
External device not connected
2.1 to 3 V
E60-26 (VAR+) - E60-27 (VA-)
G - R
Sound signal (Right)
External device playing (When stereo jack used)
A waveform synchronized with sound signals is output
E60-27 (VA-) - E1-7 (GND1)
R - BR
Ground
Always
Below 1 V
E60-28 (VAL+) - E60-27 (VA-)
B - R
Sound signal (Left)
External device playing (When stereo jack used)
A waveform synchronized with sound signals is output
E125-3 (CNH1)
G
Local bus communication signal
-
-
E125-4 (CNL1)
GR
Local bus communication signal
-
-
E125-11 (CA+) - E1-7 (GND1)
R - BR
Television camera power supply
Ignition switch ACC
5.5 to 7.05 V
E125-12 (V+) - E1-7 (GND1)
B - BR
Video signal
Ignition switch ON
Shift lever in R
Camera lens not covered, displaying an image
Pulse generation
(Refer to waveform 1)
Ignition switch ON
Shift lever in R
Camera lens covered, blacking out screen
Pulse generation
(Refer to waveform 2)
E125-23 (CGND) - Body ground
Shield - Body ground
Shield ground
Always
Below 1 V
E125-24 (V-) - E1-7 (GND1)
W - BR
Ground
Always
Below 1 V
u2-1 (USV1)
-
Power source
-
-
u2-2 (US1-)
-
Data signal
-
-
u2-3 (US1+)
-
Data signal
-
-
u2-4 (UGD1)
-
Ground
-
-
u2-5 (USG1)
-
Shield ground
-
-
RA-5 (ANT+) - E1-7 (GND1)
- - BR
Power source of antenna
Ignition switch ACC
Radio switch on and FM or AM selected
8 V or higher
*1: w/o Stop and Start System
*2: w/ Stop and Start System
Reference (Oscilloscope waveform):
-
*a
Waveform 1 (camera lens not covered, displaying an image)
*b
Synchronization Signal
*c
Video Waveform
Waveform 1 (camera lens not covered, displaying an image)
Item
Content
Measurement terminal
E125-12 (V+) - E1-7 (GND1)
Measurement setting
200 mV/DIV., 50 μs/DIV.
Condition
Ignition switch ON, shift lever in R
Tip:The video waveform changes according to the image sent by the television camera assembly.
-
*a
Waveform 2 (camera lens covered, blacking out the screen)
*b
Synchronization Signal
*c
Video Waveform
Waveform 2 (camera lens covered, blacking out the screen)
Item
Content
Measurement terminal
E125-12 (V+) - E1-7 (GND1)
Measurement setting
200 mV/DIV., 50 μs/DIV.
Condition
Ignition switch ON, shift lever in R
Tip:The video waveform changes according to the image sent by the rear television camera assembly.
-
Check from the rear of the connector while it is connected to the components.