AUDIO AND VISUAL SYSTEM(for Radio and Display Type) TERMINALS OF ECU
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
E31-1 (FR+) - E31-7 (GND1)
LG - BR
Sound signal (Front right)
Audio system playing
A waveform synchronized with sound signals is output
E31-2 (FL+) - E31-7 (GND1)
P - BR
Sound signal (Front left)
Audio system playing
A waveform synchronized with sound signals is output
E31-3 (ACC1) - E31-7 (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
E31-4 (+B1) - E31-7 (GND1)
SB - BR
Power source (+B)
Always
11 to 14 V*1
9.5 to 14 V*2
E31-5 (FR-) - E31-7 (GND1)
L - BR
Sound signal (Front right)
Audio system playing
A waveform synchronized with sound signals is output
E31-6 (FL-) - E31-7 (GND1)
V - BR
Sound signal (Front left)
Audio system playing
A waveform synchronized with sound signals is output
E31-7 (GND1) - Body ground
BR - Body ground
Ground
Always
Below 1 V
E31-10 (ILL+) - E31-7 (GND1)
G - BR
Illumination signal
Light control switch off
Below 1 V
Light control switch in tail or head position
11 to 14 V
E32-1 (IG) - E31-7 (GND1)
B - BR
Power source (IG)
Ignition switch off
Below 1 V
Ignition switch ON
11 to 14 V
E32-2 (REV) - E31-7 (GND1)
R - BR
Reverse signal
See "Check Vehicle Signal" in Operation Check
-
E32-4 (MIN+) - E31-7 (GND1)
R - BR
Microphone voice signal
See "Check Microphone" in Operation Check
-
E32-6 (CANH)
G
CAN communication signal
-
-
E32-7 (CANL)
W
CAN communication signal
-
-
E32-9 (SG) - E31-7 (GND1)
Shield - BR
External device connection detection signal
External device connected
Below 1 V
E32-10 (VV+) - E31-7 (GND1)
P - BR
Video signal
External device playing
(when stereo jack used)
A waveform synchronized with video signals is output
E32-11 (VV-) - E31-7 (GND1)
L - BR
Video signal ground
Always
Below 1 V
E32-12 (AGND) - Body ground
Shield - Body ground
Shield ground
Always
Below 1 V
E32-15 (PKB) - E31-7 (GND1)
R - BR
Parking brake signal
See "Check Vehicle Signal" in Operation Check
-
E32-16 (SPD) - E31-7 (GND1)
V - BR
Vehicle speed signal
See "Check Vehicle Signal" in Operation Check
-
E32-18 (MIN-) - E31-7 (GND1)
G - BR
Microphone voice signal
Always
Below 1 V
E32-19 (SW1) - E32-21 (SWG)*3
L - B
Steering pad switch signal
No switch pushed
2.5 to 3.0 V
Seek+ switch pushed
0 to 0.3 V
Seek- switch pushed
0.4 to 0.7 V
Volume+ switch pushed
1.0 to 1.4 V
Volume- switch pushed
1.7 to 2.2 V
E32-20 (SW2) - E32-21 (SWG)*3
LG - B
Steering pad switch signal
No switch pushed
2.5 to 3.0 V
MODE switch pushed
0 to 0.3 V
On hook switch pushed
0.4 to 0.7 V
Off hook switch pushed
1.0 to 1.4 V
E32-21 (SWG) - E31-7 (GND1)*3
B - BR
Steering pad switch ground
Always
Below 1 V
E32-22 (AUXI) - E31-7 (GND1)
G - BR
External device connection detection signal
External device connected
2.1 to 3 V
External device not connected
Below 1 V
E32-23 (ARI) - E32-24 (ASGN)
R - B
Sound signal (Right)
External device playing
(when stereo jack used)
A waveform synchronized with sound signals is output
E32-24 (ASGN) - E31-7 (GND1)
B - BR
Sound signal ground
Always
Below 1 V
E32-25 (ALI) - E32-24 (ASGN)
W - B
Sound signal (Left)
External device playing
(when stereo jack used)
A waveform synchronized with sound signals is output
E33-1 (CA+) - E31-7 (GND1)*4
R - BR
Television camera power supply
Ignition switch ACC
5.5 to 7.05 V
E33-2 (V+) - E31-7 (GND1)*4
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)
E33-5 (CGND) - Body ground*4
Shield - Body ground
Shield ground
Always
Below 1 V
E33-6 (V-) - E31-7 (GND1)*4
W - BR
Video signal ground
Always
Below 1 V
USB1-1 (USV1)
-
Power source
-
-
USB1-2 (US1-)
-
Data signal
-
-
USB1-3 (US1+)
-
Data signal
-
-
USB1-4 (UGD1)
-
Ground
-
-
USB1-5 (USG1)
-
Shield ground
-
-
RA-5 (ANT+) - E31-7 (GND1)
- - BR
Power source of antenna
Ignition switch ACC
Radio switch on and FM or AM selected
11 to 14 V*1
9.5 to 14 V*2
*1: w/o Stop and Start System
*2: w/ Stop and Start System
*3: w/ Steering Pad Switch Assembly
*4: w/ Rear View Monitor System
Reference (Oscilloscope waveform) (w/ Rear View Monitor System):
-
*a
Synchronization Signal
*b
Video Waveform
Waveform 1 (camera lens not covered, displaying an image)
Item
Content
Measurement terminal
E33-2 (V+) - E31-7 (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 rear the rear television camera assembly.
The video waveform is constantly output when the ignition switch is turned to ACC.
-
*a
Synchronization Signal
*b
Video Waveform
Waveform 2 (camera lens covered, blacking out the screen)
Item
Content
Measurement terminal
E33-2 (V+) - E31-7 (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.
The video waveform is constantly output when the ignition switch is turned to ACC.
-