AUDIO AND VISUAL SYSTEM TERMINALS OF ECU
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RADIO AND DISPLAY RECEIVER ASSEMBLY
Terminal No. (Symbols) Wiring Color Terminal Description Condition Specification L36-1 (FR+) - L36-7 (GND1) G - W-B*1
LG - W-B*2
Sound signal (Right)*1
Sound signal (Front Right)*2
Audio system playing A waveform synchronized with sounds is output L36-2 (FL+) - L36-7 (GND1) R - W-B*1
P - W-B*2
Sound signal (Left)*1
Sound signal (Front Left)*2
Audio system playing A waveform synchronized with sounds is output L36-3 (ACC1) - L36-7 (GND1) GR - W-B Power source (ACC) Power switch off Below 1 V Power switch on (ACC) 11 to 14 V L36-4 (+B1) - L36-7 (GND1) SB - W-B Power source (+B) Power switch off 11 to 14 V L36-5 (FR-) - L36-7 (GND1) B - W-B*1
L - W-B*2
Sound signal (Right)*1
Sound signal (Front Right)*2
Audio system playing A waveform synchronized with sounds is output L36-6 (FL-) - L36-7 (GND1) W - W-B*1
V - W-B*2
Sound signal (Left)*1
Sound signal (Front Left)*2
Audio system playing A waveform synchronized with sounds is output L36-7 (GND1) - Body ground W-B - Body ground Ground Always Below 1 V L36-10 (ILL+) - L36-7 (GND1) G - W-B Illumination signal Light control switch off Below 1 V Power switch off
Light control switch in tail or head position
11 to 14 V L41-1 (RR+) - L36-7 (GND1)*2 R - W-B Sound signal (Rear Right) Audio system playing A waveform synchronized with sounds is output L41-2 (RL+) - L36-7 (GND1) Y - W-B*1
B - W-B*2
Voice signal*1
Sound signal (Rear Left)*2
Voice guidance sounding*1
Audio system playing*2
A waveform synchronized with sounds is output L41-3 (RR-) - L36-7 (GND1)*2 W - W-B Sound signal (Rear Right) Audio system playing A waveform synchronized with sounds is output L41-6 (RL-) - L36-7 (GND1) BR - W-B*1
Y - W-B*2
Voice signal*1
Sound signal (Rear Left)*2
Voice guidance sounding*1
Audio system playing*2
A waveform synchronized with sounds is output L35-1 (IG) - L36-7 (GND1) B - W-B Power source (IG) Power switch off Below 1 V Power switch on (IG) 11 to 14 V L35-2 (REV) - L36-7 (GND1) P - W-B Reverse signal See "Vehicle Signal Check Mode" in Operation Check Click here
- L35-4 (MACC) - L36-7 (GND1) R - W-B Microphone power supply Power switch off Below 1 V Power switch on (ACC) 4 to 6 V L35-5 (MIN+) - L36-7 (GND1) B - W-B Microphone voice signal See "Microphone & Voice Recognition Check" in Operation Check Click here
- L35-6 (SNS2) - L36-7 (GND1) G - W-B Microphone connection detection signal Always Below 1 V L35-7 (TX1+)*1 L AVC-LAN communication signal - - L35-8 (TX1-)*1 R AVC-LAN communication signal - - L35-9 (CANH) B CAN communication signal - - L35-10 (CANL) W CAN communication signal - - L35-11 (AGND) - Body ground Shield - Body ground Shield ground Always Below 1 V L35-17 (SPD) - L36-7 (GND1) L - W-B Vehicle speed signal See "Vehicle Signal Check Mode" in Operation Check Click here
- L35-18 (SGND) - Body ground Shield - Body ground Shield ground Always Below 1 V L35-19 (MIN-) - L36-7 (GND1) W - W-B Microphone voice signal See "Microphone & Voice Recognition Check" in Operation Check Click here
- L35-20 (MUT2) - L36-7 (GND1)*1 P - W-B Mute signal Audio system playing Above 3.5 V Audio system changing modes Below 1 V L35-21 (SW1) - L35-23 (SWG) V - P Steering pad switch signal No switch pushed 2.97 to 3.56 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 L35-22 (SW2) - L35-23 (SWG) SB - P 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 L35-23 (SWG) - L36-7 (GND1) P - W-B Steering pad switch ground Always Below 1 V L35-25 (ADPG) - L36-7 (GND1) Y - W-B External device connection detection signal External device connected Below 1 V External device not connected 2.1 to 3 V L35-26 (VAR+) - L35-27 (VA-) B - W Sound signal (Right) External device playing (When stereo jack used) A waveform synchronized with sounds is output L35-27 (VA-) - L36-7 (GND1) W - W-B Ground Always Below 1 V L35-28 (VAL+) - L35-27 (VA-) R - W Sound signal (Left) External device playing (When stereo jack used) A waveform synchronized with sounds is output L34-6 (PKB) - L36-7 (GND1) Y - W-B Parking brake signal See "Vehicle Signal Check Mode" in Operation Check Click here
- L34-7 (CA+) - L36-7 (GND1) W - W-B Television camera power supply Within 60 seconds of turning the power switch on (ACC) 5.5 to 7.05 V L34-8 (V+) - L36-7 (GND1) R - W-B Video signal Power switch on (READY)
Reverse (R) selected
Camera lens not covered, displaying an image
Pulse generation
(Refer to waveform 1)
Power switch on (READY)
Reverse (R) selected
Camera lens covered, blacking out screen
Pulse generation
(Refer to waveform 2)
L34-15 (CGND) - Body ground Shield - Body ground Shield ground Always Below 1 V L34-16 (V-) - L36-7 (GND1) B - W-B Ground Always Below 1 V L135-1 (UPO) - Power source - - L135-2 (UDO-) - Data signal - - L135-3 (UDO+) - Data signal - - L135-4 (UESG) - Ground - - L135-5 (USG1) - Shield ground - - RA-5 (ANT+) - L36-7 (GND1) B - W-B Power source of antenna Power switch on (ACC)
Radio switch on and FM or AM selected
11 to 14 V
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*1: for 8 Speakers
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*2: for 6 Speakers
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Reference (Oscilloscope waveform):
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Waveform 1 (camera lens not covered, displaying an image)
Item Content Measurement terminal L34-8 (V+) - L36-7 (GND1) Measurement setting 200 mV/DIV., 50 μsec./DIV. Condition Power switch on (READY), Reverse (R) selected Tech Tips
The video waveform changes according to the image sent by the television camera assembly.
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Waveform 2 (camera lens covered, blacking out the screen)
Item Content Measurement terminal L34-8 (V+) - L36-7 (GND1) Measurement setting 200 mV/DIV., 50 μsec./DIV. Condition Power switch on (READY), Reverse (R) selected Tech Tips
The video waveform changes according to the image sent by the rear television camera assembly.
Text in Illustration *a Waveform 1 (camera lens not covered, displaying an image) *b Waveform 2 (camera lens covered, blacking out the screen) *c Synchronization Signal *d Video Waveform
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STEREO COMPONENT AMPLIFIER ASSEMBLY (for 8 Speakers)
Terminal No. (Symbol) Wiring Color Terminal Description Condition Specification L30-1 (+B) - L30-3 (GND) R - W-B Power source (+B) Power switch off 11 to 14 V L30-3 (GND) - Body ground W-B - Body ground Ground Always Below 1 V L30-8 (WFL+) - L30-3 (GND) P - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sounds is output L30-9 (FR+) - L30-3 (GND) LG - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sounds is output L30-10 (TWL+) - L30-3 (GND) B - W-B Sound signal (Rear Left) Audio system playing A waveform synchronized with sounds is output L30-11 (RL+) - L30-3 (GND) B - W-B Sound signal (Rear Left) Audio system playing A waveform synchronized with sounds is output L30-12 (RR+) - L30-3 (GND) R - W-B Sound signal (Rear Right) Audio system playing A waveform synchronized with sounds is output L30-13 (TWR+) - L30-3 (GND) R - W-B Sound signal (Rear Right) Audio system playing A waveform synchronized with sounds is output L30-14 (FL+) - L30-3 (GND) P - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sounds is output L30-15 (WFR+) - L30-3 (GND) LG - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sounds is output L30-16 (+B2) - L30-3 (GND) V - W-B Power source (+B) Power switch off 11 to 14 V L30-18 (GND2) - Body ground W-B - Body ground Ground Always Below 1 V L30-23 (WFL-) - L30-3 (GND) V - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sounds is output L30-24 (FR-) - L30-3 (GND) L - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sounds is output L30-25 (TWL-) - L30-3 (GND) Y - W-B Sound signal (Rear Left) Audio system playing A waveform synchronized with sounds is output L30-26 (RL-) - L30-3 (GND) Y - W-B Sound signal (Rear Left) Audio system playing A waveform synchronized with sounds is output L30-27 (RR-) - L30-3 (GND) W - W-B Sound signal (Rear Right) Audio system playing A waveform synchronized with sounds is output L30-28 (TWR-) - L30-3 (GND) W - W-B Sound signal (Rear Right) Audio system playing A waveform synchronized with sounds is output L30-29 (FL-) - L30-3 (GND) V - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sounds is output L30-30 (WFR-) - L30-3 (GND) L - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sounds is output L31-1 (MUTE) - L30-3 (GND) P - W-B Mute signal Audio system playing Above 3.5 V Audio system changing modes Below 1 V L31-2 (L-) - L30-3 (GND) W - W-B Sound signal (Left) Audio system playing A waveform synchronized with sounds is output L31-3 (L+) - L30-3 (GND) R - W-B Sound signal (Left) Audio system playing A waveform synchronized with sounds is output L31-4 (R-) - L30-3 (GND) B - W-B Sound signal (Right) Audio system playing A waveform synchronized with sounds is output L31-5 (R+) - L30-3 (GND) G - W-B Sound signal (Right) Audio system playing A waveform synchronized with sounds is output L31-6 (SLD) - Body ground Shield - Body ground Shield ground Always Below 1 V L31-7 (ATX-) R AVC-LAN communication signal - - L31-8 (ATX+) L AVC-LAN communication signal - - L31-11 (SPD) - L30-3 (GND) P - W-B Vehicle speed signal Power switch on (IG)
Wheel being rotated
Pulse generation L31-12 (ACC) - L30-3 (GND) GR - W-B Power source (ACC) Power switch off Below 1 V Power switch on (ACC) 11 to 14 V L31-14 (INT-) - L30-3 (GND) BR - W-B Voice signal Voice guidance sounding A waveform synchronized with sounds is output L31-15 (INT+) - L30-3 (GND) Y - W-B Voice signal Voice guidance sounding A waveform synchronized with sounds is output L31-18 (SLD1) - Body ground Shield - Body ground Shield ground Always Below 1 V