AUDIO AND VISUAL SYSTEM (for Radio and Display Type without Intuitive Parking Assist System) TERMINALS OF ECU
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RADIO AND DISPLAY RECEIVER ASSEMBLY (for 6 Speakers)
Terminal No. (Symbols) Wiring Color Terminal Description Condition Specification I152-1 (FR+) - I152-7 (GND1) LG - BR Sound signal (Front Right) Audio system playing A waveform synchronized with sounds is output I152-2 (FL+) - I152-7 (GND1) P - BR Sound signal (Front Left) Audio system playing A waveform synchronized with sounds is output I152-3 (ACC1) - I152-7 (GND1) GR - BR Power source (ACC) Ignition switch off Below 1 V Ignition switch ACC 11 to 14 V I152-4 (+B1) - I152-7 (GND1) L-Y - BR Power source (+B) Always 11 to 14 V I152-5 (FR-) - I152-7 (GND1) L - BR Sound signal (Front Right) Audio system playing A waveform synchronized with sounds is output I152-6 (FL-) - I152-7 (GND1) V - BR Sound signal (Front Left) Audio system playing A waveform synchronized with sounds is output I152-7 (GND1) - Body ground BR - Body ground Ground Always Below 1 V I152-10 (ILL+) - I152-7 (GND1) G - BR Illumination signal Light control switch off Below 1 V Light control switch in tail or head position 11 to 14 V I153-1 (RR+) - I152-7 (GND1) R - BR Sound signal (Rear Right) Audio system playing A waveform synchronized with sounds is output I153-2 (RL+) - I152-7 (GND1) B - BR Sound signal (Rear Left) Audio system playing A waveform synchronized with sounds is output I153-3 (RR-) - I152-7 (GND1) W - BR Sound signal (Rear Right) Audio system playing A waveform synchronized with sounds is output I153-5 (ILL-) - I152-7 (GND1) W - BR Illumination signal Light control switch off Below 1 V Light control switch in tail or head position Pulse generation I153-6 (RL-) - I152-7 (GND1) Y - BR Sound signal (Rear Left) Audio system playing A waveform synchronized with sounds is output I155-1 (IG) - I152-7 (GND1) Y - BR Power source (IG) Ignition switch off Below 1 V Ignition switch ON 11 to 14 V I155-2 (REV) - I152-7 (GND1) L - BR Reverse signal See "Vehicle Signal Check Mode" in Operation Check Click here
- I155-4 (MACC) - I152-7 (GND1) B - BR Microphone power supply Ignition switch off Below 1 V Ignition switch ACC 4 to 6 V I155-5 (MIN+) - I152-7 (GND1) W - BR Microphone voice signal See "Microphone & Voice Recognition Check" in Operation Check Click here
- I155-6 (SNS2) - I152-7 (GND1) LG - BR Microphone connection detection signal Always Below 1 V I155-9 (CANH) R CAN communication signal - - I155-10 (CANL) W CAN communication signal - - I155-11 (AGND) - Body ground Shield - Body ground Shield ground Always Below 1 V I155-17 (SPD) - I152-7 (GND1) V - BR Vehicle speed signal See "Vehicle Signal Check Mode" in Operation Check Click here
- I155-18 (SGND) - Body ground Shield - Body ground Shield ground Always Below 1 V I155-19 (MIN-) - I152-7 (GND1) R - BR Microphone voice signal See "Microphone & Voice Recognition Check" in Operation Check Click here
- I155-21 (SW1) - I155-23 (SWG) B - 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 I155-22 (SW2) - I155-23 (SWG) Y - P Steering pad switch signal No switch pushed 2.97 to 3.56 V MODE/HOLD 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*1 2.22 to 2.66 V I155-23 (SWG) - I152-7 (GND1) P - BR Steering pad switch ground Always Below 1 V I155-24 (SW3) - I155-23 (SWG) SB - P Steering pad switch signal No switch pushed 2.97 to 3.56 V Enter switch pushed 0.27 to 0.35 V Back switch pushed 0.86 to 1.03 V Right switch pushed 1.51 to 1.79 V Left switch pushed 2.22 to 2.66 V I155-25 (ADPG) - I152-7 (GND1) G - BR External device connection detection signal External device connected Below 1 V External device not connected 2.1 to 3 V I155-26 (VAR+) - I155-27 (VA-) B - W Sound signal (Right) External device playing (When stereo jack used) A waveform synchronized with sounds is output I155-27 (VA-) - I152-7 (GND1) W - BR Ground Always Below 1 V I155-28 (VAL+) - I155-27 (VA-) R - W Sound signal (Left) External device playing (When stereo jack used) A waveform synchronized with sounds is output I154-6 (PKB) - I152-7 (GND1) R - BR Parking brake signal See "Vehicle Signal Check Mode" in Operation Check Click here
- I154-7 (CA+) - I152-7 (GND1)*2 B - BR Television camera power supply Within 60 seconds of turning the ignition switch to ACC 5.5 to 7.05 V I154-8 (V+) - I152-7 (GND1)*2 W - 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)
I154-15 (CGND) - Body ground*2 Shield - Body ground Shield ground Always Below 1 V I154-16 (V-) - I152-7 (GND1)*2 R - BR Ground Always Below 1 V I156-1 (UPO) - Power source - - I156-2 (UDO-) - Data signal - - I156-3 (UDO+) - Data signal - - I156-4 (UESG) - Ground - - I156-5 (USG1) - Shield ground - - RA-5 (ANT+) - I152-7 (GND1) - - BR Power source of antenna Ignition switch ACC
Radio switch on and FM or AM selected
11 to 14 V -
*1: w/ Voice Switch of Steering Pad Switch Assembly
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*2: w/ Rear View Monitor System
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Reference (Oscilloscope waveform):
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Waveform 1 (camera lens not covered, displaying an image)
Item Content Measurement terminal I154-8 (V+) - I152-7 (GND1) Measurement setting 200 mV/DIV., 50 μsec./DIV. Condition Ignition switch ON, Shift lever in R 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 I154-8 (V+) - I152-7 (GND1) Measurement setting 200 mV/DIV., 50 μsec./DIV. Condition Ignition switch ON, Shift lever in R 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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RADIO AND DISPLAY RECEIVER ASSEMBLY (for 10 Speakers)
Terminal No. (Symbols) Wiring Color Terminal Description Condition Specification I134-1 (+B1) - I134-20 (GND1) L-Y - BR Power source (+B) Always 11 to 14 V I134-2 (ILL+) - I134-20 (GND1) G - BR Illumination signal Light control switch off Below 1 V Light control switch in tail or head position 11 to 14 V I134-5 (TX2+) GR AVC-LAN communication signal - - I134-7 (MUT1) - I134-20 (GND1) L - BR Mute signal Audio system playing Above 3.5 V Audio system changing modes Below 1 V I134-8 (R+) - I134-20 (GND1) R - BR Sound signal (Right) Audio system playing A waveform synchronized with sounds is output I134-9 (L+) - I134-20 (GND1) B - BR Sound signal (Left) Audio system playing A waveform synchronized with sounds is output I134-11 (ACC1) - I134-20 (GND1) GR - BR Power source (ACC) Ignition switch off Below 1 V Ignition switch ACC 11 to 14 V I134-12 (ILL-) - I134-20 (GND1) W - BR Illumination signal Light control switch off Below 1 V Light control switch in tail or head position Pulse generation I134-15 (TX2-) G AVC-LAN communication signal - - I134-16 (IVO+) - I134-20 (GND1) R - BR Voice signal Voice guidance sounding A waveform synchronized with sounds is output I134-17 (IVO-) - I134-20 (GND1) G - BR Voice signal Voice guidance sounding A waveform synchronized with sounds is output I134-18 (R-) - I134-20 (GND1) G - BR Sound signal (Right) Audio system playing A waveform synchronized with sounds is output I134-19 (L-) - I134-20 (GND1) W - BR Sound signal (Left) Audio system playing A waveform synchronized with sounds is output I134-20 (GND1) - Body ground BR - Body ground Ground Always Below 1 V I155-1 (IG) - I134-20 (GND1) Y - BR Power source (IG) Ignition switch off Below 1 V Ignition switch ON 11 to 14 V I155-2 (REV) - I134-20 (GND1) L - BR Reverse signal See "Vehicle Signal Check Mode" in Operation Check Click here
- I155-4 (MACC) - I134-20 (GND1) B - BR Microphone power supply Ignition switch off Below 1 V Ignition switch ACC 4 to 6 V I155-5 (MIN+) - I134-20 (GND1) W - BR Microphone voice signal See "Microphone & Voice Recognition Check" in Operation Check Click here
- I155-6 (SNS2) - I134-20 (GND1) LG - BR Microphone connection detection signal Always Below 1 V I155-9 (CANH) R CAN communication signal - - I155-10 (CANL) W CAN communication signal - - I155-11 (AGND) - Body ground Shield - Body ground Shield ground Always Below 1 V I155-17 (SPD) - I134-20 (GND1) V - BR Vehicle speed signal See "Vehicle Signal Check Mode" in Operation Check Click here
- I155-18 (SGND) - Body ground Shield - Body ground Shield ground Always Below 1 V I155-19 (MIN-) - I134-20 (GND1) R - BR Microphone voice signal See "Microphone & Voice Recognition Check" in Operation Check Click here
- I155-21 (SW1) - I155-23 (SWG) B - 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 I155-22 (SW2) - I155-23 (SWG) Y - P Steering pad switch signal No switch pushed 2.97 to 3.56 V MODE/HOLD 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 I155-23 (SWG) - I134-20 (GND1) P - BR Steering pad switch ground Always Below 1 V I155-24 (SW3) - I155-23 (SWG) SB - P Steering pad switch signal No switch pushed 2.97 to 3.56 V Enter switch pushed 0.27 to 0.35 V Back switch pushed 0.86 to 1.03 V Right switch pushed 1.51 to 1.79 V Left switch pushed 2.22 to 2.66 V I155-25 (ADPG) - I134-20 (GND1) G - BR External device connection detection signal External device connected Below 1 V External device not connected 2.1 to 3 V I155-26 (VAR+) - I134-20 (GND1) B - BR Sound signal (Right) External device playing (When stereo jack used) A waveform synchronized with sounds is output I155-27 (VA-) - I134-20 (GND1) W - BR Ground Always Below 1 V I155-28 (VAL+) - I134-20 (GND1) R - BR Sound signal (Left) External device playing (When stereo jack used) A waveform synchronized with sounds is output I154-6 (PKB) - I134-20 (GND1) R - BR Parking brake signal See "Vehicle Signal Check Mode" in Operation Check Click here
- I154-7 (CA+) - I134-20 (GND1) B - BR Television camera power supply Within 60 seconds of turning the ignition switch to ACC 5.5 to 7.05 V I154-8 (V+) - I134-20 (GND1) W - 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)
I154-15 (CGND) - Body ground Shield - Body ground Shield ground Always Below 1 V I154-16 (V-) - I134-20 (GND1) R - BR Ground Always Below 1 V I156-1 (UPO) - Power source - - I156-2 (UDO-) - Data signal - - I156-3 (UDO+) - Data signal - - I156-4 (UESG) - Ground - - I156-5 (USG1) - Shield ground - - RA-5 (ANT+) - I134-20 (GND1) - - BR Power source of antenna Ignition switch ACC
Radio switch on and FM or AM selected
11 to 14 V -
Reference (Oscilloscope waveform):
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Waveform 1 (camera lens not covered, displaying an image)
Item Content Measurement terminal I154-8 (V+) - I134-20 (GND1) Measurement setting 200 mV/DIV., 50 μsec./DIV. Condition Ignition switch ON, Shift lever in R 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 I154-8 (V+) - I134-20 (GND1) Measurement setting 200 mV/DIV., 50 μsec./DIV. Condition Ignition switch ON, Shift lever in R 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 10 Speakers)
Terminal No. (Symbol) Wiring Color Terminal Description Condition Specification I68-1 (+B) - I68-3 (GND) GR - W-B Power source (+B) Always 11 to 14 V I68-3 (GND) - Body ground W-B - Body ground Ground Always Below 1 V I68-8 (WF1+) - I68-3 (GND) P - W-B Sound signal (Woofer) Audio system playing A waveform synchronized with sounds is output I68-9 (SL+) - I68-3 (GND) B - W-B Sound signal (Rear Left) Audio system playing A waveform synchronized with sounds is output I68-10 (SR+) - I68-3 (GND) R - W-B Sound signal (Rear Right) Audio system playing A waveform synchronized with sounds is output I68-11 (FL+) - I68-3 (GND) P - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sounds is output I68-12 (TWR+) - I68-3 (GND) LG - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sounds is output I68-13 (CTR+) - I68-3 (GND) B - W-B Sound signal (Front Center) Audio system playing A waveform synchronized with sounds is output I68-14 (TWL+) - I68-3 (GND) P - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sounds is output I68-15 (FR+) - I68-3 (GND) LG - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sounds is output I68-23 (WF1-) - I68-3 (GND) Y - W-B Sound signal (Woofer) Audio system playing A waveform synchronized with sounds is output I68-24 (SL-) - I68-3 (GND) Y - W-B Sound signal (Rear Left) Audio system playing A waveform synchronized with sounds is output I68-25 (SR-) - I68-3 (GND) W - W-B Sound signal (Rear Right) Audio system playing A waveform synchronized with sounds is output I68-26 (FL-) - I68-3 (GND) V - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sounds is output I68-27 (TWR-) - I68-3 (GND) L - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sounds is output I68-28 (CTR-) - I68-3 (GND) G - W-B Sound signal (Front Center) Audio system playing A waveform synchronized with sounds is output I68-29 (TWL-) - I68-3 (GND) V - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sounds is output I68-30 (FR-) - I68-3 (GND) L - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sounds is output I69-1 (MUTE) - I68-3 (GND) L - W-B Mute signal Audio system playing Above 3.5 V Audio system changing modes Below 1 V I69-2 (L-) - I68-3 (GND) W - W-B Sound signal (Left) Audio system playing A waveform synchronized with sounds is output I69-3 (L+) - I68-3 (GND) B - W-B Sound signal (Left) Audio system playing A waveform synchronized with sounds is output I69-4 (R-) - I68-3 (GND) G - W-B Sound signal (Right) Audio system playing A waveform synchronized with sounds is output I69-5 (R+) - I68-3 (GND) R - W-B Sound signal (Right) Audio system playing A waveform synchronized with sounds is output I69-6 (SLD) - Body ground Shield - Body ground Shield ground Always Below 1 V I69-7 (TX-) G AVC-LAN communication signal - - I69-8 (TX+) GR AVC-LAN communication signal - - I69-11 (SPD) - I68-3 (GND) V - W-B Vehicle speed signal Ignition switch ON
Wheel being rotated
Pulse generation I69-12 (ACC) - I68-3 (GND) GR - W-B Power source (ACC) Ignition switch off Below 1 V Ignition switch ACC 11 to 14 V I69-14 (II1-) - I68-3 (GND) G - W-B Voice signal Voice guidance sounding A waveform synchronized with sounds is output I69-15 (II1+) - I68-3 (GND) R - W-B Voice signal Voice guidance sounding A waveform synchronized with sounds is output I69-18 (SLD1) - Body ground Shield - Body ground Shield ground Always Below 1 V