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Tip:
Check from the rear of the connector while it is connected to the components.
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RADIO RECEIVER ASSEMBLY
Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition H177-11 (CA+) - H177-23 (CGND) B - W-B Television camera power supply Power switch on (ACC) 5.5 to 7.05 V H177-12 (V+) - H177-23 (CGND) R - W-B Video signal Power switch on (READY)
Shift lever in R
Camera lens not covered, displaying an image
Pulse generation (Refer to waveform 1) Power switch on (READY)
Shift lever in R
Camera lens covered, blacking out screen
Pulse generation (Refer to waveform 2) H177-18 (TX2+) B AVC-LAN communication signal - - H177-19 (TX2-) W AVC-LAN communication signal - - H177-23 (CGND) - Body ground Shield - Body ground Shield ground Always Below 1 V H177-24 (V-) - H177-23 (CGND) R - W-B Ground Always Below 1 V H179-1 (FR+) - H179-7 (GND1) G - W-B Sound signal (front right) Audio system playing A waveform synchronized with sound signals is output H179-2 (FL+) - H179-7 (GND1) W - W-B Sound signal (front left) Audio system playing A waveform synchronized with sound signals is output H179-3 (ACC1) - H179-7 (GND1) Y - W-B Power source (ACC) Power switch off Below 1 V Power switch on (ACC) 11 to 14 V H179-4 (+B1) - H179-7 (GND1) R - W-B Power source (+B) Power switch off 11 to 14 V H179-5 (FR-) - H179-7 (GND1) R - W-B Sound signal (front right) Audio system playing A waveform synchronized with sound signals is output H179-6 (FL-) - H179-7 (GND1) B - W-B Sound signal (front left) Audio system playing A waveform synchronized with sound signals is output H179-7 (GND1) - Body ground W-B - Body ground Ground Always Below 1 V H179-10 (ILL+) - H179-7 (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 H180-2 (RL+) - H179-7 (GND1) G - W-B Sound signal (rear left) Audio system playing A waveform synchronized with sound signals is output H180-5 (ILL-) - H179-7 (GND1) B - W-B Illumination signal Light control switch off Below 1 V Light control switch in tail or head position Pulse generation H180-6 (RL-) - H179-7 (GND1) R - W-B Voice signal Voice guidance sounding A waveform synchronized with voice signals is output H176-1 (IG) - H179-7 (GND1) V - W-B Power source (IG) Power switch off Below 1 V Power switch on (IG) 11 to 14 V H176-4 (MACC) - H179-7 (GND1) R - W-B Microphone power supply Power switch off Below 1 V Power switch on (ACC) 4.75 to 5.25 V H176-5 (MIN+) - H179-7 (GND1) W - W-B Microphone voice signal See "Check Microphone" in Operation Check (Click here)
- H176-6 (SNS2) - H179-7 (GND1) V - W-B Microphone connection detection signal Always Below 1 V H176-7 (TX1+) R AVC-LAN communication signal - - H176-8 (TX1-) BR AVC-LAN communication signal - - H176-9 (CANH) R CAN communication signal - - H176-10 (CANL) W CAN communication signal - - H176-11 (AGND) - Body ground Shield - Body ground Shield ground Always Below 1 V H176-12 (SG) - H179-7 (GND1) Shield - W-B External device connection detection signal External device connected Below 1 V H176-13 (VV+) - H179-7 (GND1) B - W-B Video signal External device playing (When stereo jack used) A waveform synchronized with video signals is output H176-14 (VV-) - H179-7 (GND1) W - W-B Video signal External device playing (When stereo jack used) A waveform synchronized with video signals is output H176-15 (PKB) - H179-7 (GND1) G - W-B Parking brake signal See "Check Vehicle Signal" in Operation Check (Click here)
- H176-16 (MUT1) - H179-7 (GND1) B - W-B Mute signal Power switch on (ACC) Audio system playing 2.0 V or higher Audio system changing modes Below 1 V H176-17 (SPD) - H179-7 (GND1) V - W-B Vehicle speed signal See "Check Vehicle Signal" in Operation Check (Click here)
- H176-18 (SGND) - Body ground Shield - Body ground Shield ground Always Below 1 V H176-19 (MIN-) - H179-7 (GND1) B - W-B Microphone voice signal See "Check Microphone" in Operation Check (Click here)
- H176-21 (SW1) - H176-23 (SWG) L - W 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 H176-22 (SW2) - H176-23 (SWG) R - W 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 H176-23 (SWG) - H179-7 (GND1) Y - W-B Steering pad switch ground Always Below 1 V H176-25 (ADPG) - H179-7 (GND1) BR - W-B External device connection detection signal External device connected Below 1 V External device not connected 2.1 to 3 V H176-26 (VAR+) - H176-27 (VA-) R - B Sound signal (right) External device playing (When stereo jack used) A waveform synchronized with sound signals is output H176-27 (VA-) - H179-7 (GND1) B - W-B Ground Always Below 1 V H176-28 (VAL+) - H176-27 (VA-) W - B Sound signal (left) External device playing (When stereo jack used) A waveform synchronized with sound signals is output H178-1 (VMTF) - H179-7 (GND1) L - W-B Visual mute signal Power switch on (ACC) Screen display changes 2.0 V or higher
→ Below 1 V
→ 2.0 V or higher
H178-11 (TX4+) P AVC-LAN communication signal - - H178-12 (TX4-) V AVC-LAN communication signal - - H182-3 (ACC2) - H169-7 (GND1) V - W-B Power source (ACC) Power switch off Below 1 V Power switch on (ACC) 11 to 14 V H182-4 (+B2) - H169-7 (GND1) P - W-B Power source (+B) Power switch off 11 to 14 V H182-8 (GND2) - Body ground Y - Body ground Ground Always Below 1 V H186-1 (USV1) - Power source - - H186-2 (US1-) - Data signal - - H186-3 (US1+) - Data signal - - H186-4 (UGD1) - Ground - - H186-5 (USG1) - Shield ground - - H190-1 (GVIF) B Video signal (Digital) - - RA-5 (ANT+) - H179-7 (GND1) - - 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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Reference (Oscilloscope waveform):
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Waveform 1 (camera lens not covered, displaying an image)
Item Content Measurement terminal H177-12 (V+) - H177-23 (CGND) Measurement setting 200 mV/DIV., 50 μs./DIV. Condition Power switch on (READY), shift lever in R Tip:
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The video waveform changes according to the image sent by the rear television camera assembly.
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The video waveform is constantly output when the power switch is on (ACC).
Table 1. Text in Illustration *a Waveform 1 (camera lens not covered, displaying an image) *b Synchronization Signal *c Video Waveform -
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Waveform 2 (camera lens covered, blacking out the screen)
Item Content Measurement terminal H177-12 (V+) - H177-23 (CGND) Measurement setting 200 mV/DIV., 50 μs./DIV. Condition Power switch on (READY), shift lever in R Tip:
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The video waveform changes according to the image sent by the rear television camera assembly.
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The video waveform is constantly output when the power switch is on (ACC).
Table 2. Text in Illustration *a Waveform 2 (camera lens covered, blacking out the screen) *b Synchronization Signal *c Video Waveform -
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STEREO COMPONENT AMPLIFIER ASSEMBLY
Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition H88-1 (+B) - H88-3 (GND) Y - W-B Power source (+B) Power switch off 11 to 14 V H88-3 (GND) - Body ground BR - Body ground Ground Always Below 1 V H88-4 (WFL+) - H88-3 (GND) R - W-B Sound signal (front left) Audio system playing A waveform synchronized with sound signals is output H88-5 (WFR+) - H88-3 (GND) B - W-B Sound signal (front right) Audio system playing A waveform synchronized with sound signals is output H88-6 (WF1+) - H88-3 (GND) L - W-B Sound signal (woofer) Audio system playing A waveform synchronized with sound signals is output H88-7 (CTR+) - H88-3 (GND) B - W-B Sound signal (front center) Audio system playing A waveform synchronized with sound signals is output H88-12 (FL+) - H88-3 (GND) R - W-B Sound signal (front left) Audio system playing A waveform synchronized with sound signals is output H88-13 (FR+) - H88-3 (GND) B - W-B Sound signal (front right) Audio system playing A waveform synchronized with sound signals is output H88-14 (RL+) - H88-3 (GND) R - W-B Sound signal (rear left) Audio system playing A waveform synchronized with sound signals is output H88-15 (RR+) - H88-3 (GND) V - W-B Sound signal (rear right) Audio system playing A waveform synchronized with sound signals is output H88-16 (+B2) - H88-3 (GND) L - W-B Power source (+B) Power switch off 11 to 14 V H88-18 (GND2) - Body ground BR - Body ground Ground Always Below 1 V H88-19 (WFL-) - H88-3 (GND) W - W-B Sound signal (front left) Audio system playing A waveform synchronized with sound signals is output H88-20 (WFR-) - H88-3 (GND) Y - W-B Sound signal (front right) Audio system playing A waveform synchronized with sound signals is output H88-21 (WF1-) - H88-3 (GND) LG - W-B Sound signal (woofer) Audio system playing A waveform synchronized with sound signals is output H88-22 (CTR-) - H88-3 (GND) Y - W-B Sound signal (front center) Audio system playing A waveform synchronized with sound signals is output H88-27 (FL-) - H88-3 (GND) W - W-B Sound signal (front left) Audio system playing A waveform synchronized with sound signals is output H88-28 (FR-) - H88-3 (GND) Y - W-B Sound signal (front right) Audio system playing A waveform synchronized with sound signals is output H88-29 (RL-) - H88-3 (GND) W - W-B Sound signal (rear left) Audio system playing A waveform synchronized with sound signals is output H88-30 (RR-) - H88-3 (GND) P - W-B Sound signal (rear right) Audio system playing A waveform synchronized with sound signals is output H87-1 (MUTE) - H88-3 (GND) Y - W-B Mute signal Power switch on (ACC)
Audio system playing
2.0 V or higher Audio system changing modes Below 1 V H87-2 (L-) - H88-3 (GND) B - W-B Sound signal (left) Audio system playing A waveform synchronized with sound signals is output H87-3 (L+) - H88-3 (GND) R - W-B Sound signal (left) Audio system playing A waveform synchronized with sound signals is output H87-4 (R-) - H88-3 (GND) G - W-B Sound signal (right) Audio system playing A waveform synchronized with sound signals is output H87-5 (R+) - H88-3 (GND) W - W-B Sound signal (right) Audio system playing A waveform synchronized with sound signals is output H87-6 (SLD) - Body ground Shield - Body ground Shield ground Always Below 1 V H87-7 (TX-) BR AVC-LAN communication signal - - H87-8 (TX+) R AVC-LAN communication signal - - H87-11 (SPD) - H88-3 (GND) V - W-B Vehicle speed signal Power switch on (IG) Wheel being rotated Pulse generation H87-12 (ACC) - H88-3 (GND) GR - W-B Power source (ACC) Power switch off Below 1 V Power switch on (ACC) 11 to 14 V H87-14 (II1-) - H88-3 (GND) R - W-B Voice signal Voice guidance sounding A waveform synchronized with voice signals is output H87-15 (II1+) - H88-3 (GND) G - W-B Voice signal Voice guidance sounding A waveform synchronized with voice signals is output H87-18 (SLD1) - Body ground Shield - Body ground Shield ground Always Below 1 V -
MULTI-DISPLAY ASSEMBLY
Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition H93-2 (ILL) - H170-13 (GND1) SB - 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 H93-6 (TX1+) P AVC-LAN communication signal - - H93-7 (TX+) P AVC-LAN communication signal - - H93-11 (VMTI) - H93-13 (GND1) L - W-B Visual mute signal Power switch on (ACC)
Screen display changes
2.0 V or higher
→ Below 1 V
→ 2.0 V or higher
H93-12 (B) - H93-13 (GND1) R - W-B Power source (+B) Power switch off 11 to 14 V H93-13 (GND1) - Body ground W-B - Body ground Ground Always Below 1 V H93-18 (TX1-) G AVC-LAN communication signal - - H93-19 (TX-) G AVC-LAN communication signal - - H93-24 (ACC) - H93-13 (GND1) Y - W-B Power source (ACC) Power switch off Below 1 V Power switch on (ACC) 11 to 14 V H161-1 (GVIF) B Video signal (Digital) - - -
REMOTE OPERATION BOARD
Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition H181-1 (ILL+) - H181-4 (GND) 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 H181-4 (GND) - Body ground W-B - Body ground Ground Always Below 1 V H181-8 (ILL-) - H181-4 (GND) GR - W-B Illumination signal Light control switch off Below 1 V Light control switch in tail or head position Pulse generation H181-10 (TX+) W AVC-LAN communication signal - - H181-11 (TX-) V AVC-LAN communication signal - - H181-14 (ACC) - H181-4 (GND) Y - W-B Power source (ACC) Power switch off Below 1 V Power switch on (ACC) 11 to 14 V -
REAR CONTROL SWITCH (w/ Rear Control Switch)
Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition j2-1 (+B) - j2-16 (GND) R - W-B Power source (+B) Power switch off 11 to 14 V j2-5 (TX-) W AVC-LAN communication signal - - j2-6 (ACC) - j2-16 (GND) P - W-B Power source (ACC) Power switch off Below 1 V Power switch on (ACC) 11 to 14 V j2-7 (IG+) - j2-16 (GND) SB - W-B Power source (IG) Power switch off Below 1 V Power switch on (IG) 11 to 14 V j2-15 (TX+) L AVC-LAN communication signal - - j2-16 (GND) - Body ground W-B - Body ground Ground Always Below 1 V