AUDIO AND VISUAL SYSTEM (for Radio and Display Type) TERMINALS OF ECU
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CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY
Terminal No. (Symbol) Wiring Color Terminal Description Condition Specification R25-1 (FR+) - R25-7 (GND) LG - BR Sound signal (Front Right) Audio system playing Waveform synchronized with sound is output R25-2 (FL+) - R25-7 (GND) P - BR Sound signal (Front Left) Audio system playing Waveform synchronized with sound is output R25-3 (ACC) - R25-7 (GND) GR - BR Accessory (ON) Ignition switch off Below 1 V Ignition switch ACC 11 to 14 V R25-4 (B) - R25-7 (GND) L-Y - BR Battery Always 11 to 14 V R25-5 (FR-) - R25-7 (GND) L - BR Sound signal (Front Right) Audio system playing Waveform synchronized with sound is output R25-6 (FL-) - R25-7 (GND) V - BR Sound signal (Front Left) Audio system playing Waveform synchronized with sound is output R25-7 (GND) - Body ground BR - Body ground Ground Always Below 1 V R25-10 (ILL+) - R25-7 (GND) G - BR Illumination signal Light control switch off Below 1 V Light control switch tail or head 11 to 14 V R26-1 (RR+) - R25-7 (GND) R - BR Sound signal (Rear Right) Audio system playing Waveform synchronized with sound is output R26-2 (RL+) - R25-7 (GND) B - BR Sound signal (Rear Left) Audio system playing Waveform synchronized with sound is output R26-3 (RR-) - R25-7 (GND) W - BR Sound signal (Rear Right) Audio system playing Waveform synchronized with sound is output R26-6 (RL-) - R25-7 (GND) Y - BR Sound signal (Rear Left) Audio system playing Waveform synchronized with sound is output R19-1 (IG) - R25-7 (GND) P - BR IG signal Ignition switch off Below 1 V Ignition switch ON 11 to 14 V R19-4 (MACC) - Body ground B - Body ground Microphone AMP power supply Ignition switch off Below 1 V Ignition switch ACC 4 to 6 V R19-5 (MIN+) - Body ground W - Body ground Microphone voice signal See "Microphone & Voice Recognition Check" Click here
- R19-6 (SNS2) - Body ground W-B - Body ground Microphone connection detection signal Always Below 1 V R19-11 (AGND) - Body ground Shielded - Body ground Shield ground Always Below 1 V R19-17 (SPD) - R25-7 (GND) V-R - BR Speed signal from combination meter See "Vehicle Signal" Click here.
- R19-18 (SGND) - R25-7 (GND) Shielded - BR Shield ground Always Below 1 V R19-19 (MIN-) - Body ground R - Body ground Microphone voice signal See "Microphone & Voice Recognition Check" Click here
- R19-21 (SW1) - R25-7 (GND) R - BR Steering pad switch signal Steering pad switch not operated 4.44 to 5.43 V Seek+ switch pushed 0.45 to 0.65 V Seek- switch pushed 1.19 to 1.49 V Volume+ switch pushed 2.09 to 2.54 V Volume- switch pushed 3.20 to 3.88 V R19-22 (SW2) - R25-7 (GND) W - BR Steering pad switch signal Steering pad switch not operated 4.44 to 5.43 V MODE switch pushed 0.45 to 0.65 V On hook switch pushed 1.19 to 1.49 V Off hook switch pushed 2.09 to 2.54 V R19-23 (SWG) - R25-7 (GND) L - BR Steering pad switch ground Always Below 1 V R19-25 (ADPG) - R25-7 (GND) G - BR External device connection detection signal External device connected Below 1 V R19-26 (VAR+) - R25-7 (GND) B - BR Sound signal (Right) External device playing (When stereo jack used) Waveform synchronized with sound is output R19-27 (VA-) - R25-7 (GND) W - BR Ground Always Below 1 V R19-28 (VAL+) - R25-7 (GND) R - BR Sound signal (Left) External device playing (When stereo jack used) Waveform synchronized with sound is output R20-6 (PKB) - R25-7 (GND) LG - BR Parking brake signal See "Vehicle Signal" Click here.
- RA-5 (ANT+) - Body ground # - Body ground Power source of antenna Radio switch on and AM or FM radio on 11 to 14 V R24-1 (USV1) - R24-4 (UGD1) # - # Battery Always 4.5 to 5.5 V R24-2 (US1-) - R24-4 (UGD1) # - # Data signal USB device or "iPod" connected - R24-3 (US1+) - R24-4 (UGD1) # - # Data signal USB device or "iPod" connected - R24-4 (UGD1) - Body ground # - Body ground Ground Always Below 1 V
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#: There is no wire color information.
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