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 R23-1 (FR+) - R23-7 (GND) LG - BR Sound signal (Front Right) Audio system playing Waveform synchronized with sound is output R23-2 (FL+) - R23-7 (GND) P - BR Sound signal (Front Left) Audio system playing Waveform synchronized with sound is output R23-3 (ACC) - R23-7 (GND) GR - BR Accessory (ON) Ignition switch off Below 1 V Ignition switch ACC 11 to 14 V R23-4 (B) - R23-7 (GND) L-Y - BR Battery Always 11 to 14 V R23-5 (FR-) - R23-7 (GND) L - BR Sound signal (Front Right) Audio system playing Waveform synchronized with sound is output R23-6 (FL-) - R23-7 (GND) V - BR Sound signal (Front Left) Audio system playing Waveform synchronized with sound is output R23-7 (GND) - Body ground BR - Body ground Ground Always Below 1 Ω R23-10 (ILL+) - R23-7 (GND) G - BR Illumination signal Headlight dimmer switch assembly off Below 1 V Headlight dimmer switch assembly tail or head position 11 to 14 V R22-1 (RR+) - R23-7 (GND)* R - BR Sound signal (Rear Right) Audio system playing Waveform synchronized with sound is output R22-2 (RL+) - R23-7 (GND)* B - BR Sound signal (Rear Left) Audio system playing Waveform synchronized with sound is output R22-3 (RR-) - R23-7 (GND)* W - BR Sound signal (Rear Right) Audio system playing Waveform synchronized with sound is output R22-6 (RL-) - R23-7 (GND)* Y - BR Sound signal (Rear Left) Audio system playing Waveform synchronized with sound is output R21-2 (REV) - R23-7 (GND) R-Y - BR Reverse signal Ignition switch ON, shift lever in R 7.5 to 14 V Ignition switch ON, shift lever not in R Below 1 V R21-4 (MACC) - Body ground B - Body ground Microphone AMP power supply Ignition switch off Below 1 V Ignition switch ACC 4 to 6 V R21-5 (MIN+) - Body ground W - Body ground Microphone voice signal See "Microphone & Voice Recognition Check" Click here
- R21-6 (SNS2) - Body ground W-B - Body ground Ground Always Below 1 Ω R21-11 (AGND) - Body ground Shielded - Body ground Shield ground Always Below 1 Ω R21-15 (PKB) - R23-7 (GND) LG - BR Parking brake signal See "Vehicle Signal" Click here.
- R21-17 (SPD) - R23-7 (GND) V-R - BR Speed signal from combination meter See "Vehicle Signal" Click here.
- R21-18 (SGND) - R23-7 (GND) Shielded - BR Shield ground Always Below 1 Ω R21-19 (MIN-) - Body ground R - Body ground Microphone voice signal See "Microphone & Voice Recognition Check" Click here
- R21-21 (SW1) - R23-7 (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 R21-22 (SW2) - R23-7 (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 R21-23 (SWG) - R23-7 (GND) L - BR Steering pad switch ground Always Below 1 V R21-25 (ADPG) - R23-7 (GND) G - BR External device connection detection signal External device connected Below 1 V R21-26 (VAR+) - R23-7 (GND) B - BR Sound signal (Right) External device playing (When stereo jack used) Waveform synchronized with sound is output R21-27 (VA-) - R23-7 (GND) W - BR Ground Always Below 1 Ω R21-28 (VAL+) - R23-7 (GND) R - BR Sound signal (Left) External device playing (When stereo jack used) Waveform synchronized with sound is output RA-3 (MAIN) - - - - RA-4 (GND) - Ground - - RA-5 (ANT+) - R23-7 (GND) # - BR Power source of antenna Radio switch on and AM or FM radio on 11 to 14 V R30-1 (USV1) # Power source - - R30-2 (US1-) # Data signal - - R30-3 (US1+) # Data signal - - R30-4 (UGD1) # Ground - - R30-5 (USG1) # Shield ground - -
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*: for 6 Speakers
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#: There is no wire color information.
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