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Home >> Lexus >> 2012 >> IS F >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Audio / Video System (W/O Navigation Display) (W/O Multi-Display) (Diagnostics - Introduction) >> AUDIO AND VISUAL SYSTEM (w/o Navigation System without Multi-display) >> Terminals Of Ecu >> Terminals Of Ecu

Terminals Of Ecu

  1. RADIO RECEIVER ASSEMBLY 
    Fig 1: Radio Receiver Assembly Connectors J107, J108, J109, J110 And RA1 Terminals
    GTY285864Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specification
    J107-1 (B) - J107-20 (GND) G - W-B Battery Always 11 to 14 V
    J107-2 (ILL+) - J107-20 (GND) G - W-B Illumination signal Light control switch off Below 1 V
    J107-2 (ILL+) - J107-20 (GND) G - W-B Illumination signal Light control switch tail 11 to 14 V
    J107-5 (ATX+) V AVC-LAN communication signal - -
    J107-7 (MUTE) - J107-20 (GND) BR - W-B MUTE signal Audio system playing mode Above 2.5 V
    J107-7 (MUTE) - J107-20 (GND) BR - W-B MUTE signal Audio system changing mode Below 0.5 V
    J107-8 (R+) - J107-20 (GND) R - W-B Sound signal (Right) Audio system playing mode A waveform synchronized with sounds is output
    J107-9 (L+) - J107-20 (GND) B - W-B Sound signal (Left) Audio system playing mode A waveform synchronized with sounds is output
    J107-10 (SLD) - Body ground Shield - Body ground Shield ground Always Below 1 V
    J107-11 (ACC) - J107-20 (GND) BE - W-B Accessory (ON) Engine switch off Below 1 V
    J107-11 (ACC) - J107-20 (GND) BE - W-B Accessory (ON) Engine switch on (ACC) 11 to 14 V
    J107-12 (ILL-) - J107-20 (GND) W - W-B Illumination (rheostat) signal Light control switch off Below 1 V
    J107-12 (ILL-) - J107-20 (GND) W - W-B Illumination (rheostat) signal Light control switch tail Pulse generation
    J107-15 (ATX-) P AVC-LAN communication signal - -
    J107-18 (R-) - J107-20 (GND) G - W-B Sound signal (Right) Audio system playing mode A waveform synchronized with sounds is output
    J107-19 (L-) - J107-20 (GND) W - W-B Sound signal (Left) Audio system playing mode A waveform synchronized with sounds is output
    J107-20 (GND) - Body ground W-B - Body ground Ground Always Below 1 V
    J108-3 (SPD) - J107-20 (GND) P - W-B Speed signal from combination meter assembly Engine switch on (IG)
    Drive wheels turned slowly    		 Pulse generation
    J108-6 (SWG) - J107-20 (GND) GR - W-B Steering pad switch ground Always Below 1 V
    J108-7 (SW1) - J107-20 (GND) SB - W-B Steering pad switch signal Steering pad switch not operated 3.28 to 3.5 V
    J108-7 (SW1) - J107-20 (GND) SB - W-B Steering pad switch signal Seek+ switch pushed Below 0.8 V
    J108-7 (SW1) - J107-20 (GND) SB - W-B Steering pad switch signal Seek- switch pushed 0.9 to 1.3 V
    J108-7 (SW1) - J107-20 (GND) SB - W-B Steering pad switch signal Volume+ switch pushed 1.65 to 1.9 V
    J108-7 (SW1) - J107-20 (GND) SB - W-B Steering pad switch signal Volume- switch pushed 2.45 to 2.6 V
    J108-8 (SW2) - J107-20 (GND) L - W-B Steering pad switch signal Steering pad switch not operated 3.28 to 3.5 V
    J108-8 (SW2) - J107-20 (GND) L - W-B Steering pad switch signal MODE switch pushed Below 0.8 V
    J108-8 (SW2) - J107-20 (GND) L - W-B Steering pad switch signal On hook switch pushed 0.9 to 1.3 V
    J108-8 (SW2) - J107-20 (GND) L - W-B Steering pad switch signal Off hook switch pushed 1.65 to 1.9 V
    J108-8 (SW2) - J107-20 (GND) L - W-B Steering pad switch signal Voice switch pushed 2.45 to 2.6 V
    J108-9 (TX+) SB AVC-LAN communication signal - -
    J108-10 (TX-) BE AVC-LAN communication signal - -
    J108-11 (IVO+) - J107-20 (GND) B - W-B Voice signal "Bluetooth" hands-free voice signal received A waveform synchronized with sounds is output
    J108-12 (IVO-) - J107-20 (GND) W - W-B Voice signal "Bluetooth" hands-free voice signal received A waveform synchronized with sounds is output
    J108-13 (SLD1) - Body ground Shield - Body ground Shield ground Always Below 1 V
    J108-15 (ARI) - J107-20 (GND) R - W-B Sound signal (Right) External device playing (When stereo jack used) A waveform synchronized with sounds is output
    J108-16 (ASGN) - J107-20 (GND) B - W-B Shield ground Always Below 1 V
    J108-17 (ALI) - J107-20 (GND) W - W-B Sound signal (Left) External device playing (When stereo jack used) A waveform synchronized with sounds is output
    J108-18 (AGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    J108-19 (AUXI) - J107-20 (GND) L - W-B External device connection detection signal External device connected Below 1 V
    J109-1 (SNS2) - J107-20 (GND) V - W-B Microphone connection detection signal Always Below 1 V
    J109-2 (MIC+) - J107-20 (GND) R*1, G*2 - W-B Microphone voice signal "Bluetooth" hands-free function on A waveform synchronized with sounds is output
    J109-3 (MACC) - J107-20 (GND) W - W-B Microphone amplifier power supply Engine switch off Below 1 V
    J109-3 (MACC) - J107-20 (GND) W - W-B Microphone amplifier power supply Engine switch on (IG) 4 to 6 V
    J109-5 (MIC-) - J107-20 (GND) B*1, R*2 - W-B Microphone voice signal "Bluetooth" hands-free function on A waveform synchronized with sounds is output
    J109-6 (SGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    J110-1 (CSLD) - Body ground Shield - Body ground Shield ground Always Below 1 V
    J110-2 (CDR+) - J107-20 (GND) R - W-B USB audio system sound signal USB audio system playing A Waveform synchronized with sounds is output
    J110-3 (CDR-) - J107-20 (GND) G - W-B USB audio system sound signal USB audio system playing A Waveform synchronized with sounds is output
    J110-4 (CDL+) - J107-20 (GND) B - W-B USB audio system sound signal USB audio system playing A Waveform synchronized with sounds is output
    J110-5 (CDL-) - J107-20 (GND) W - W-B USB audio system sound signal USB audio system playing A Waveform synchronized with sounds is output
    J110-6 (MUTE) - J107-20 (GND) LG - W-B Mute signal USB audio system playing Above 2.5 V
    J110-6 (MUTE) - J107-20 (GND) LG - W-B Mute signal USB audio system changing mode Below 0.5 V
    J110-7 (GND) - J107-20 (GND) W - W-B Ground Always Below 1 V
    J110-9 (TXM+) R AVC-LAN communication signal - -
    J110-10 (TXM-) G AVC-LAN communication signal - -
    J110-11 (ACC) - J107-20 (GND) L - W-B Accessory (ON) Engine switch off Below 1 V
    J110-11 (ACC) - J107-20 (GND) L - W-B Accessory (ON) Engine switch on (ACC) 11 to 14 V
    J110-12 (+B) - J107-20 (GND) B - W-B Battery Always 11 to 14 V
    RA1-5 (ANT+) - J107-20 (GND) B - W-B Power source of antenna Engine switch on (ACC)
    Radio switch on and AM or FM    		 11 to 14 V
    • *1: w/o Manual (SOS) Switch
    • *2: w/ Manual (SOS) Switch
  2. INTEGRATION CONTROL AND PANEL ASSEMBLY 
    Fig 2: Reference Waveform Graph
    GTY150810Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specification
    J54-1 (TX-) R AVC-LAN communication signal - -
    J54-2 (TX+) BR AVC-LAN communication signal - -
    J54-3 (ILL+) - J54-8 (E) G - W-B Illumination signal Light control switch off Below 1 V
    J54-3 (ILL+) - J54-8 (E) G - W-B Illumination signal Light control switch tail 11 to 14 V
    J54-4 (IG+) - J54-8 (E) B - W-B Engine switch on Engine switch on (IG) 11 to 14 V
    J54-4 (IG+) - J54-8 (E) B - W-B Engine switch off Engine switch off Below 1 V
    J54-5 (ACC) - J54-8 (E) BE - W-B Accessory (ON) Engine switch on (ACC) 11 to 14 V
    J54-5 (ACC) - J54-8 (E) BE - W-B Accessory (ON) Engine switch off Below 1 V
    J54-8 (E) - Body ground W-B - Body ground Ground Always Below 1 V
    J54-10 (ILL-) - J54-8 (E) W - W-B Illumination signal Light control switch off Below 1 V
    J54-10 (ILL-) - J54-8 (E) W - W-B Illumination signal Light control switch tail 11 to 14 V
    J54-14 (B) - J54-8 (E) LG - W-B Battery Always 11 to 14 V
  3. STEREO COMPONENT AMPLIFIER ASSEMBLY 
    Fig 3: Stereo Component Amplifier Assembly Connectors P27, P28, P30, And P44 Terminals
    GTY283242Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specification
    P27-1 (+B) - P27-2 (GND) R - W-B Battery Always 11 to 14 V
    P27-2 (GND) - Body ground W-B - Body ground Ground Always Below 1 V
    P27-3 (+B2) - P27-2 (GND) SB - W-B Battery Always 11 to 14 V
    P27-6 (GND2) - Body ground W-B - Body ground Ground Always Below 1 V
    P30-1 (MUTE) - P27-2 (GND) SB - W-B Mute signal from radio receiver assembly Audio system playing Above 2.5 V
    P30-1 (MUTE) - P27-2 (GND) SB - W-B Mute signal from radio receiver assembly Audio system changing sources Below 0.5 V
    P30-2 (L-) - P27-2 (GND) W - W-B Sound signal (Left) Audio system playing A waveform synchronized with sounds is output
    P30-3 (L+) - P27-2 (GND) B - W-B Sound signal (Left) Audio system playing A waveform synchronized with sounds is output
    P30-4 (R-) - P27-2 (GND) G - W-B Sound signal (Right) Audio system playing A waveform synchronized with sounds is output
    P30-5 (R+) - P27-2 (GND) R - W-B Sound signal (Right) Audio system playing A waveform synchronized with sounds is output
    P30-7 (TX-) V AVC-LAN communication signal - -
    P30-8 (TX+) BE AVC-LAN communication signal - -
    P30-11 (SPD) - P27-2 (GND) L - W-B Speed signal from combination mete assembly Engine switch on (IG)
    Drive wheels turned slowly    		 Pulse generation
    P30-12 (ACC) - P27-2 (GND) BE - W-B Accessory (ON) Engine switch off Below 1 V
    P30-12 (ACC) - P27-2 (GND) BE - W-B Accessory (ON) Engine switch on (ACC) 11 to 14 V
    P30-14 (II1-) - P27-2(GND) W - W-B Voice signal "Bluetooth" hands-free voice signal transmitted A waveform synchronized with sounds is output
    P30-15 (II1+) - P27-2 (GND) B - W-B Voice signal "Bluetooth" hands-free voice signal transmitted A waveform synchronized with sounds is output
    P30-24 (TMUT) - P27-2 (GND)*1 P - W-B MUTE signal Audio system playing Above 3.5 V
    P30-24 (TMUT) - P27-2 (GND)*1 P - W-B MUTE signal Emergency call mode Below 1 V
    P28-1 (WF1+) - P27-2 (GND) BR - W-B Sound signal (Woofer) Audio system playing A waveform synchronized with sounds is output
    P28-2 (WF2+) - P27-2 (GND) P - W-B Sound signal (Woofer) Audio system playing A waveform synchronized with sounds is output
    P28-3 (FL+) - P27-2 (GND) SB - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sounds is output
    P28-4 (FR+) - P27-2 (GND) B - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sounds is output
    P28-5 (WF1-) - P27-2 (GND) LG - W-B Sound signal (Woofer) Audio system playing A waveform synchronized with sounds is output
    P28-6 (WF2-) - P27-2 (GND) SB - W-B Sound signal (Woofer) Audio system playing A waveform synchronized with sounds is output
    P28-9 (FL-) - P27-2 (GND) G - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sounds is output
    P28-10 (FR-) - P27-2 (GND) GR - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sounds is output
    P44-1 (ML+) - P27-2 (GND) LG - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sounds is output
    P44-2 (MR+) - P27-2 (GND) B-W - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sounds is output
    P44-3 (WFL+) - P27-2 (GND) W - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sounds is output
    P44-4 (RL+) - P27-2 (GND) P - W-B Sound signal (Rear Left) Audio system playing A waveform synchronized with sounds is output
    P44-5 (RR+) - P27-2 (GND) R - W-B Sound signal (Rear Right) Audio system playing A waveform synchronized with sounds is output
    P44-6 (ML-) - P27-2 (GND) L - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sounds is output
    P44-7 (MR-) - P27-2 (GND) R - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sounds is output
    P44-8 (WFL-) - P27-2 (GND) R - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sounds is output
    P44-9 (WFR-) - P27-2 (GND) W - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sounds is output
    P44-10 (WFR+) - P27-2 (GND) R - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sounds is output
    P44-11 (RL-) - P27-2 (GND) V - W-B Sound signal (Rear Left) Audio system playing A waveform synchronized with sounds is output
    P44-12 (RR-) - P27-2 (GND) W - W-B Sound signal (Rear Right) Audio system playing A waveform synchronized with sounds is output
    • *1: w/ Manual (SOS) Switch
  4. MULTI-MEDIA INTERFACE ECU 
    Fig 4: Multi-Media Interface ECU Connectors J111, J113, And J117 Terminals
    GTY256318Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specification
    J111-1 (USD1) - Body ground Shield - Body ground Shield ground Always Below 1 V
    J111-2 (URO+) - J111-7 (GND) R - W USB audio system sound signal USB audio system playing A waveform synchronized with sounds is output
    J111-3 (URO-) - J111-7 (GND) G - W USB audio system sound signal USB audio system playing A waveform synchronized with sounds is output
    J111-4 (ULO+) - J111-7 (GND) B - W USB audio system sound signal USB audio system playing A waveform synchronized with sounds is output
    J111-5 (ULO-) - J111-7 (GND) W - W USB audio system sound signal USB audio system playing A waveform synchronized with sounds is output
    J111-6 (MUT1) - J111-7 (GND) LG - W Mute signal from multi-media interface ECU USB audio system playing Above 2.5 V
    J111-6 (MUT1) - J111-7 (GND) LG - W Mute signal from multi-media interface ECU USB audio system changing mode Below 0.5 V
    J111-7 (GND) - Body ground W - Body ground Ground Always Below 1 V
    J111-9 (TX1+) R AVC-LAN communication signal - -
    J111-10 (TX1-) G AVC-LAN communication signal - -
    J111-11 (ACC) - J111-7 (GND) L - W Accessory (ON) Engine switch off Below 1 V
    J111-11 (ACC) - J111-7 (GND) L - W Accessory (ON) Engine switch on (ACC) 11 to 14 V
    J111-12 (+B) - J111-7 (GND) B - W Battery Always 11 to 14 V
    J113-4 (TX2+) BR AVC-LAN communication signal - -
    J113-5 (TX2-) R AVC-LAN communication signal - -
    J117-1 (UESG) - Body ground - Ground Always Below 1 V
    J117-2 (UDI+) - Data signal USB device or "iPod" connected -
    J117-3 (UDI-) - Data signal USB device or "iPod" connected -
    J117-4 (UPO) - J117-1 (UESG) - Battery Engine switch on (ACC) 5 V
    J117-5 (UESS) - Body ground Shield - Body ground Shield ground Always Below 1 V
  5. Network Gateway ECU 
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