Terminals Of Ecu
- CHECK RADIO RECEIVER ASSEMBLY
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
SYMBOLS AND SPECIFIED CONDITION CHARTSymbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition B (K54-1) - GND (K54-20) S-B - BR Battery Always 10 to 14 V ILL+ (K54-2) - GND (K54-20) G - BR Illumination signal Engine switch on (IG) Light control switch OFF Below 1 V Engine switch on (IG) Light control switch TAIL or ON 10 to 14 V MUTE (K54-7) - GND (K54-20) S-B - BR Mute signal Audio system is playing Above 3.5 V Changing mode Below 1 V MUTE (K53-6) - GND (K54-20) P - BR Mute signal Audio system is playing Above 3.5 V Changing mode Below 1 V R+ (K54-8) - GND (K54-20) R - BR Sound signal (Right) Audio system is playing - L+ (K54-9) - GND (K54-20) B - BR Sound signal (Left) Audio system is playing - R- (K54-18) - GND (K54-20) G - BR Sound signal (Right) Audio system is playing - L- (K54-19) - GND (K54-20) W - BR Sound signal (Left) Audio system is playing - GND (K54-20) - Body ground BR - Body ground Ground Always Below 1 Ω SGND (K54-10) - Body ground Shielded - Body ground Ground Always Below 1 Ω ACC (K54-11) - GND (K54-20) GR - BR Accessory (ON) Engine switch off Below 1 V Engine switch on (ACC) 10 to 14 V ILL- (K54-12) - GND (K54-10) W - BR Illumination signal Engine switch off Below 1 V Engine switch on (IG) Pulse generation TX+ (K56-9) - GND (K54-20) L - BR AVC-LAN communication signal Engine switch on (ACC) 2 to 3 V TX- (K56-10) - GND (K54-20) LG - BR AVC-LAN communication signal Engine switch on (ACC) 2 to 3 V TXM+ (K53-9) - GND (K54-20)) Y - BR AVC-LAN communication signal Engine switch on (ACC) 2 to 3 V TXM- (K53-10) - GND (K54-20) B - BR AVC-LAN communication signal Engine switch on (ACC) 2 to 3 V ATX+ (K54-5) - GND (K54-20) L - BR AVC-LAN communication signal Engine switch on (ACC) 2 to 3 V ATX- (K54-15) - GND (K54-20) LG - BR AVC-LAN communication signal Engine switch on (ACC) 2 to 3 V ANT (K54 - 13) O - BR Antenna signal Audio system is playing - SWG (K56-6) - GND (K54-20) LG - BR Steering pad switch signal Audio system is playing - SW1 (K56-7) - GND (K54-20) Y - BR Steering pad switch signal Audio system is playing - SW2 (K56-8) - GND (K54-20) O - BR Steering pad switch signal Audio system is playing - - CHECK STEREO COMPONENT AMPLIFIER ASSEMBLY
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
SYMBOLS AND SPECIFIED CONDITION CHARTSymbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition WFL+ *1 (U30-3) - GND (U31-16) W - W-B Sound signal (Front left) Audio system is playing - WFR+ *1 (U30-4) - GND (U31-16) G - W-B Sound signal (Front right) Audio system is playing - WFL- *1 (U30-9) - GND (U31-16) R - W-B Sound signal (Front left) Audio system is playing - WFR- *1 (U30-10) - GND (U31-16) W - W-B Sound signal (Front right) Audio system is playing - MUTE (U29-1) - GND (U31-16) O - W-B Mute signal from radio receiver Audio system is sounding Above 3.5 V Changing mode Below 3.5 V L- (U29-2) - GND (U31-16) W - W-B Sound signal from radio receiver (Left) Audio system is playing - L+ (U29-3) - GND (U31-16) B - W-B Sound signal from radio receiver (Left) Audio system is playing - R- (U29-4) - GND (U31-16) G - W-B Sound signal from radio receiver (Right) Audio system is playing - R+ (U29-5) - GND (U31-16) B - W-B Sound signal from radio receiver (Right) Audio system is playing - TX- (U29-7) - GND (U31-16) L - W-B AVC-LAN communication signal Engine switch on (ACC) 2 to 3 V TX+ (U29-8) - GND (U31-16) LG - W-B AVC-LAN communication signal Engine switch on (ACC) 2 to 3 V ACC (U29-12) - GND (U31-16) GR - W-B Accessory (ON) Engine switch off Below 1 V Engine switch on (ACC) 10 to 14 V SPD (U29-11) - GND (U31-16) V - W-B Speed signal from combination meter Vehicle is being driven Pulse generation TXD- *1, RTX- *2 (U29-19) - GND (U31-16) R - W-B AVC-LAN communication signal Engine switch on (ACC) 2 to 3 V TXD+ *1, RTX+ *2 (U29-20) - GND (U31-16) G - W-B AVC-LAN communication signal Engine switch on (ACC) 2 to 3 V TMUT (U29-24) - GND (U31-16) LG - W-B Mute signal from radio receiver Audio system is sounding Above 3.5 V Changing mode Below 3.5 V +B2 *1 (U31-10), +B *2 (U31-1) - GND (U31-16) SB - W-B Battery Always 10 to 14 V RL+ (U31-6) - GND (U31-16) B - W-B Sound signal (Rear left) Audio system is playing - RR+ (U31-7) - GND (U31-16) R - W-B Sound signal (Rear right) Audio system is playing - FL+ (U31-8) - GND (U31-16) P - W-B Sound signal (Front left) Audio system is playing - FR- (U31-20) - GND (U31-16) L - W-B Sound signal (Front right) Audio system is playing - RL- (U31-17) - GND (U31-16) Y - W-B Sound signal (Rear left) Audio system is playing - RR- (U31-18) - GND (U31-16) W - W-B Sound signal (Rear right) Audio system is playing - FL- (U31-19) - GND (U31-16) V - W-B Sound signal (Front left) Audio system is playing - FR+ (U31-9) - GND (U31-16) LG - W-B Sound signal (Front right) Audio system is playing - GND (U31-16) - Body ground W-B - Body ground Ground Always Below 1 Ω GND2 (U31-15) - Body ground W-B - Body ground Ground Always Below 1 Ω SL+ *1 (U30-1) - GND (U31-16) LG - W-B Sound signal (Rear LH) Audio system is playing - SL- *1 (U30-5) - GND (U31-16) L - W-B Sound signal (Rear LH) Audio system is playing - SR+ *1 (U30-2) - GND (U31-16) B - W-B Sound signal (Rear RH) Audio system is playing - SR- *1 (U30-6) - GND (U31-16) Y - W-B Sound signal (Rear RH) Audio system is playing - WF1+ (U31-5) - GND P - W-B Sound signal (Woofer) Audio system is playing - WF1- (U31-14) - GND V - W-B Sound signal (Woofer) Audio system is playing - WF2+ (U31-4) - GND L - W-B Sound signal (Woofer) Audio system is playing - WF2- (U31-13) - GND LG - W-B Sound signal (Woofer) Audio system is playing - CTR+ (U31-3) - GND Y - W-B Sound signal (Center) Audio system is playing - CTR- (U31-12) - GND B - W-B Sound signal (Center) Audio system is playing - INT+ (U29-23) - GND Y - W-B AVC-LAN communication signal Engine switch on (ACC) 2 to 3 V INT- (U29-22) - GND BR - W-B AVC-LAN communication signal Engine switch on (ACC) 2 to 3 V HINT:
- *1: Mark Levinson models
- *2: Standard models
- CHECK GATEWAY ECU SYMBOLS AND SPECIFIED CONDITION CHART
Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition GTX+ (K66-6) - GND (K66-24) L - W-B AVC-LAN communication signal Engine switch on (ACC) 2 to 3 V GTX- (K66-21) - GND (K66-24) LG - W-B AVC-LAN communication signal Engine switch on (ACC) 2 to 3 V GND (K66-24) - Body ground W-B - Body ground Ground Always Below 1 Ω