Terminals Of Ecu
- RADIO AND PLAYER TERMINALS OF RADIO AND PLAYER DESCRIPTION CHART (1 OF 2)
Symbols (Terminals No.) Wiring Color Condition STD Voltage (V) R5-2 (ATX+) G (1)(2) See "Service Check Mode" - R5-3 (TXS+) G See "Service Check Mode" - R5-5 (ATX-) R (1) B (2) See "Service Check Mode" - R5--6 (TXS-) R See "Service Check Mode" - R4-1 - R4--20 (+B-GND) L-Y - BR Constant 10--14V R5-2 - R4--20 (ATX+ - GND) G - BR (1) Y - BR (2) Light control switch TAIL or HEAD 10--14V R4--5 (TX+) G See "Service Check Mode" - R4--7 - R4--20 (MUTE - GND) Y-BR Switching CD player <-> Cassette player Below 3.5 V R4--8 - R4--20 (R+ - GND) B - BR Audio system is sounding A waveform synchronized with sound is output R4--9 - R4--20 (L+ - GND) R - BR Audio system is sounding A waveform synchronized with sound is output R4--10 - Body ground (SGND - Body ground) - Constant Below 1 V R4--11 - R4--20 (ACC - GND) GR - BR Ignition switch OFF Below 1 V Ignition switch ACC or ON 10--14V R4--12 - R4--20 (ILL- - GND) W-G - B-R Headlight switch ON, Automatic light sensor ON and Tail cancel switch OFF simultaneously 10--14V R4--15 (TX-) R See "Service Check Mode" - R4--18 - R4--20 (R- - GND) W - BR Audio system is sounding A waveform synchronized with sound is output R4--19 - R4--20 (L- - GND) G - BR Audio system is sounding A waveform synchronized with sound is output R4--20 - Body ground (SGND - Body ground) BR - Body ground Constant Below 1 V (1) LHD (2) RHD TERMINALS OF RADIO AND PLAYER DESCRIPTION CHART (2 OF 2)Terminal No. (Symbols) Problem symptom when open circuit is detected. Problem symptom when short circuit is detected. R5-2 (ATX+) Navigation system does not operate. System does not operate. R5-3 (TXS+) Steering pad switch does not operate. System does not operate. R5-5 (ATX-) Navigation system does not operate. System does not operate. R5--6 (TXS-) Steering pad switch does not operate. System does not operate. R4-1 - R4--20 (+B - GND) Radio and player does not operate. Fuse is blown. R5-2 - R4--20 (ATX+ - GND) Radio and player illumination does not light up.. Fuse is blown. R4--5 (TX+) Navigation system does not operate. System does not operate. R4--7 - R4--20 (MUTE - GND) Pop sound etc. Speaker does not sound. R4--8 - R4--20 (R+ - GND) Sound from right side speaker is small. Sound from right side speaker is small. R4--9 - R4--20 (L+ - GND) Sound from left side speaker is small. Sound from left side speaker is small. R4--10 - Body ground (SGND - Body ground) Audio system is normal. Audio system is normal. R4--11 - R4--20 (ACC - GND) Navigation system does not operate. Fuse is blown. R4--12 - R4--20 (ILL- - GND) Radio and player illumination does not light up. Light control rheostat does not operate. R4--15 (TX-) Navigation system does not operate. System does not operate. R4--18 - R4--20 (R- - GND) Sound from right side speaker is small. Sound from right side speaker is small. R4--19 - R4--20 (L- - GND) Sound from left side speaker is small. Sound from left side speaker is small. R4--20 - Body ground (GND - Body ground) System does not operate. Audio system is normal. - STEREO COMPONENT AMPLIFIER
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
STEREO COMPONENT AMPLIFIER TERMINALS DESCRIPTION CHART (1 Of 2)Symbols (Terminals No.) Wiring Color Condition STD Voltage (V) S32-1 - S34-13 (MR+ - GND) B - W-B Audio system is sounding (Radio) A waveform synchronized with sound is output S32-2 - S34-13 (ML+ - GND) R - W-B Audio system is sounding (Radio) A waveform synchronized with sound is output S32-4 - S34-13 (MMUT - GND) Y - W-B Radio switch ON Below 3.5V S32-6 - S34-13 (MR- - GND) W - W-B Audio system is sounding (Radio) A waveform synchronized with sound is output S32-7 - S34-13 (ML- - GND) G - W-B Audio system is sounding (Radio) A waveform synchronized with sound is output S32-9 (RTX-) LG See "Service Check Mode" - S32-10 (RTX+) L See "Service Check Mode" - S34-1 - S34-13 (FR+ - GND) LG - W-B((1), (2), (4))
G - W-B((2), (3))Audio system is sounding A waveform synchronized with sound is output S34-2 - S34-13 (FL+ - GND) P - W-B Audio system is sounding A waveform synchronized with sound is output S34-3 - S34-13 (RR+ - GND) W - W-B Audio system is sounding A waveform synchronized with sound is output S34-4 - S34-13 (RL+ - GND) B - W-B Audio system is sounding A waveform synchronized with sound is output S34-5 - S34-13 (WFR+ - GND) Y - W-B Audio system is sounding A waveform synchronized with sound is output S34-6 - S34-13 (WFL+ - GND) LG - W-B Audio system is sounding A waveform synchronized with sound is output S34-7 - S34-13 (+B - GND) L-R - W-B Constant 10--14V S34-8 - S34-13 (FR- - GND) L - W-B((1), (2), (4))
G - B - W - B((2), (3))Audio system is sounding A waveform synchronized with sound is output S34-9 - S34-13 (FL- - GND) V - W-B Audio system is sounding A waveform synchronized with sound is output S34-10 - S34-13 (RR- - GND) R - W-B Audio system is sounding A waveform synchronized with sound is output S34-11 - S34-13 (RL- - GND) Y - W-B Audio system is sounding A waveform synchronized with sound is output S34-12 - Body ground (E - Body ground) W-B - Body ground Constant Below 1 V S34-13 - Body ground (GND - Body ground) W-B - Body ground Constant Below 1 V S34-14 - S34-13 (WFR- - GND) B - W-B Audio system is sounding A waveform synchronized with sound is output S34-15 - S34-13 (WFL- - GND) L - W-B Audio system is sounding A waveform synchronized with sound is output S34-16 - S34-13 (+B2 - GND) L-R - W-B Constant 10--14V S33-1 - S34-13 (FR+ - GND) G-W - W-B Audio system is sounding A waveform synchronized with sound is output S33-2 - S34-13 (FL+ - GND) V - W-B Audio system is sounding A waveform synchronized with sound is output S33-3 - S34-13 (TMUT - GND) LG-R - W-B Cellular mobile telephone is being used Below 3.5 V S33-4 (TX+) L See "Service Check Mode" - S33-5 (MTX+) G See "Service Check Mode" - S33-9 - S34-13 (N-MU - GND) G-R - W-B Navigation voice sounding Below 3.5 V S33-11 - S34-13 (R+ - GND) B - W-B CD player or cassette player is sounding A waveform synchronized with sound is output S33-12 - S34-13 (L+ - GND) R - W-B CD player or cassette player is sounding A waveform synchronized with sound is output S33-13 - S34-13 (SPD - GND) V-W - W-B See "Vehicle Signal Check Mode" - S33-14 - S34-13 (FR- - GND) BR - W-B Audio system is sounding A waveform synchronized with sound is output S33-15 - S34-13 (FL- - GND) P - W-B Audio system is sounding A waveform synchronized with sound is output S33-17 (TX-) LG See "Service Check Mode" - S33-18 (MTX-) R See "Service Check Mode" - S33-20 - S34-13 (ACC - GND) GR - W-B Ignition switch OFF Below 1 V Ignition switch ACC or ON 10--14V S33-21 - S34-13 (MUTE - GND) Y - W-B Switching CD player <-> Cassette player Below 3.5 V S33-23 - S34-13 (R- - GND) W - W-B CD player or cassette player is sounding A waveform synchronized with sound is output S33-24 - S34-13 (L- - GND) G - W-B CD player or cassette player is sounding A waveform synchronized with sound is output S33-25 - S34-13 (SPDO - GND) Y-R - W-B See "Vehicle Signal Check Mode" - (1) LHD (2) *2: RHD (3) *3: w/ LEXUS Navigation System (4) *4: w/o LEXUS Navigation System STEREO COMPONENT AMPLIFIER TERMINALS DESCRIPTION CHART (2 Of 2)Terminal No. (Symbols) Problem system when open circuit is detected. Problem symptom when short circuit is detected. S32-1 - S34-13 (MR+ - GND) Sound from right side speaker is small. Sound from right side speaker is small. S32-2 - S34-13 (ML+ - GND) Sound from left side speaker is small. Sound from left side speaker is small. S32-4 - S34-13 (MMUT - GND) Pop sound etc. Speaker does not sound. S32-6 - S34-13 (MR- - GND) Sound from right side speaker is small. Sound from right side speaker is small. S32-7 - S34-13 (ML- - GND) Sound from left side speaker is small. Sound from left side speaker is small. S32-9 (RTX-) Navigation system does not operate. Navigation system does not operate. S32-10 (RTX+) Navigation system does not operate. Navigation system does not operate. S34-1 - S34-13 (FR+ - GND) Front right side speaker does not sound. (1) Front right side speaker does not sound. (2) All speakers does not sound. S34-2 - S34-13 (FL+ - GND) Front left side speaker does not sound. (1) Front left side speaker does not sound. (2) All speakers does not sound. S34-3 - S34-13 (RR+ - GND) Rear right side speaker does not sound. (1) Rear right side speaker does not sound. (2) All speakers does not sound. S34-4 - S34-13 (RL+ - GND) Rear left side speaker does not sound. (1) Rear left side speaker does not sound. (2) All speakers does not sound. S34-5 - S34-13 (WFR+ - GND) (1): Woofer does not sound.
(2): Sound from woofer is small.(1), (2) Woofer does not sound. S34-6 - S34-13 (WFL+ - GND) (1): Woofer does not sound.
(2): Sound from woofer is small.(1), (2) Woofer does not sound. S34-7 - S34-13 (+B - GND) If terminal 16 is disconnected, system does not function. Fuse is blown. S34-8 - S34-13 (FR- - GND) Front right side speaker does not sound. (1) Audio system is normal. (2) All speakers does not sound. S34-9 - S34-13 (FL- - GND) Front left side speaker does not sound. (1) Front left side speaker is normal. (2) All speakers does not sound. S34-10 - S34-13 (RR- - GND) Rear right side speaker does not sound. (1) Rear right side speaker is normal. (2) All speakers does not sound. S34-11 - S34-13 (RL- - GND) Rear left side speaker does not sound. (1) Rear left side speaker is normal. (2) All speakers does not sound. S34-12 - Body ground (GND - Body ground) If terminal 13 is disconnected, system does not function. Audio system is normal. S34-13 - Body ground (GND - Body ground) If terminal 12 is disconnected, system does not function. Audio system is normal. S34-14 - S34-13 (WFR- - GND) (1)- (2) Sound from woofer is small. (1)- (2) All speakers does not sound. S34-15 - S34-13 (WFL- - GND) (1)- (2) Sound from woofer is small. (1)- (2) All speakers does not sound. S34-16 - S34-13 (+B2 - GND) If terminal 7 is disconnected, system does not function. Fuse is blown. S33-1 - S34-13 (FR+ - GND) Right side tweeter speaker does not sound. (1) Right side tweeter speaker does not sound. (2) All speakers does not sound. S33-2 - S34-13 (FL+ - GND) Left side tweeter speaker does not sound. (1) Left side tweeter speaker does not sound. (2) All speakers does not sound. S33-3 - S34-13 (TMUT - GND) Mute cannot be activated during telephone call. All speakers does not sound. S33-4 (TX+) Navigation system does not operate. System does not operate. S33-5 (MTX+) Audio rear A/C control switch does not operate. System does not operate. S33-9 - S34-13 (N-MU - GND) Pop sound etc. Front right speaker does not sound. S33-11 - S34-13 (R+ - GND) Sound from right side speaker is small. Sound from right side speaker is small. S33-12 - S34-13 (L+ - GND) Sound from left side speaker is small. Sound from left side speaker is small. S33-13 - S34-13 (SPD - GND) Navigation operation is available during, or a cursor on present site does not move. (ASL does not operate) Navigation operation is available during, or a cursor on present site does not move. (ASL does not operate) S33-14 - S34-13 (FR- - GND) Right side tweeter speaker does not sound. (1) Audio system is normal. (2) All speakers do not sound. S33-15 - S34-13 (FL- - GND) Left side tweeter speaker does not sound. (1) Audio system is normal. (2) All speakers do not sound. S33-17 (TX-) Navigation system does not operate. System does not operate. S33-18 (MTX-) Does not operate. System does not operate. S33-20 - S34-13 (ACC - GND) Audio & rear A/C control switch does not sound. Fuse is blown. S33-21 - S34-13 (MUTE - GND) Pop sound etc. Audio system does not sound. S33-23 - S34-13 (R- - GND) Sound from right side speaker is small. Sound from right side speaker is small. S33-24 - S34-13 (L- - GND) Sound from left side speaker is small. Sound from left side speaker is small. S33-25 - S34-13 (SPDO - GND) Navigation operation is available during, or a cursor on present site does not move. (ASL does not operate) Navigation operation is available during, or a cursor on present site does not move. (ASL does not operate) (1) Mark Levinson (2) Pioneer - STEREO COMPONENT TUNER STEREO COMPONENT TUNER TERMINALS DESCRIPTION CHART (1 OF 2)
Symbols (Terminals No.) Wiring Color Condition STD Voltage (V) S35-1 - S35-25 (B - GND) L-Y - W-B Constant 10--14V S35-2 - S35-25 (SG - GND) - Constant Below 1 V S35-3 - S35-25 (R+ - GND) B - W-B Audio system is sounding A waveform synchronized with sound is output S35-4 - S35-25 (L+ - GND) R - W-B Audio system is sounding A waveform synchronized with sound is output S35-8 (ATX+) L See "Service check Mode" - S35-9 (TXS+) G See "Service check Mode" - S35-11 - S35-25 (MUTE - GND) Y - W-B Switching AM switch <-> FM switch Below 3.5 V S35-14 - S35-25 (ACC - GND) GR - W-B Ignition switch OFF Below 1 V Ignition switch ACC or OFF 10--14V S35-16 - S35-25 (R- - GND) W - W-B Audio system is sounding A waveform synchronized with sound is output S35-17 - S35-25 (L- - GND) G - W-B Audio system is sounding A waveform synchronized with sound is output S35-20 (ATX+) LG See "Service check Mode" - S35-21 (TXS-) R See "Service check Mode" - S35-25 - Body ground (GND - Body ground) W-B - Body ground Constant Below 1 V STEREO COMPONENT TUNER TERMINALS DESCRIPTION CHART (2 OF 2)Terminal No. (symbols) Problem symptom when open circuit is detected. Problem symptom when short circuit is detected. S35-1 - S35-25 (B - GND) Stereo component tuner Fuse is blown. S35-2 - S35-25 (SG - GND) Audio system is normal. Audio system is normal. S35-3 - S35-25 (R+ - GND) Sound from right side speaker is small. Sound from right side speaker is small. S35-4 - S35-25 (L+ - GND) Sound from left side speaker is small. Sound from left side speaker is small. S35-8 (ATX+) Navigation system does not operate. System does not operate. S35-9 (TXS+) Navigation system does not operate. System does not operate. S35-11 - S35-25 (MUTE - GND) Pop sound ETC. Does not sound. S35-14 - S35-25 (ACC - GND) Stereo component tuner does not operate. Fuse is blown. S35-16 - S35-25 (R- - GND) Sound from right side speaker is small. Sound from right side speaker is small. S35-17 - S35-25 (L- - GND) Sound from left side speaker is small. Sound from left side speaker is small. S35-20(ATX-) Navigation system does not operate. System does not operate. S35-21 (TXS-) Navigation system does not operate. System does not operate. S35-25 - Body ground (GND - Body ground) Stereo component tuner does not operate. Audio system is normal. - AUDIO AND REAR A/C CONTROL SWITCH
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
AUDIO AND REAR A/C CONTROL SWITCH TERMINALS DESCRIPTION CHART (1 OF 2)Symbols (Terminals No.) Wiring Color Condition STD Voltage (V) A38-1 - A38-10 (TX+ - GND) G - W-B Constant 10--14V A38-1 (TX+) G See "Service Check Mode" - A38-10 - Body ground (GND - Body ground) W-B - Body ground Constant Below 1 V A38-9 - A38-10 (ACC - GND) GR - W-B Ignition switch OFF Below 1 V Ignition switch ACC or ON 10--14V A38-6 - A38-10 (TX- - GND) R - W-B Light control switch OFF Below 1 V Light control switch TAIL or HEAD 10 -- 14 V A38-7 - A38-10 (ILL- - GND) W-B - W-B Rear center arm-rest is closing. (rear center arm-rest courtesy switch ON) Below 3 V A38-6 (TX-) R See "Service Check Mode" - AUDIO AND REAR A/C CONTROL SWITCH TERMINALS DESCRIPTION CHART (2 OF 2)Terminal No. (Symbols) Problem symptom when open circuit is detected. Problem symptom when short circuit is detected. A38-1 - A38-10 (TX+ - GND) Audio and rear A/C control switch does not operate. Fuse is blown. A38-1 (TX+) Audio and rear A/C control switch does not operate. System does not operate. Audio and rear A/C control switch does not operate. Audio and rear A/C control switch does not operate. - A38-9 - A38-10 (ACC - GND) Audio and rear A/C control switch does not operate. Fuse is blown. A38-6 - A38-10 (TX- - GND) Rear seat control switch illumination does not light up. Rear seat control switch illumination does not light up. A38-7 - A38-10 (ILL- - GND) Audio and rear A/C control does not displayed. Audio and rear A/C control switch illumination does not light up. A38 - 6 (TX-) Audio and rear control switch does not operate. System does not operate.