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Home/Toyota/Sienna/Toyota Sienna II facelift (2005-2010)/Repair manual/Audio System & Visual System: Diagnosis/PROBLEM SYMPTOMS TABLE
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PROBLEM SYMPTOMS TABLE Toyota Sienna II facelift

Audio System & Visual System: Diagnosis 3 illustrations ~2765 words

PROBLEM SYMPTOMS TABLE

HINT

  1. Before inspecting the suspected areas listed in the table below, check the fuse and relay.
  2. Before inspecting the suspected areas listed in the table below, check for DTCs.
  3. Methods used to verify the cause of the problem are listed in order of probability in the suspected area column.

Audio Function

SymptomSuspected areaSee
Pressing power switch does not turn on system.1. Proceed to "Pressing Power Switch does not Turn on System"PRESSING POWER SWITCH DOES NOT TURN ON SYSTEM
2. Radio receiver power source circuitRADIO RECEIVER POWER SOURCE CIRCUIT
3. AVC-LAN circuitAVC-LAN CIRCUIT
4. Radio receiverRADIO RECEIVER
Panel switch does not function.1. Steering pad switch circuitSTEERING PAD SWITCH CIRCUIT
2. AVC-LAN circuitAVC-LAN CIRCUIT
3. Radio receiverRADIO RECEIVER
No sound be heard from speakers. (Audio is mute.) (10 speaker system)1. Radio receiver power source circuitRADIO RECEIVER POWER SOURCE CIRCUIT
2. Proceed to "No Sound can be Heard from Speakers"NO SOUND CAN BE HEARD FROM SPEAKERS
3. Stereo component amplifier power source circuitSTEREO COMPONENT AMPLIFIER POWER SOURCE CIRCUIT
4. Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Component Amplifier"SOUND SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND STEREO COMPONENT AMPLIFIER
5. Speaker circuitSPEAKER CIRCUIT
6. Proceed to "Mute Signal Circuit between Radio Receiver and Stereo Component Amplifier"MUTE SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND STEREO COMPONENT AMPLIFIER
7. Proceed to "Mute Signal Circuit between Radio Receiver and Television Display Assembly" (*1)MUTE SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND TELEVISION DISPLAY ASSEMBLY
8. Stereo component amplifierSTEREO COMPONENT AMPLIFIER COMMUNICATION ERROR
9. Radio receiverRADIO RECEIVER
No sound be heard from speakers. (Audio is mute.) (6 speaker system)1. Radio receiver power source circuitRADIO RECEIVER POWER SOURCE CIRCUIT
2. Proceed to "No Sound can be Heard from Speakers"NO SOUND CAN BE HEARD FROM SPEAKERS
3. Speaker circuitSPEAKER CIRCUIT
4. Proceed to "Mute Signal Circuit between Radio Receiver and Television Display Assembly" (*1)MUTE SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND TELEVISION DISPLAY ASSEMBLY
5. Radio receiverRADIO RECEIVER
Sound quality is bad in all modes. (Volume is too low.) (10 speaker system)1. Proceed to "Poor Sound Quality in All Modes (Low Volume)"POOR SOUND QUALITY IN ALL MODES (LOW VOLUME)
2. Speaker circuit.SPEAKER CIRCUIT
3. Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Component Amplifier"SOUND SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND STEREO COMPONENT AMPLIFIER
4. Proceed to "Mute Signal Circuit between Radio Receiver and Stereo Component Amplifier"MUTE SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND STEREO COMPONENT AMPLIFIER
5. Proceed to "Mute Signal Circuit between Radio Receiver and Television Display Assembly" (*1)MUTE SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND TELEVISION DISPLAY ASSEMBLY
6. Stereo component amplifierSTEREO COMPONENT AMPLIFIER
7. Radio receiverRADIO RECEIVER
Sound quality is bad in all modes. (Volume is too low.) (6 speaker system)1. Proceed to "Poor Sound Quality in All Modes (Low Volume)"POOR SOUND QUALITY IN ALL MODES (LOW VOLUME)
2. Speaker circuitSPEAKER CIRCUIT
3. Proceed to "Mute Signal Circuit between Radio Receiver and Television Display Assembly" (*1)MUTE SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND TELEVISION DISPLAY ASSEMBLY
4. Radio receiverRADIO RECEIVER
ASL does not function. (10 speaker system)Proceed to "Vehicle Speed Signal Circuit between Stereo Component Amplifier and Combination Meter"VEHICLE SPEED SIGNAL CIRCUIT BETWEEN STEREO COMPONENT AMPLIFIER AND COMBINATION METER
ASL does not function. (6 speaker system)Proceed to "Vehicle Speed Signal Circuit between Radio Receiver and Combination Meter"VEHICLE SPEED SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND COMBINATION METER
RSE sound cannot be heard or sound quality is bad. (*3)1. Radio receiver power source circuitRADIO RECEIVER POWER SOURCE CIRCUIT
2. Television display assembly power source circuitTELEVISION DISPLAY POWER SOURCE CIRCUIT
3. Proceed to "Sound Signal Circuit between Radio Receiver and Television Display Assembly"SOUND SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND TELEVISION DISPLAY ASSEMBLY
4. Proceed to "Mute Signal Circuit between Radio Receiver and Television Display Assembly"MUTE SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND TELEVISION DISPLAY ASSEMBLY
5. Radio receiverRADIO RECEIVER
6. Television display assemblyTELEVISION DISPLAY
External device sound cannot be heard or sound quality is bad. (Stereo jack is used.)1. Radio receiver power source circuitRADIO RECEIVER POWER SOURCE CIRCUIT
2. Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter"SOUND SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND STEREO JACK ADAPTER
3. Stereo jack adapterAUDIO TERMINAL
4. Radio receiverRADIO RECEIVER
Abnormal noise occurs. (10 speaker system)1. Proceed to "Noise occurs"NOISE OCCURS
2. Stereo component amplifierSTEREO COMPONENT AMPLIFIER
3. Radio receiverRADIO RECEIVER
Abnormal noise occurs. (6 speaker system)1. Proceed to "Noise occurs"NOISE OCCURS
2. Radio receiverRADIO RECEIVER
Radio broadcast cannot be received or poor reception.Proceed to "Radio Broadcast cannot be Received or Poor Reception"RADIO BROADCAST CANNOT BE RECEIVED OR POOR RECEPTION
CD cannot be inserted/played or CD is ejected right after insertion.1. Radio receiver power source circuitRADIO RECEIVER POWER SOURCE CIRCUIT
2. Proceed to "CD cannot be Inserted/Played or CD is Ejected Right After Insertion"CD CANNOT BE INSERTED / PLAYED OR CD IS EJECTED RIGHT AFTER INSERTION
CD cannot be ejected.1. Radio receiver power source circuitRADIO RECEIVER POWER SOURCE CIRCUIT
2. Proceed to "CD cannot be Ejected"CD CANNOT BE EJECTED
Sound quality is bad only when CD is played. (Volume is too low.)Proceed to "Sound Quality is Bad Only when CD is Played (Volume is Too Low)"SOUND QUALITY IS BAD ONLY WHEN CD IS PLAYED (VOLUME IS TOO LOW)
CD sound skips.Proceed to "CD Sound Skips"CD SOUND SKIPS
Radio receiver cannot be illuminated at night.1. Illumination circuitILLUMINATION CIRCUIT
2. Radio receiverRADIO RECEIVER

PROBLEM SYMPTOMS CHART

Steering Pad Switch Function

SymptomSuspected areaSee
Audio system cannot be operated with steering pad switch.1. Steering pad switch circuitSTEERING PAD SWITCH CIRCUIT
2. Radio receiverRADIO RECEIVER
Steering pad switch cannot be illuminated at night.1. Illumination circuitILLUMINATION CIRCUIT
2. Radio receiverRADIO RECEIVER

PROBLEM SYMPTOMS CHART

Scheme 73

Scheme 73: TERMINALS OF ECU
Scheme 73: TERMINALS OF ECU

Scheme 74

Scheme 74
Scheme 74

Scheme 75

Scheme 75
Scheme 75
  1. RADIO RECEIVER (10 SPEAKER SYSTEM) RADIO RECEIVER ECU CONNECTOR TERMINALS CHART Symbols (Terminal No.) Wiring Color Terminal Description Condition Specification B (R7-1) - GND (R7-20) L-Y - W-B Battery Always 10 to 14 V ILL+ (R7-2) - GND (R7-20) G - W-B Illumination signal Light control switch OFF --> TAIL Below 1 V --> 10 to 14 V ATX+ (R7-5) - GND (R7-20) LG-B - W-B AVC-LAN communication signal Turn ignition switch to ACC 2 to 3 V MUTE (R7-7) - GND (R7-20) GR-B - W-B MUTE signal Audio system is playing --> Changing Above 3.5 V --> Below 1 V R+ (R7-8) - GND (R7-20) W - W-B Sound signal (Right) Audio system is playing A waveform synchronized with sounds is output L+ (R7-9) - GND (R7-20) G - W-B Sound signal (Left) Audio system is playing A waveform synchronized with sounds is output SLD (R7-10) - Body ground Shielded - Body ground Shield ground Always Below 1 V ACC (R7-11) - GND (R7-20) GR - W-B Accessory (ON) Turn ignition switch to ACC 10 to 14 V ILL - (R7-12) - GND (R7-20) W-G - W-B Illumination (rheostat) signal Light control switch OFF --> TAIL Below 1 V --> Pulse generation ANT (R7-13) - GND (R7-20) P-L - W-B Power source of antenna Radio switch ON and AM or FM 10 to 14 V ATX- (R7-15) - GND (R7-20) LG-R - W-B AVC-LAN communication signal Turn ignition switch to ACC 2 to 3 V R - (R7-18) - GND (R7-20) B - W-B Sound signal (Right) Audio system is playing A waveform synchronized with sounds is output L - (R7-19) - GND (R7-20) R - W-B Sound signal (Left) Audio system is playing A waveform synchronized with sounds is output GND (R7-20) - Body ground W-B - Body ground Ground Always Below 1 V SWG (R9-6) - GND (R7-20) Y - W-B Steering pad switch ground Always Below 1 V SW1 (R9-7) - GND (R7-20) LG - W-B Steering pad switch signal Steering pad switch not operated 4 V or more --> SEEK+ switch pushed --> Approx. 0.5 V --> SEEK- switch pushed --> Approx. 0.9 V --> VOL+ switch pushed --> Approx. 2.0 V --> VOL- switch pushed --> Approx. 3.4 V SW2 (R9-8) - GND (R7-20) L - W-B Steering pad switch signal Steering pad switch not operated --> MODE switch pushed 4 V or more --> Below 2.5 V ARI (R9-15) - GND (R7-20) P - W-B Sound signal (Right) External device is playing (When stereo jack is used) A waveform synchronized with sounds is output ASGN (R9-16) - GND (R7-20) BR - W-B Shield ground Always Below 1 V ALI (R9-17) - GND (R7-20) L - W-B Sound signal (Left) External device is playing (When stereo jack is used) A waveform synchronized with sounds is output AUXI (R9-19) - GND (R7-20) G - W-B External device connection detection signal External device is connected Below 1 V CSLD (R8-1) - Body ground ( (1) ) Shielded - Body ground Shielded ground Always Below 1 V CDR+ (R8-2) - GND (R7-20) ( (1) ) B - W-B Sound signal from RSE RSE system is playing A waveform synchronized with sounds is output CDR- (R8-3) - GND (R7-20) ( (1) ) W - W-B Sound signal from RSE RSE system is playing A waveform synchronized with sounds is output CDL+ (R8-4) - GND (R7-20) ( (1) ) R - W-B Sound signal from RSE RSE system is playing A waveform synchronized with sounds is output CDL- (R8-5) - GND (R7-20) ( (1) ) G - W-B Sound signal from RSE RSE system is playing A waveform synchronized with sounds is output MUTE (R8-6) - GND (R7-20) ( (1) ) R-W - W-B MUTE signal from RSE RSE system is playing --> changing Above 3.5 V --> Below 1 V TXM+ (R8-9) - GND (R7-20) ( (1) ) P - W-B AVC-LAN communication signal Turn ignition switch to ACC 2 to 3V TXM- (R8-10) - GND (R7-20) ( (1) ) V - W-B AVC-LAN communication signal Turn ignition switch to ACC 2 to 3V (1) with Rear Seat Entertainment System
  2. RADIO RECEIVER (6 SPEAKER SYSTEM) RADIO RECEIVER ECU CONNECTOR TERMINALS Symbols (Terminal No.) Wiring Color Terminal Description Condition Specification FR+ (R5-1) - GND (R5-7) ( (1) ) LG - W-B Sound signal (Front Right) Audio system is playing A waveform synchronized with sounds is output FL+ (R5-2) - GND (R5-7) ( (1) ) P - W-B Sound signal (Front Left) Audio system is playing A waveform synchronized with sounds is output ACC (R5-3) - GND (R5-7) ( (1) ) GR - W-B Accessory (ON) Turn ignition switch OFF --> ACC Below 1 V --> 10 to 14V +B (R5-4) - GND (R5-7) ( (1) ) L-Y - W-B Battery Always 10 to 14 V FR - (R5-5) - GND (R5-7) ( (1) ) L - W-B Sound signal (Front Right) Audio system is playing A waveform synchronized with sounds is output FL- (R5-6) - GND (R5-7) ( (1) ) V - W-B Sound signal (Front Left) Audio system is playing A waveform synchronized with sounds is output GND (R5-7) - Body ground ( (1) ) W-B - Body ground Ground Always Below 1 V ILL+ (R5-10) - GND (R5-7) ( (1) ) G - W-B Illumination signal Light control switch OFF --> TAIL or HEAD Below 1 V --> 10 to 14 V RR+ (R6-1) - GND (R5-7) ( (1) ) R - W-B Sound signal (Rear Right) Audio system is playing A waveform synchronized with sounds is output RL+ (R6-2) - GND (R5-7) ( (1) ) B - W-B Sound signal (Rear Left) Audio system is playing A waveform synchronized with sounds is output RR - (R6-3) - GND (R5-7) ( (1) ) W - W-B Sound signal (Rear Right) Audio system is playing A waveform synchronized with sounds is output ILL - (R6-5) - GND (R5-7) ( (1) ) W-G - W-B Illumination (rheostat) signal Light control switch OFF --> TAIL or HEAD Below 1 V --> Pulse generation RL- (R6-6) - GND (R5-7) ( (1) ) Y - W-B Sound signal (Rear Left) Audio system is playing A waveform synchronized with sounds is output SPD (R9-3) - GND (R5-7) ( (1) ) V-W - W-B Speed signal from combination meter Turn ignition switch to ON. Turn drive wheels slowly. Pulse generation SWG (R9-6) - GND (R5-7) ( (1) ) Y - W-B Steering pad switch ground Always Below 1 V SW1 (R9-7) - GND (R5-7) ( (1) ) LG - W-B Steering pad switch signal Steering pad switch not operated 4 V or more --> SEEK+ switch pushed --> Approx. 0.5 V --> SEEK- switch pushed --> Approx. 0.9 V --> VOL+ switch pushed --> Approx. 2.0 V --> VOL- switch pushed --> Approx. 3.4 V SW2 (R9-8) - GND (R5-7) ( (1) ) L - W-B Steering pad switch signal Steering pad switch not operated --> MODE switch pushed 4 V or more --> Below 2.5 V ARI (R9-15) - GND (R5-7) ( (1) ) P - W-B Sound signal (Right) External device is playing (When stereo jack is used) A waveform synchronized with sounds is output ASGN (R9-16) - GND (R5-7) ( (1) ) BR - W-B Shield ground Always Below 1 V ALI (R9-17) - GND (R5-7) ( (1) ) L - W-B Sound signal (Left) External device is playing (When stereo jack is used) A waveform synchronized with sounds is output AUXI (R9-19) - GND (R5-7) ( (1) ) G - W-B External device connection detection signal External device is connected Below 1 V CSLD (R8-1) - Body ground ( (1) ) Shielded - Body ground Shield ground Always Below 1 V CDR+ (R8-2) - GND (R5-7) ( (1) ) B - W-B Sound signal from RSE RSE system is playing A waveform synchronized with sounds is output CDR- (R8-3) - GND (R5-7) ( (1) ) W - W-B Sound signal from RSE RSE system is playing A waveform synchronized with sounds is output CDL+ (R8-4) - GND (R5-7) ( (1) ) R - W-B Sound signal from RSE RSE system is playing A waveform synchronized with sounds is output CDL- (R8-5) - GND (R5-7) ( (1) ) G - W-B Sound signal from RSE RSE system is playing A waveform synchronized with sounds is output MUTE (R8-6) - GND (R5-7) ( (1) ) R-W - W-B MUTE signal from RSE RSE system is playing --> changing Above 3.5 V --> Below 1 V TXM+ (R8-9) - GND (R5-7) ( (1) ) P - W-B AVC-LAN communication signal Turn ignition switch to ACC 2 to 3 V TXM- (R8-10) - GND (R5-7) ( (1) ) V - W-B AVC-LAN communication signal Turn ignition switch to ACC 2 to 3V FR+ (R2-1) - GND (R2-7) ( (2) ) LG - W-B Sound signal (Front Right) Audio system is playing A waveform synchronized with sounds is output FL+ (R2-2) - GND (R2-7) ( (2) ) P - W-B Sound signal (Front Left) Audio system is playing A waveform synchronized with sounds is output ACC (R2-3) - GND (R2-7) ( (2) ) GR - W-B Accessory (ON) Turn ignition switch OFF --> ACC Below 1 V --> 10 to 14 V +B (R2-4) - GND (R2-7) ( (2) ) L-Y - W-B Battery Always 10 to 14 V FR- (R2-5) - GND (R2-7) ( (2) ) L - W-B Sound signal (Front Right) Audio system is playing A waveform synchronized with sounds is output FL- (R2-6) - GND (R2-7) ( (2) ) V - W-B Sound signal (Front Left) Audio system is playing A waveform synchronized with sounds is output GND (R2-7) - Body ground ( (2) ) W-B - Body ground Ground Always Below 1 V ILL+ (R2-10) - GND (R2-7) ( (2) ) G - W-B Illumination signal Light control switch OFF --> TAIL or HEAD Below 1 V --> 10 to 14 V RR+ (R3-1) - GND (R2-7) ( (2) ) R - W-B Sound signal (Rear Right) Audio system is playing A waveform synchronized with sounds is output RL+ (R3-2) - GND (R2-7) ( (2) ) B - W-B Sound signal (Rear Left) Audio system is playing A waveform synchronized with sounds is output RR- (R3-3) - GND (R2-7) ( (2) ) W - W-B Sound signal (Rear Right) Audio system is playing A waveform synchronized with sounds is output ILL- (R3-5) - GND (R2-7) ( (2) ) W-G - W-B Illumination (rheostat) signal Light control switch OFF --> TAIL or HEAD Below 1V --> Pulse generation RL- (R3-6) - GND (R2-7) ( (2) ) Y - W-B Sound signal (Rear Left) Audio system is playing A waveform synchronized with sounds is output SPD (R4-3) - GND (R2-7) ( (2) ) V-W - W-B Speed signal from combination meter Turn ignition switch to ON. Turn drive wheels slowly. Pulse generation SWG (R4-6) - GND (R2-7) ( (2) ) Y - W-B Steering pad switch ground Always Below 1 V SW1 (R4-7) - GND (R2-7) ( (2) ) LG - W-B Steering pad switch signal Steering pad witch not operated 4 V or more --> SEEK+ switch pushed --> Approx. 0.5 V --> SEEK- switch pushed --> Approx. 0.9 V --> VOL+ switch pushed --> Approx. 2.0 V --> VOL- switch pushed --> Approx. 3.4 V SW2 (R4-8) - GND (R2-7) ( (2) ) L - W-B Steering pad switch signal Steering pad switch not operated --> MODE switch pushed 4 V or --> Below 2.5 V ARI (R4-15) - GND (R2-7) ( (2) ) P - W-B Sound signal (Right) External device is playing (When stereo jack is used) A waveform synchronized with sounds is output ASGN (R4-16) - GND (R2-7) ( (2) ) BR - W-B Shield ground Always Below 1 V ALI (R4-17) - GND (R2-7) ( (2) ) L - W-B Sound signal (Left) External device is playing (When stereo jack is used) A waveform synchronized with sounds is output AUXI (R4-19) - GND (R2-7) ( (2) ) G - W-B External device connection detection signal External device is connected Below 1 V (1) with Rear Seat Entertainment System (2) without Rear Seat Entertainment System
  3. STEREO COMPONENT AMPLIFIER STEREO COMPONENT AMPLIFIER ECU CONNECTOR TERMINALS Symbols (Terminal No.) Wiring Color Terminal Description Condition Specification MUTE (S11-1) - GND2 (S10-15) GR-B - W-B Mute signal from radio receiver Audio system is playing --> Changing Above 3.5 V --> Below 1 V L - (S11-2) - GND2 (S10-15) R - W-B Sound signal (Left) Audio system is playing A waveform synchronized with sounds is output L+ (S11-3) - GND2 (S10-15) G - W-B Sound signal (Left) Audio system is playing A waveform synchronized with sounds is output R- (S11-4) - GND2 (S10-15) B - W-B Sound signal (Right) Audio system is playing A waveform synchronized with sounds is output R+ (S11-5) - GND2 (S10-15) W - W-B Sound signal (Right) Audio system is playing A waveform synchronized with sounds is output TX- (S11-7) - GND2 (S10-15) LG-R - W-B AVC-LAN communication signal Turn ignition switch to ACC 2 to 3V TX+ (S11-8) - GND2 (S10-15) LG-B - W-B AVC-LAN communication signal Turn ignition switch to ACC 2 to 3V SPD (S11-11) - GND2 (S10-15) V-W - W-B Speed signal from combination meter Turn ignition switch to ON. Turn drive wheels slowly. Pulse generation ACC (S11-12) - GND2 (S10-15) GR - W-B Accessory (ON) Turn ignition switch OFF --> ACC Below 1V --> 10 to 14 V B+ (S10-1) - GND2 (S10-15) L-R - W-B Battery Always 10 to 14 V SUR+ (S10-2) - GND2 (S10-15) W - W-B Sound signal (Rear No. 2 Speaker) Audio system is playing A waveform synchronized with sounds is output CTR+ (S10-3) - GND2 (S10-15) L-B - W-B Sound signal (Front Center) Audio system is playing A waveform synchronized with sounds is output RL+ (S10-4) - GND2 (S10-15) B - W-B Sound signal (Rear Left) Audio system is playing A waveform synchronized with sounds is output RR+ (S10-5) - GND2 (S10-15) R - W-B Sound signal (Rear Right) Audio system is playing A waveform synchronized with sounds is output FL+ (S10-6) - GND2 (S10-15) P - W-B Sound signal (Front Left) Audio system is playing A waveform synchronized with sounds is output FR+ (S10-7) - GND2 (S10-15) LG - W-B Sound signal (Front Right) Audio system is playing A waveform synchronized with sounds is output WF2+ (S10-8) - GND2 (S10-15) R-L - W-B Sound signal (Woofer Box) Audio system is playing A waveform synchronized with sounds is output WF1+ (S10-9) - GND2 (S10-15) L-Y - W-B Sound signal (Woofer Box) Audio system is playing A waveform synchronized with sounds is output B2+ (S10-10) - GND2 (S10-15) L-R - W-B Battery Always A waveform synchronized with sounds is output SUR- (S10-11) - GND2 (S10-15) L - W-B Sound signal (Rear No. 2 Speaker) Audio system is playing 10 to 14 V CTR- (S10-12) - GND2 (S10-15) L-R - W-B Sound signal (Front Center) Audio system is playing A waveform synchronized with sounds is output RL- (S10-13) - GND2 (S10-15) Y - W-B Sound signal (Rear Left) Audio system is playing A waveform synchronized with sounds is output RR- (S10-14) - GND2 (S10-15) W - W-B Sound signal (Rear Right) Audio system is playing A waveform synchronized with sounds is output GND2 (S10-15) - Body ground W-B - Body ground Ground Always Below 1 V GND (S10-16) - Body ground W-B - Body ground Ground Always Below 1 V FL- (S10-17) - GND2 (S10-15) V - W-B Sound signal (Front Left) Audio system is playing A waveform synchronized with sounds is output FR- (S10-18) - GND2 (S10-15) L - W-B Sound signal (Front Right) Audio system is playing A waveform synchronized with sounds is output WF2- (S10-19) - GND2 (S10-15) W-L - W-B Sound signal (Woofer Box) Audio system is playing A waveform synchronized with sounds is output WF1- (S10-20) - GND2 (S10-15) L-W - W-B Sound signal (Woofer Box) Audio system is playing A waveform synchronized with sounds is output
  4. TELEVISION DISPLAY ASSEMBLY (See «TERMINALS OF ECU»(ref-282152-S24359253732008032900000) )