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05-1426
DIAGNOSTICS - REAR SEAT ENTERTAINMENT SYSTEM
05BVC-02
TERMINALS OF ECU
1. MULTI-DISPLA Y CONTROLLER SUB-ASSY
R26
R27 R28
I34999
Symbols (Terminals No.) Wiring Color Condition Specification
A waveform synchro-
R26-7 - R26-29
W-Y DVD system is playing (Front display) nized with sound is out-
(L- - GND)
put
A waveform synchro-
R26-8 - R26-29
W-Y DVD system is playing (Front display) nized with sound is out-
(L+ - GND)
put
A waveform synchro-
R26-9 - R26-29
W-Y DVD system is playing (Front display) nized with sound is out-
(R- - GND)
put
A waveform synchro-
R26-10 - R26-29
W-Y DVD system is playing (Front display) nized with sound is out-
(R+ - GND)
put
R26-11 - Body ground Shielded - Body
Always Below 1 V
(SG1 - Body ground) ground
R26-12 - R26-29
LG - Y DVD system is changing (Front display) Below 1 V
(LMUT - GND)
R26-16 - R26-29
Y-Y Always 10 to 14 V
(+B1 - GND)
LG - Body
R26-17 (TX3+) - Body ground Ignition switch to ACC 2 to 3 V
ground
R26-18 (TX3-) - Body ground W - Body ground Ignition switch to ACC 2 to 3 V
R26-19 - Body ground Shielded - Body
Always Below 1 V
(SGN1 - Body ground) (*1) ground
R26-20 - Body ground GR - Body
Always Below 1 V
(SG3 - Body ground) (*1) ground
R26-21 - R26-29
W-Y DVD system is displayed (Front display) Pulse generation
(NTS1 - GND) (*1)
A waveform synchro-
R26-23 - R26-29
W-Y Audio system is playing nized with sound is out-
(R-L- - GND)
put
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1609
05-1427
DIAGNOSTICS - REAR SEAT ENTERTAINMENT SYSTEM
Symbols (Terminals No.) Wiring Color Condition Specification
A waveform synchro-
R26-24 - R26-29
W-Y Audio system is playing nized with sound is out-
(R-L+ - GND)
put
A waveform synchro-
R26-25 - R26-29
W-Y Audio system is playing nized with sound is out-
(R-R- - GND)
put
A waveform synchro-
R26-26 - R26-29
W-Y Audio system is playing nized with sound is out-
(R-R+ - GND)
put
R26-27 - Body ground Shielded - Body
Always Below 1 V
(SG2 - Body ground) ground
R26-28 - R26-29
LG - Y Audio system is changing Below 1 V
(RMUT - GND)
R26-29 - Body ground
Y - Body ground Always Below 1 V
(GND - Body ground)
R26-32 - R26-29
LG - Y Ignition switch to ACC 10 to 14 V
(ACC - GND)
R27-1 - R26-29
LG - Y DVD system is changing Below 1 V
(MUTE - GND)
A waveform synchro-
R27-2 - R26-29
W-Y DVD system is playing nized with sound is out-
(AL- - GND)
put
A waveform synchro-
R27-3 - R26-29
W-Y DVD system is playing nized with sound is out-
(AL+ - GND)
put
A waveform synchro-
R27-4 - R26-29
W-Y DVD system is playing nized with sound is out-
(AR- - GND)
put
A waveform synchro-
R27-5 - R26-29
W-Y DVD system is playing nized with sound is out-
(AR+ - GND)
put
R27-6 - Body ground Shielded - Body
Always Below 1 V
(SG4 - Body ground) ground
R27-7 - Body ground LG - Body
Always Below 1 V
(SELD - Body ground) ground
R27-8 - R26-29
W-Y DVD system is displayed Pulse generation
(NTS2 - GND)
R27-9 - Body ground GR - Body
Always Below 1 V
(SGN2 - Body ground) ground
R27-10 - Body ground
Shielded - Body
(SG9 - Body ground) (*1, *3) Always Below 1 V
ground
(SG8 - Body ground) (*2)
A waveform synchro-
R27-16 - R26-29
W-Y RSE system is playing nized with sound is out-
(HPL- - GND)
put
A waveform synchro-
R27-17 - R26-29
W-Y RSE system is playing nized with sound is out-
(HPL+ - GND)
put
A waveform synchro-
R27-18 - R26-29
W-Y RSE system is playing nized with sound is out-
(HPR- - GND)
put
A waveform synchro-
R27-19 - R26-29
W-Y RSE system is playing nized with sound is out-
(HPR+ - GND)
put
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1610
05-1428
DIAGNOSTICS - REAR SEAT ENTERTAINMENT SYSTEM
Symbols (Terminals No.) Wiring Color Condition Specification
R27-20 - Body ground Shielded - Body
Always Below 1 V
(SLD1 - Body ground) ground
R28-1 - R26-29
Y-Y Always 10 to 14 V
(+B2 - GND)
R28-2 - R26-29
LG - Y Ignition switch ON 10 to 14 V
(ACC2 - GND)
A waveform synchro-
R28-3 - R26-29 External device system is playing
LG - Y nized with sound is out-
(GAUX - GND) (At that time of VTR jack use)
put
R28-4 (TX2-) - Body ground W - Body ground Ignition switch to ACC 2 to 3 V
LG - Body
R28-5 (TX2+) - Body ground Ignition switch to ACC 2 to 3 V
ground
R28-6 - Body ground
Y - Body ground Always Below 1 V
(GND1 - Body ground)
R28-7 - Body ground Shielded - Body
Always Below 1 V
(SG5 - Body ground) ground
A waveform synchro-
R28-8 - R26-29
W-Y RSE system is playing nized with sound is out-
(HP1L - GND)
put
A waveform synchro-
R28-9 - R26-29
W-Y RSE system is playing nized with sound is out-
(HP1R - GND)
put
R28-10 - Body ground Shielded - Body
Always Below 1 V
(SG7 - Body ground) ground
A waveform synchro-
R28-11 - R26-29 External device system is playing
W-Y nized with sound is out-
(AUXL - GND) (At that time of VTR jack use)
put
A waveform synchro-
R28-12 - R26-29 External device system is playing
W-Y nized with sound is out-
(AUXR - GND) (At that time of VTR jack use)
put
R28-13 - R26-29 Rear display is displayed
W-Y Pulse generation
(R2 - GND) (Television display assy)
R28-14 - R26-29 Rear display is displayed
W-Y Pulse generation
(G2 - GND) (Television display assy)
R28-15 - R26-29 Rear display is displayed
W-Y Pulse generation
(B2 - GND) (Television display assy)
R28-16 - R26-29 Rear display is displayed
W-Y Pulse generation
(SYN2 - GND) (Television display assy)
R28-17 - Body ground GR - Body
Always Below 1 V
(VR2 - Body ground) ground
R28-18 - Body ground Shielded - Body
Always Below 1 V
(VG2 - Body ground) ground
R28-19 - Body ground Shielded - Body
Always Below 1 V
(SG6 - Body ground) ground
A waveform synchro-
R28-20 - R26-29
W-Y RSE system is playing nized with sound is out-
(HP2L - GND)
put
A waveform synchro-
R28-21 - R26-29
W-Y RSE system is playing nized with sound is out-
(HP2R - GND)
put
R28-22 - Body ground Shielded - Body
Always Below 1 V
(SG6 - Body ground) ground
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1611
05-1429
DIAGNOSTICS - REAR SEAT ENTERTAINMENT SYSTEM
Symbols (Terminals No.) Wiring Color Condition Specification
R28-23 - Body ground GR - Body
Always Below 1 V
(SGN5 - Body ground) ground
R28-24 - R26-29 External device system displayed
W-Y Pulse generation
(NTS4 - GND) (At that time of VTR jack use)
HINT:
S *1: 10 Speaker w/ Navigation system
S *2: 10 Speaker w/o Navigation system
S *3: 6 Speaker
2. TELEVISION DISPLAY ASSY
R25
I35015
Symbols (Terminals No.) Wiring Color Condition Specification
R25-1 - R25-6
Y-Y Always 10 to 14 V
(+B - GND)
R25-2 - R25-6
LG - Y Ignition switch ON 10 to 14 V
(ACC - GND)
R25-4 (TX-) - Body ground W - Body ground Ignition switch to ACC 2 to 3 V
LG - Body
R25-5 (TX+) - Body ground Ignition switch to ACC 2 to 3 V
ground
R25-6 - Body ground
Y - Body ground Always Below 1 V
(GND - Body ground)
A waveform synchro-
R25-7 - R25-6
W-Y While voice sound is being produced nized with sound is out-
(HP1R - GND)
put
A waveform synchro-
R25-8 - R25-6
W-Y While voice sound is being produced nized with sound is out-
(HP1L - GND)
put
R25-9 - Body ground Shielded - Body
Always Below 1 V
(S. GND - Body ground) ground
R25-10 - Body ground Shielded - Body
Always Below 1 V
(SLD - Body ground) ground
A waveform synchro-
R25-11 - R25-6
W-Y DVD system is playing nized with sound is out-
(R+ - GND)
put
A waveform synchro-
R25-12 - R25-6
W-Y DVD system is playing nized with sound is out-
(R- - GND)
put
A waveform synchro-
R25-13 - R25-6
W-Y DVD system is playing nized with sound is out-
(L+ - GND)
put
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1612
05-1430
DIAGNOSTICS - REAR SEAT ENTERTAINMENT SYSTEM
Symbols (Terminals No.) Wiring Color Condition Specification
A waveform synchro-
R25-14 - R25-6
W-Y DVD system is playing nized with sound is out-
(L- - GND)
put
R25-15 - R25-6
LG - Y DVD system is changing Below 1 V
(MUTE - GND)
R25-17 - Body ground Shielded - Body
Always Below 1 V
(VG - Body ground) ground
R25-18 - Body ground GR - Body
Always Below 1 V
(VR - Body ground) ground
R25-19 - R25-18
W - GR Rear display is displayed Pulse generation
(SYNC - VR)
R25-20 - R25-18
W - GR Rear display is displayed Pulse generation
(B - VR)
R25-21 - R25-18
W - GR Rear display is displayed Pulse generation
(G - VR)
R25-22 - R25-18
W - GR Rear display is displayed Pulse generation
(R - VR)
A waveform synchro-
R25-23 - R25-6
W-Y While voice sound is being produced nized with sound is out-
(HP2R - GND)
put
A waveform synchro-
R25-24 - R25-6
W-Y While voice sound is being produced nized with sound is out-
(HP2L - GND)
put
R25-25 - Body ground Shielded - Body
Always Below 1 V
(SLD - Body ground) ground
A waveform synchro-
R25-26 - R25-6
W-Y While voice sound is being produced nized with sound is out-
(HPR+ - GND)
put
A waveform synchro-
R25-27 - R25-6
W-Y While voice sound is being produced nized with sound is out-
(HPR- - GND)
put
A waveform synchro-
R25-28 - R25-6
W-Y While voice sound is being produced nized with sound is out-
(HPL+ - GND)
put
A waveform synchro-
R25-29 - R25-6
W-Y While voice sound is being produced nized with sound is out-
(HPL- - GND)
put
R25-30 - Body ground Shielded - Body
Always Below 1 V
(SLD - Body ground) ground
R25-31 - Body ground GR - Body
Always Below 1 V
(S. GND - Body ground) ground
R25-32 - R25-6
W-Y DVD system is displayed Pulse generation
(NTSC - GND)
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1613
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