Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Sienna 2004-2007 Approved SRM 04 05 2021t terecu40
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05-2003
DIAGNOSTICS - DYNAMIC LASER CRUISE CONTROL SYSTEM
05BE4-02
TERMINALS OF ECU
1. DISTANCE CONTROL ECU
D2
I34896
Symbols (Terminals No.) Wiring Color Condition Specified Condition
D2-1 - D2-12
B-R - BR Always 10 to 14 V
(B - GND)
D2-2 - D2-12 Ignition switch ON Below 1 V
L-O - BR
(WIP2 - GND) Wiper switch OFF HI 10 to 14 V
D2-3 - D2-12 Ignition switch ON 10 to 14 V
L-Y - BR
(WASH - GND) Washer switch OFF ON Below 1 V
D2-10 - Body ground BR -
Always Below 1
(SGND - Body ground) Body ground
D2-12 - Body ground BR -
Always Below 1
(GND - Body ground) Body ground
D2-13 - D2-12
W-L - BR Ignition switch ON 10 to 14 V
(IGB - GND)
D2-16 - D2-12 Ignition switch ON 10 to 14 V
W - BR
(MODE - GND) Distance control switch OFF ON Below 1 V
D2-22 - D2-12
G - BR Ignition switch ON Pulse generation (*1)
(LRDD - GND)
D2-23 - D2-12
Y - BR Ignition switch ON Pulse generation (*2)
(LRRD - GND)
D2-24 - D2-12
B-W - BR Ignition switch ON Pulse generation (*3)
(ELC - GND)
D2-25 - D2-12
W-R - BR Ignition switch ON Pulse generation (*4)
(LCS - GND)
(a) Reference: Oscilloscope wave form (*1)
HINT:
S Terminal: LRDD - GND
S Gauge set: 2 V/DIV, 10 ms/DIV
S Condition: Ignition switch ON
E35177
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 2186
05-2004
DIAGNOSTICS - DYNAMIC LASER CRUISE CONTROL SYSTEM
(b) Reference: Oscilloscope wave form (*2)
HINT:
S Terminal: LRRD - GND
S Gauge set: 2 V/DIV, 5 ms/DIV
S Condition: Ignition switch ON
E35176
(c) Reference: Oscilloscope wave form (*3)
5 ms
2V HINT:
S Terminal: ELC - GND
S Gauge set: 2 V/DIV, 5 ms/DIV
S Condition: Ignition switch ON
GND
I34897
2V 5 ms (d) Reference: Oscilloscope wave form (*4)
HINT:
S Terminal: LCS - GND
S Gauge set: 2 V/DIV, 5 ms/DIV
S Condition: Ignition switch ON
GND
I34898
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 2187
05-2005
DIAGNOSTICS - DYNAMIC LASER CRUISE CONTROL SYSTEM
2. ECM
E8 E7 E6 E5 E4
I30693
Symbols (Terminals No.) Wiring Color Condition Specified Condition
E1 - Body ground BR - Body
Always Below 1
(E6-1 - Body ground) ground
LGND - Body ground
Y - Body ground Always Below 1
(E6-18 - Body ground)
LCS - E1
W R - BR
W-R I iti switch ON
Ignition it h Pulse
P l generation (*1)
ti
(E6-19 - E6-1)
Ignition switch ON
Cruise control main switch ON Below 1 V
CCHG - E1 MODE switch ON
P - BR
(E6-28 - E6-1) Ignition switch ON
Cruise control main switch ON 10 to 14 V
MODE switch OFF
ELC - E1
B-W - BR Ignition switch ON Pulse generation (*2)
(E6-29 - E6-1)
Brake pedal depressed
Below 1 V
ST1- - E1 (Stop lamp switch ON)
LG-R
LG R - BR
(E5-12 - E6-1) Brake pedal released
10 to 14 V
(Stop lamp switch OFF)
Below 1.5 V
SPD - E1 Engine start Car stoppage
VW
V-W - BR 4.7 to 16 V
(E5-17 E6 1)
(E5 17 - E6-1)
During driving (Pulse generated) 3 to 7 V
Brake pedal released
Below 1 V
STP - E1 (Stop lamp switch OFF)
G-W
G W - BR
(E5-19 - E6-1) Brake pedal depressed
10 to 14 V
(Stop lamp switch ON)
Ignition switch ON 10 to 16 V
CANCEL switch ON 6.6 to 10.1 V
CCS - E1
B - BR -/SET switch ON 4.5 to 7.1 V
(E5-24 - E6-1)
+/RES switch ON 2.3 to 4.0 V
Main switch ON Below 1 V
ENG+ - ENG-
P-V Ignition switch ON Pulse generation
(E4-24 - E4-30)
TRC+ - TRC-
LG-B - LG-R Ignition switch ON Pulse generation
(E4-25 - E4-31)
If the value is not within the standard range, some defects on the vehicle is suspected.
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 2188
05-2006
DIAGNOSTICS - DYNAMIC LASER CRUISE CONTROL SYSTEM
(a) Reference: Oscilloscope wave form (*1)
1V 20 ms
HINT:
S Terminal: LCS - E1
S Gauge set: 1 V/DIV, 20 ms/DIV
S Condition: Ignition switch ON
GND
I34899
(b) Reference: Oscilloscope wave form (*2)
1V 20 ms
HINT:
S Terminal: ELC - E1
S Gauge set: 1 V/DIV, 20 ms/DIV
S Condition: Ignition switch ON
GND
I34899
3. LASER RADAR SENSOR
L1
E15647 E30731
Symbols (Terminal No.) Wiring Color Condition Specified Condition
LGND - Body ground
R - Body ground Always Below 1
(L1-1 - Body ground)
SGND - Body ground BR -
Always Below 1
(L1-2 - Body ground) Body ground
LRDD - SGND
G - BR Ignition switch ON Pulse generation (*1)
(L1-3 - L1-2)
LRRD - SGND
Y - BR Ignition switch ON Pulse generation (*2)
(L1-4 - L1-2)
IGB - SGND
W-L - BR Ignition switch ON 10 to 14 V
(L1-5 - L1-2)
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 2189
05-2007
DIAGNOSTICS - DYNAMIC LASER CRUISE CONTROL SYSTEM
(a) Reference: Oscilloscope wave form (*1)
HINT:
S Terminal: LRDD - SGND
S Gauge set: 1 V/DIV, 2 ms/DIV
S Condition: Ignition switch ON
E35172
(b) Reference: Oscilloscope wave form (*2)
HINT:
S Terminal: LRRD - SGND
S Gauge set: 1 V/DIV, 2 ms/DIV
S Condition: Ignition switch ON
E35173
4. BRAKE ACTUATOR ASSY (SKID CONTROL ECU)
S3
F45080
Symbols (Terminals No.) Wiring Color Condition Specified Condition
Ignition switch ON Below 1.0 V
Skid control buzzer is sounded 10 to 14 V
BZ (S3 - 30) - GND1 (S3 - 32) G-O W B
G O - W-B
Ignition switch ON
10 to 14 V
Skid control buzzer is not sounded
ENG+ (S3 - 9) - ENG- (S3 -
P-V Ignition switch ON Pulse generation
23)
TRC+ (S3 - 8) - TRC- (S3 -
LG-B - LG-R Ignition switch ON Pulse generation
22)
STPO (S3 - 16) - GND1- (S3
W-R - W-B Ignition switch ON 10 to 14 V
- 32)
Brake pedal released
Below 1.0 V
STP2 (S3 - 21) - GND1 (S3 - (Stop lamp switch OFF)
G-Y W B
G Y - W-B
32) Brake pedal depressed
10 to 14 V
(Stop lamp switch ON)
Below 1.0 V
Ignition switch OFF ON
STP1 (S3 - 27) - GND1 (S3 - 10 to 14 V
G-W W B
G W - W-B
32) Ignition switch OFF
10 to 14 V
Brake pedal depressed (Stop lamp switch ON)
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 2190
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