Last Modified: 04-05-2023 |
6.11:8.1.0 |
Doc ID: RM100000000VIHO |
Model Year Start: 2016 |
Model: Sienna |
Prod Date Range: [12/2015 - 08/2016] |
Title: CRUISE CONTROL: DYNAMIC RADAR CRUISE CONTROL SYSTEM: TERMINALS OF ECU; 2016 MY Sienna [12/2015 - 08/2016] |
TERMINALS OF ECU
1. CHECK DRIVING SUPPORT ECU
Terminal No. (Symbol)
|
Wiring Color
|
Terminal Description
|
Condition
|
Specified Condition
|
A44-30 (B) - A44-25 (GND)
|
L - BR
|
Battery
|
Always
|
11 to 14 V
|
A44-39 (CA2H) - A44-25 (GND)
|
R - BR
|
CAN communication signal
|
Ignition switch ON
|
Pulse generation
(See waveform 1)
|
A44-17 (CA2L) - A44-25 (GND)
|
W - BR
|
CAN communication signal
|
Ignition switch ON
|
Pulse generation
(See waveform 2)
|
A44-25 (GND) - Body ground
|
BR - Body ground
|
Ground
|
Always
|
Below 1 V
|
A44-7 (MODE) - A44-25 (GND)
|
W - BR
|
Steering pad switch signal (Distance control switch signal)
|
Ignition switch ON, Steering pad switch signal ON
|
0 to 2 V
|
Ignition switch ON, Steering pad switch signal OFF
|
11 to 14 V
|
A44-18 (CA1N) - A44-25 (GND)
|
W - BR
|
CAN communication signal
|
Ignition switch ON
|
Pulse generation
(See waveform 3)
|
A44-40 (CA1P) - A44-25 (GND)
|
B - BR
|
CAN communication signal
|
Ignition switch ON
|
Pulse generation
(See waveform 4)
|
A44-32 (WIP2) - A44-25 (GND)
|
L - BR
|
Wiper switch signal
|
Ignition switch ON, wiper switch HI position
|
11 to 14 V
|
Ignition switch ON, wiper switch LO position
|
6 to 9 V
|
(a) Waveform 1
(1) CAN communication signal
Item
|
Content
|
Tester Name
|
A44-39 (CA2H) - A44-25 (GND)
|
Tester Range
|
1 V/DIV., 10 μsec./DIV.
|
Condition
|
Ignition switch ON
|
HINT:
The waveform varies depending on the CAN communication signal.
(b) Waveform 2
(1) CAN communication signal
Item
|
Content
|
Tester Name
|
A44-17 (CA2L) - A44-25 (GND)
|
Tester Range
|
1 V/DIV., 10 μsec./DIV.
|
Condition
|
Ignition switch ON
|
HINT:
The waveform varies depending on the CAN communication signal.
(c) Waveform 3
(1) CAN communication signal
Item
|
Content
|
Tester Name
|
A44-18 (CA1N) - A44-25 (GND)
|
Tester Range
|
1 V/DIV., 10 μsec./DIV.
|
Condition
|
Ignition switch ON
|
(d) Waveform 4
(1) CAN communication signal
Item
|
Content
|
Tester Name
|
A44-40 (CA1P) - A44-25 (GND)
|
Tester Range
|
1 V/DIV., 10 μsec./DIV.
|
Condition
|
Ignition switch ON
|
2. CHECK ECM
Terminal No. (Symbol)
|
Wiring Color
|
Terminal Description
|
Condition
|
Specified Condition
|
A39-16 (TC) - B1-81 (E1)
|
P - BR
|
Ground
|
Ignition switch ON
|
10 to 14 V
|
Terminals TC and CG of DLC3 connected
|
Below 1 V
|
A39-35 (ST-) - B1-81 (E1)
|
LG - BR
|
Stop light signal
|
Ignition switch ON, Brake pedal depressed (Stop light switch on)
|
Below 1 V
|
Ignition switch ON, Brake pedal released (Stop light switch off)
|
10 to 14 V
|
A39-36 (STP) - B1-81 (E1)
|
L - BR
|
Stop light signal
|
Ignition switch ON, Brake pedal released (Stop light switch off)
|
Below 1 V
|
Ignition switch ON, Brake pedal depressed (Stop light switch on)
|
10 to 14 V
|
A39-37 (CCHG) - B1-81 (E1)
|
P - BR
|
Distance control switch signal
|
Ignition switch ON, Cruise control main switch on, MODE switch on
|
Below 1 V
|
Ignition switch ON, Cruise control main switch on, MODE switch off
|
10 to 14 V
|
A39-44 (LGND) - Body ground
|
R - Body ground
|
Ground
|
Always
|
Below 1 Ω
|
A39-45 (CCS) - B1-81 (E1)
|
B - BR
|
Cruise control main switch signal
|
Ignition switch ON
|
10 to 14 V
|
Ignition switch ON, CANCEL switch on
|
6.6 to 10.1 V
|
Ignition switch ON, - SET switch on
|
4.5 to 7.1 V
|
Ignition switch ON, + RES switch on
|
2.3 to 4.0 V
|
Ignition switch ON, Main switch on
|
Below 1 V
|
B1-81 (E1) - Body ground
|
BR - Body ground
|
Ground
|
Always
|
Below 1 Ω
|
If the value is not within the specified range, the ECM may have a malfunction.
|