TERMINALS OF ECU
AIR CONDITIONING AMPLIFIER ASSEMBLY
HINT:
Check from the rear of the connector while it is connected to the air conditioning amplifier assembly.
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
F138-1 (SG-1) - Body ground |
LG - Body ground |
Ground for cooler thermistor (room temperature sensor) |
Always |
Below 1 V |
F138-2 (SG-2) - Body ground |
G - Body ground |
Ground for air conditioner pressure sensor |
Always |
Below 1 V |
F138-6 (S5-3) - F138-2 (SG-2) |
GR - G |
Power supply for air conditioner pressure sensor |
Ignition switch ON |
4.75 to 5.25 V |
Ignition switch off |
Below 1 V |
|||
F138-14 (TR) - F138-1 (SG-1) |
B - LG |
Cooler thermistor (room temperature sensor) signal |
|
1.8 to 2.2 V |
|
1.2 to 1.6 V |
|||
F138-24 (PRE) - F138-2 (SG-2) |
V - G |
Air conditioner pressure sensor signal |
|
4.61 V or higher |
|
Below 0.74 V |
|||
|
0.74 to 4.61 V |
|||
F139-1 (B) - F139-4 (GND) |
V - W-B |
Power source (Back-up) |
Always |
11 to 14 V |
F139-2 (IG+) - F139-4 (GND) |
B - W-B |
Power source (IG) |
Ignition switch ON |
11 to 14 V |
Ignition switch off |
Below 1 V |
|||
F139-3 (SOL+) - F139-4 (GND) |
B - W-B |
Compressor solenoid operation signal |
|
Pulse generation (See waveform 1) |
F139-4 (GND) - Body ground |
W-B - Body ground |
Ground for main power supply |
Always |
Below 1 V |
F139-6 (BLW) - F139-4 (GND) |
Y - W-B |
Blower motor speed control signal |
|
Pulse generation (See waveform 2) |
F139-11 (CANH) - F139-12 (CANL) |
P - SB |
CAN communication signal |
CAN communication is performed |
Pulse generation |
F139-14 (LIN1) - F139-4 (GND) |
BE - W-B |
LIN communication signal (Air conditioning control assembly) |
Ignition switch ON |
Pulse generation (See waveform 3) |
m1-2 (BUSG) - Body ground |
B - Body ground |
Ground for BUS IC |
Always |
Below 1 V |
m1-3 (BUS) - m1-2 (BUSG) |
L - B |
BUS IC control signal |
Ignition switch ON |
Pulse generation (See waveform 4) |
m1-4 (BUSB) - m1-2 (BUSG) |
R - B |
Power supply for BUS IC |
Always |
11 to 14 V |
m1-5 (SG-4) - Body ground |
GR - Body ground |
Ground for No. 1 cooler thermistor (evaporator temperature sensor) |
Always |
Below 1 V |
m1-6 (TE) - m1-5 (SG-4) |
GR - GR |
No. 1 cooler thermistor (evaporator temperature sensor) |
|
1.7 to 2.1 V |
|
0.9 to 1.3 V |
(a) Waveform 1:
Item |
Content |
---|---|
Terminal No. (Symbol) |
F139-3 (SOL+) - F139-4 (GND) |
Tool Setting |
5 V/DIV., 500 μs/DIV. |
Vehicle Condition |
|
(b) Waveform 2:
Item |
Content |
---|---|
Terminal No. |
F139-6 (BLW) - F139-4 (GND) |
Tool Setting |
2 V/DIV., 1 ms./DIV. |
Vehicle Condition |
|
(c) Waveform 3:
Item |
Content |
---|---|
Terminal No. |
F139-14 (LIN1) - F139-4 (GND) |
Tool Setting |
2 V/DIV., 20 ms./DIV. |
Vehicle Condition |
Ignition switch ON |
(d) Waveform 4:
Item |
Content |
---|---|
Terminal No. |
m1-3 (BUS) - m1-2 (BUS G) |
Tool Setting |
2 V/DIV., 2 ms./DIV. |
Vehicle Condition |
Ignition switch ON |
AIR CONDITIONING CONTROL ASSEMBLY
HINT:
Check from the rear of the connector while it is connected to the air conditioning control assembly.
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
F61-16 (GND) - Body ground |
W-B - Body ground |
Ground for air conditioning control assembly |
Always |
Below 1 V |
F61-2 (LIN1) - Body ground |
BE - Body ground |
LIN communication signal |
Ignition switch ON |
Pulse generation (See waveform 1) |
F61-10 (IG+) - F61-16 (GND) |
BE - W-B |
Power source (IG) |
Ignition switch off |
Below 1 V |
Ignition switch ON |
11 to 14 V |
(a) Waveform 1:
Item |
Content |
---|---|
Terminal No. |
F61-2 (LIN1) - Body ground |
Tool Setting |
2 V/DIV., 20 ms./DIV. |
Vehicle Condition |
Ignition switch ON |
Toyota CH-R Service Manual > Vehicle Stability Control System: TC and CG Terminal Circuit
DESCRIPTION
Connecting terminals TC and CG of the DLC3 causes the ECU to display DTCs by
blinking the ABS warning and slip indicator lights.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
When replacing the skid control ECU (brake actuator assembly), perform system
variant learning.
Clic ...
Toyota CH-R Service Manual > Spiral Cable: Components
COMPONENTS
ILLUSTRATION
*1
LOWER STEERING COLUMN COVER SUB-ASSEMBLY
*2
SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY
*3
UPPER STEERING COLUMN COVER
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