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 > Rear Axle Hub: Installation
INSTALLATION
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the RH side and LH side.
The following procedure is for the LH side.
PROCEDURE
1. INSTALL REAR AXLE HUB AND BEARING ASSEMBLY
(a) Install the rear axle hub and bearing assembly and rear disc brake dust cover ...
Toyota CH-R Service Manual > Lighting System: Terminals Of Ecu
TERMINALS OF ECU
*A
Main Body ECU (Multiplex Network Body ECU) with 2 Connectors
-
-
*1
Main Body ECU (Multiplex Network Body ECU) with 2 Connectors
-
-
*a
2 Connectors
...