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 |
---|---|---|---|---|
F72-1 (B) - Body ground |
V - Body ground |
Power source (Back-up) |
Always |
11 to 14 V |
F72-3 (LIN1) - F72-29 (GND) |
L - W-B |
LIN communication signal (Air conditioning control assembly) |
Ignition switch ON |
Pulse generation (See waveform 1) |
F72-5 (IG+) - Body ground |
B - Body ground |
Power Source (IG) |
Ignition switch ON |
11 to 14 V |
Ignition switch off |
Below 1 V |
|||
F72-9 (CANH) - F72-10 (CANL) |
P - SB |
CAN communication |
CAN communication is performed |
Pulse generation |
F72-15 (SOL-) - F72-29 (GND) |
L - W-B |
Compressor solenoid operation |
|
Pulse generation (See waveform 2) |
F72-17 (NAIN) - F72-29 (GND)*1 |
W - W-B |
Input of status of ion generator sub-assembly |
|
3.5 to 5 V |
|
Below 2 V |
|||
F72-19 (PTC1) - F72-29 (GND)*2 |
L - W-B |
Output for driving PTC1 heater relay |
|
Below 1 V |
|
11 to 14 V |
|||
F72-20 (PTC3) - F72-29 (GND)*2 |
BR - W-B |
Output for driving PTC3 heater relay |
|
Below 1 V |
|
11 to 14 V |
|||
F72-29 (GND) - Body ground |
W-B - Body ground |
Ground for main power supply |
Always |
Below 1 V |
F72-30 (TR) - F72-31 (SG-1) |
B - LG |
Cooler thermistor (room temperature sensor) |
|
1.8 to 1.6 V |
|
1.0 to 0.8 V |
|||
F72-31 (SG-1) - Body ground |
LG - Body ground |
Ground for cooler thermistor (room temperature sensor) |
Always |
Below 1 V |
F72-32 (SG-2) - Body ground |
G - Body ground |
Ground for air conditioner pressure sensor |
Always |
Below 1 V |
F72-33 (PRE) - F72-32 (SG-2) |
V - G |
Input from refrigerant gas sensor |
|
4.61 V or higher |
|
Below 0.74 V |
|||
|
0.74 to 4.61 V |
|||
F72-34 (S5-3) - F72-32 (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 |
|||
F72-37 (NANO) - F72-29 (GND)*1 |
R - W-B |
Output for driving ion generator sub-assembly |
|
3.5 to 5 V |
|
Below 2 V |
|||
F72-39 (PTC2) - F72-29 (GND)*2 |
V - W-B |
Output for driving PTC2 heater relay |
|
Below 1 V |
|
11 to 14 V |
|||
F7A-2 (B2AI) - Body ground |
- |
Output for driving the motor to switch inlet/outlet B2 |
|
Pulse generation (See waveform 3) |
F7A-3 (A2AI) - Body ground |
- |
Output for driving the motor to switch inlet/outlet A2 |
|
Pulse generation (See waveform 3) |
F7A-4 (A2AO) - Body ground |
- |
Output for driving the motor to switch mode A2 |
|
Pulse generation (See waveform 4) |
F7A-6 (B2AO) - Body ground |
- |
Output for driving the motor to switch mode B2 |
|
Pulse generation (See waveform 4) |
F7A-8 (B1AO) - Body ground |
- |
Output for driving the motor to switch mode B1 |
|
Pulse generation (See waveform 4) |
F7A-9 (A1AI) - Body ground |
- |
Output for driving the motor to switch inlet/outlet A1 |
|
Pulse generation (See waveform 3) |
F7A-10 (B1AI) - Body ground |
- |
Output for driving the motor to switch inlet/outlet B1 |
|
Pulse generation (See waveform 3) |
F7A-12 (BLU) - Body ground |
- |
Power supply to the air mix motor in left upper layer |
Ignition switch ON |
11 to 14 V |
F7A-13 (BAI) - Body ground |
- |
Power supply to the motor to switch inlet/outlet |
Ignition switch ON |
11 to 14 V |
F7A-14 (BLL) - Body ground |
- |
Power supply to the air mix motor in left lower layer |
Ignition switch ON |
11 to 14 V |
F7A-16 (A1AO) - Body ground |
- |
Output for driving the motor to switch mode A1 |
|
Pulse generation (See waveform 4) |
F7A-18 (B2LL) - Body ground |
- |
Output for driving the air mix motor in left lower layer B2 |
|
Pulse generation (See waveform 5) |
F7A-19 (B1LU) - Body ground |
- |
Output for driving the air mix motor in left upper layer B1 |
|
Pulse generation (See waveform 6) |
F7A-20 (A1LL) - Body ground |
- |
Output for driving the air mix motor in left lower layer A1 |
|
Pulse generation (See waveform 5) |
F7A-22 (B1RU) - Body ground |
- |
Output for driving the air mix motor in right upper layer B1 |
|
Pulse generation (See waveform 8) |
F7A-23 (A2RL) - Body ground |
- |
Output for driving the air mix motor in right lower layer A2 |
|
Pulse generation (See waveform 7) |
F7A-24 (A1RU) - Body ground |
- |
Output for driving the air mix motor in right upper layer A1 |
|
Pulse generation (See waveform 8) |
F7A-25 (B2RL) - Body ground |
- |
Output for driving the air mix motor in right lower layer B2 |
|
Pulse generation (See waveform 7) |
F7A-26 (B1RL) - Body ground |
- |
Output for driving the air mix motor in right lower layer B1 |
|
Pulse generation (See waveform 7) |
F7A-27 (A2RU) - Body ground |
- |
Output for driving the air mix motor in right upper layer A2 |
|
Pulse generation (See waveform 8) |
F7A-28 (A1RL) - Body ground |
- |
Output for driving the air mix motor in right lower layer A1 |
|
Pulse generation (See waveform 7) |
F7A-29 (B2RU) - Body ground |
- |
Output for driving the air mix motor in right upper layer B2 |
|
Pulse generation (See waveform 8) |
F7A-30 (A2LU) - Body ground |
- |
Output for driving the air mix motor in left upper layer A2 |
|
Pulse generation (See waveform 6) |
F7A-31 (B2LU) - Body ground |
- |
Output for driving the air mix motor in left upper layer B |
|
Pulse generation (See waveform 6) |
F7A-32 (BAO) - Body ground |
- |
Power supply to the motor to switch mode |
Ignition switch ON |
11 to 14 V |
F7A-33 (BRU) - Body ground |
- |
Power supply to the air mix motor in right upper layer |
Ignition switch ON |
11 to 14 V |
F7A-34 (BRL) - Body ground |
- |
Power supply to the air mix motor in right lower layer |
Ignition switch ON |
11 to 14 V |
F7A-35 (B1LL) - Body ground |
- |
Output for driving the air mix motor in left lower layer B1 |
|
Pulse generation (See waveform 5) |
F7A-36 (A1LU) - Body ground |
- |
Output for driving the air mix motor in left upper layer A1 |
|
Pulse generation (See waveform 6) |
F7A-37 (A2LL) - Body ground |
- |
Output for driving the air mix motor in left lower layer A2 |
|
Pulse generation (See waveform 5) |
F7A-38 (TEA) - F7A-39 (SGA) |
- |
Input No. 1 cooler thermistor |
|
0.5 V |
|
1.6 V |
|||
F7A-39 (SGA) - Body ground |
- |
Ground for No. 1 cooler thermistor |
Always |
Below 1 V |
F7A-40 (BLW) - F72-29 (GND) |
- |
Output for driving Blower motor |
|
Pulse generation (See waveform 9) |
(a) Waveform 1:
Item |
Content |
---|---|
Terminal No. |
F72-3 (LIN1) - F72-29 (GND) |
Tool Setting |
2 V/DIV., 20 ms./DIV. |
Vehicle Condition |
Ignition switch ON |
(b) Waveform 2:
Item |
Content |
---|---|
Terminal No. |
F72-15 (SOL-) - F72-29 (GND) |
Tool Setting |
5 V/DIV., 1 ms./DIV. |
Vehicle Condition |
|
(c) Waveform 3:
Item |
Content |
---|---|
Terminal No. |
F7A-2 (B2AI) - Body ground |
F7A-3 (A2AI) - Body ground |
|
F7A-9 (A1AI) - Body ground |
|
F7A-10 (B1AI) - Body ground |
|
Tool Setting |
2 V/DIV., 10 ms./DIV. |
Vehicle Condition |
|
(d) Waveform 4:
Item |
Content |
---|---|
Terminal No. |
F7A-4 (A2AO) - Body ground |
F7A-6 (B2AO) - Body ground |
|
F7A-8 (B1AO) - Body ground |
|
F7A-16 (A1AO) - Body ground |
|
Tool Setting |
2 V/DIV., 10 ms./DIV. |
Vehicle Condition |
|
(e) Waveform 5:
Item |
Content |
---|---|
Terminal No. |
F7A-18 (B2LL) - Body ground |
F7A-20 (A1LL) - Body ground |
|
F7A-35 (B1LL) - Body ground |
|
F7A-37 (A2LL) - Body ground |
|
Tool Setting |
2 V/DIV., 10 ms./DIV. |
Vehicle Condition |
|
(f) Waveform 6:
Item |
Content |
---|---|
Terminal No. |
F7A-19 (B1LU) - Body ground |
F7A-30 (A2LU) - Body ground |
|
F7A-31 (B2LU) - Body ground |
|
F7A-36 (A1LU) - Body ground |
|
Tool Setting |
2 V/DIV., 10 ms./DIV. |
Vehicle Condition |
|
(g) Waveform 7:
Item |
Content |
---|---|
Terminal No. |
F7A-23 (A2RL) - Body ground |
F7A-25 (B2RL) - Body ground |
|
F7A-26 (B1RL) - Body ground |
|
F7A-28 (A1RL) - Body ground |
|
Tool Setting |
2 V/DIV., 10 ms./DIV. |
Vehicle Condition |
|
(h) Waveform 8:
Item |
Content |
---|---|
Terminal No. |
F7A-22 (B1RU) - Body ground |
F7A-24 (A1RU) - Body ground |
|
F7A-27 (A2RU) - Body ground |
|
F7A-29 (B2RU) - Body ground |
|
Tool Setting |
2 V/DIV., 10 ms./DIV. |
Vehicle Condition |
|
(i) Waveform 9:
Item |
Content |
---|---|
Terminal No. |
F7A-40 (BLW) - F72-29 (GND) |
Tool Setting |
2 V/DIV., 1 ms./DIV. |
Vehicle Condition |
|
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 |
---|---|---|---|---|
F61-2 (LIN1) - Body ground |
L - Body ground |
LIN communication |
Ignition switch ON |
Pulse generation (See waveform 1) |
F61-10 (IG+) - Body ground |
BE - Body ground |
Power source (IG) |
Ignition switch off |
Below 1 V |
Ignition switch ON |
11 to 14 V |
|||
F61-16 (GND) - Body ground |
W-B - Body ground |
Ground for air conditioning control assembly |
Always |
Below 1 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 > Front 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 FRONT AXLE HUB SUB-ASSEMBLY
(a) Secure the steering knuckle between aluminum plates in a vise.
NOTICE:
Do not over ...
Toyota CH-R Service Manual > Audio And Visual System(for Radio And Display Type): No Sound can be Heard from Speakers
PROCEDURE
1.
CHECK AUDIO SETTINGS
(a) In sound output setting mode, set volume, fader and balance to the initial
values and check that the sound is normal.
OK:
Audio system returns to normal.
HINT:
Sound quality adjustment measures vary according to the type ...