TERMINALS OF ECU
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
F47-4 (MACC) - F48-7 (GND1) |
B - LA |
Microphone power supply |
Ignition switch off |
Below 1 V |
Ignition switch ACC |
4 to 6 V |
|||
F47-5 (MIN+) - F48-7 (GND1) |
W - LA |
Microphone voice signal |
"Bluetooth" hands-free voice signal received |
A waveform synchronized with sound signals is output |
F47-6 (SNS2) - F48-7 (GND1) |
V - LA |
Microphone connection detection signal |
Always |
Below 1 V |
F47-17 (SPD) - F48-7 (GND1) |
V - LA |
Vehicle speed signal |
Ignition switch ON Wheel being rotated |
Pulse generation |
F47-18 (SGND) - Body ground |
Shield - Body ground |
Shield ground |
Always |
Below 1 V |
F47-19 (MIN-) - F48-7 (GND1) |
R - LA |
Microphone voice signal |
"Bluetooth" hands-free voice signal received |
A waveform synchronized with sound signals is output |
F47-21 (SW1) - F47-23 (SWG) |
GR - W-B |
Steering pad switch signal |
No switch pushed |
2.97 to 3.56 V |
Seek+ switch pushed |
0.27 to 0.35 V |
|||
Seek- switch pushed |
0.86 to 1.03 V |
|||
Volume+ switch pushed |
1.51 to 1.79 V |
|||
Volume- switch pushed |
2.22 to 2.66 V |
|||
F47-22 (SW2) - F47-23 (SWG) |
G - W-B |
Steering pad switch signal |
No switch pushed |
2.97 to 3.56 V |
MODE switch pushed |
0.27 to 0.35 V |
|||
On hook switch pushed |
0.86 to 1.03 V |
|||
Off hook switch pushed |
1.51 to 1.79 V |
|||
F47-23 (SWG) - Body ground |
W-B - Body ground |
Steering pad switch signal |
Always |
Below 1 V |
F48-1 (FR+) - F48-7 (GND1) |
P - LA |
Sound signal (Front Right) |
Audio system playing |
A waveform synchronized with sound signals is output |
F48-2 (FL+) - F48-7 (GND1) |
W - LA |
Sound signal (Front Left) |
Audio system playing |
A waveform synchronized with sound signals is output |
F48-3 (ACC1) - F48-7 (GND1) |
GR - LA |
Power source (ACC) |
Ignition switch off |
Below 1 V |
Ignition switch ACC |
11 to 14 V |
|||
F48-4 (+B1) - F48-7 (GND1) |
LA-SB - LA |
Power source (+B) |
Always |
11 to 14 V |
F48-5 (FR-) - F48-7 (GND1) |
BR - LA |
Sound signal (Front Right) |
Audio system playing |
A waveform synchronized with sound signals is output |
F48-6 (FL-) - F48-7 (GND1) |
B - LA |
Sound signal (Front Left) |
Audio system playing |
A waveform synchronized with sound signals is output |
F48-7 (GND1) - Body ground |
LA - Body ground |
Ground |
Always |
Below 1 V |
F48-10 (ILL+) - Body ground |
G - Body ground |
Illumination signal |
Light control switch off |
Below 1 V |
Light control switch in tail or head position |
11 to 14 V |
|||
F49-1 (RR+) - F48-7 (GND1) |
R - LA |
Sound signal (Rear Right) |
Audio system playing |
A waveform synchronized with sound signals is output |
F49-2 (RL+) - F48-7 (GND1) |
B - LA |
Sound signal (Rear Left) |
Audio system playing |
A waveform synchronized with sound signals is output |
F49-3 (RR-) - F48-7 (GND1) |
W - LA |
Sound signal (Rear Right) |
Audio system playing |
A waveform synchronized with sound signals is output |
F49-6 (RL-) - F48-7 (GND1) |
Y - LA |
Sound signal (Rear Left) |
Audio system playing |
A waveform synchronized with sound signals is output |
RA-5 (ANT+) - F48-7 (GND1) |
- - LA |
Power source of antenna |
Ignition switch ACC Radio switch on and AM or FM selected |
11 to 14 V |
Toyota CH-R Service Manual > Quarter Garnish: 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 QUARTER PILLAR COVER SUB-ASSEMBLY
HINT:
When installing a new quarter pillar cover sub-assembly, heat the vehicle b ...
Toyota CH-R Service Manual > Airbag System: Occupant Classification System Malfunction (B1650/32,B165A/32)
DESCRIPTION
The airbag sensor assembly and occupant detection ECU communicate via CAN communication.
When the occupant detection ECU stores DTC B1771, B1780, B1782, B1795, B1798,
B1799, U0125 or U0129, the airbag sensor assembly receives this information and
stores DTC B1650/32.
When the occu ...