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 > Occupant Classification System: Front Occupant Classification Sensor LH Circuit Malfunction (B1780)
DESCRIPTION
The front occupant classification sensor LH circuit consists of the occupant
detection ECU and front in weight detection sensor sub-assembly.
DTC B1780 is stored when a malfunction is detected in the front in weight detection
sensor sub-assembly circuit.
DTC No.
...
Toyota CH-R Service Manual > Personal Light: Inspection
INSPECTION
PROCEDURE
1. INSPECT MAP LIGHT ASSEMBLY
(a) Check the map light.
(1) Apply battery voltage to the map light assembly and check that the
map light comes on.
OK:
Battery Connection
Switch Condition
Specified Cond ...