TERMINALS OF ECU
CHECK DCM (TELEMATICS TRANSCEIVER)
*a |
Connector Color: Natural (to Telephone Sub Antenna) |
*b |
Connector Color: Blue (to Telephone Main Antenna) |
*c |
Connector Color: Gray (to GPS Antenna) |
- |
- |
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
F134-1 (+B) - F134-4 (E) |
W - W-B |
Battery power supply |
Always |
11 to 14 V |
F134-2 (SPI+) - F134-4 (E) |
LA-LG - W-B |
Sound signal |
Audio system playing |
A waveform synchronized with sound is output |
F134-3 (SPI-) - F134-4 (E) |
LA-L - W-B |
Sound signal |
Audio system playing |
A waveform synchronized with sound is output |
F134-4 (E) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 V |
F134-5 (SPO+) - F134-4 (E) |
LA-LG - W-B |
Sound signal |
Audio system playing, or Emergency call mode |
A waveform synchronized with sound is output |
F134-6 (SPO-) - F134-4 (E) |
LA-L - W-B |
Sound signal |
Audio system playing, or Emergency call mode |
A waveform synchronized with sound is output |
F134-7 (IG2) - F134-4 (E) |
B - W-B |
IG power supply |
Ignition switch ON |
11 to 14 V |
Ignition switch off |
Below 1 V |
|||
F134-8 (ACC) - F134-4 (E) |
GR - W-B |
ACC power supply |
Ignition switch ACC |
11 to 14 V |
Ignition switch off |
Below 1 V |
|||
F134-9 (SLED) - F134-4 (E) |
LG - W-B |
Manual (SOS) switch illumination power supply |
Ignition switch ACC |
11 to 14 V |
Ignition switch off |
Below 1 V |
|||
F134-11 (IND1) - F134-4 (E) |
B - W-B*3 P - W-B*4 |
Manual (SOS) switch red indicator illumination signal |
For 2 seconds after turning the ignition switch ON |
1 to 8.5 V |
Ignition switch off |
Below 1 V |
|||
F134-12 (IND2) - F134-4 (E) |
BE - W-B |
Manual (SOS) switch green indicator illumination signal |
For 2 seconds after turning the ignition switch ON |
1 to 8.5 V |
Ignition switch off |
Below 1 V |
|||
F134-15 (CANP) |
GR |
CAN communication signal |
- |
- |
F134-16 (CANN) |
LG |
CAN communication signal |
- |
- |
F134-17 (MUTE) - F134-4 (E) |
L - W-B |
Mute signal |
Audio system playing |
3.5 V or higher |
Emergency call mode |
Below 1 V |
|||
F134-18 (MCO+) - F134-4 (E)*1 |
B - W-B*3 G - W-B*4 |
Sent microphone voice signal |
See "Check Microphone"
|
- |
F134-18 (MCO+) - F134-4 (E)*2 |
B - W-B *3 G - W-B*4 |
Sent microphone voice signal |
See "Check Microphone"
|
- |
F134-19 (MCO-) - F134-4 (E)*1 |
W - W-B*3 R - W-B*4 |
Sent microphone voice signal |
See "Check Microphone"
|
- |
F134-19 (MCO-) - F134-4 (E)*2 |
W - W-B*3 R - W-B*4 |
Sent microphone voice signal |
See "Check Microphone"
|
- |
F134-24 (GSW) - F134-4 (E) |
W - W-B |
Collision detection signal |
Ignition switch ON |
Pulse generation (Refer to waveform 1) |
F134-26 (SIG-) - F134-4 (E) |
SB - W-B |
Ground |
Always |
Below 1 V |
F134-27 (SIG1) - F134-4 (E) |
L - W-B |
Manual (SOS) switch condition signal |
Manual (SOS) switch not pressed |
1.5 to 2.0 V |
Manual (SOS) switch pressed |
0.5 to 0.8 V |
|||
F134-32 (SGND) - F134-4 (E) |
Shield - W-B |
Shield ground |
Always |
Below 1 V |
F134-33 (MCVD) - F134-4 (E) |
B - W-B |
Telephone microphone assembly power supply |
Ignition switch off |
Below 1 V |
Ignition switch ACC |
4 to 6 V |
|||
F134-34 (MIC+) - F134-4 (E)*1 |
W - W-B |
Receive microphone voice signal |
See "Check Microphone"
|
- |
F134-34 (MCI+) - F134-4 (E)*2 |
W - W-B |
Receive microphone voice signal |
See "Check Microphone"
|
- |
F134-35 (MCI-) - F134-4 (E)*1 |
R - W-B |
Receive microphone voice signal |
See "Check Microphone"
|
- |
F134-35 (MCI-) - F134-4 (E)*2 |
R - W-B |
Receive microphone voice signal |
See "Check Microphone"
|
- |
F133-1(USB-) - Body ground |
# |
USB communication line |
- |
- |
F133-2(USB+) - Body ground |
# |
USB communication line |
- |
- |
F133-3(USBG) - F134-4 (E) |
P - W-B |
DCM (Telematics Transceiver) power supply ground signal |
Always |
Below 1 Ω |
F133-4(VOT+) - F134-4 (E) |
G - W-B |
Sent voice signal |
Calling while using the operator service |
A waveform synchronized with the received voice is output |
F133-5(USBV) - F134-4 (E) |
Y - W-B |
DCM (Telematics Transceiver) power supply signal |
Ignition switch off |
Below 1 V |
Ignition switch ON |
4.5 to 5.25 V |
|||
F133-6(USBS) - F134-4 (E) |
Shielded - W-B |
Shield ground |
Always |
Below 1 Ω |
F133-7(VOT-) - F134-4 (E) |
W - W-B |
Sent voice signal |
Calling while using the operator service |
A waveform synchronized with the received voice is output |
F133-8(VOR-) - F134-4 (E) |
B - W-B |
Receive voice signal |
Receiving a call while using the operator service |
A waveform synchronized with the sent voice is output |
F133-9(VOR+) - F134-4 (E) |
R - W-B |
Receive voice signal |
Receiving a call while using the operator service |
A waveform synchronized with the sent voice is output |
(a) Oscilloscope waveform:
(1) Waveform 1
Item |
Condition |
---|---|
Tester connection |
F134-24 (GSW) - F134-4 (E) |
Tool setting |
5.0 V/DIV., 20 ms/DIV. |
Vehicle condition |
Ignition switch ON |
CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY
w/o Navigation System: Click here
w/ Navigation System: Click here
Toyota CH-R Service Manual > Airbag System: Short in Front Passenger Side Squib Circuit (B1805/52-B1808/52)
DESCRIPTION
The front passenger side squib circuit consists of the airbag sensor assembly
and instrument panel passenger without door airbag assembly.
The airbag sensor assembly uses this circuit to deploy the airbag when deployment
conditions are met.
These DTCs are stored when a malfunction ...
Toyota CH-R Service Manual > Can Communication System: Blind Spot Monitor Sensor Communication Stop Mode
DESCRIPTION
Detection Item
Symptom
Trouble Area
Blind Spot Monitor Sensor Communication Stop Mode
Any of the following conditions are met:
Communication stop for "Blind Spot Monitor Master" is indicated
on th ...