Toyota Camry (XV70): Terminals Of Ecu
TERMINALS OF ECU
|
Terminal No. (Symbol) | Wiring Color |
Terminal Description | Condition |
Specified Condition |
|---|---|---|---|---|
|
K140-1 (+B) - K140-20 (E) |
B - W-B | Power source (+B) |
Always | 11 to 14 V |
|
K140-3 (SIG-) - K140-20 (E) |
GR - W-B | Ground |
Always | Below 1 V |
|
K140-4 (IND1) - K140-20 (E) |
P - W-B | Manual (SOS) switch red indicator illumination signal |
For 2 seconds after turning the engine switch on (IG) |
1 to 8.5 V |
|
Engine switch off | Below 1 V | |||
|
K140-5 (MCVD) - K140-20 (E) |
B - W-B | Telephone microphone assembly power supply |
Engine switch on (ACC) |
4 to 6 V |
| Engine switch off |
Below 1 V | |||
|
K140-6 (MCI+) - K140-20 (E) |
W - W-B | Receive microphone voice signal |
Voice being input to telephone microphone assembly |
A waveform synchronized with microphone voice signal is input |
|
K140-7 (MCI-) - K140-20 (E) |
R - W-B | Receive microphone voice signal |
Always | Below 1 V |
|
K140-13 (GSW) - K140-20 (E) |
W - W-B | Collision detection signal |
Engine switch on (IG) |
Pulse generation (Refer to waveform1) |
|
K140-19 (IG2) - K140-20 (E) |
LG - W-B |
Power source (IG) | Engine switch on (IG) |
11 to 14 V |
|
Engine switch off | Below 1 V | |||
|
K140-20 (E) - Body ground |
W-B - Body ground | Ground |
Always | Below 1 Ω |
|
K140-21 (SIG1) - K140-3 (SIG-) |
B - G | Manual (SOS) switch button condition signal |
Manual (SOS) switch not pressed |
1.3 to 1.9 V |
|
Manual (SOS) switch pressed |
0.5 to 0.8 V | |||
|
K140-22 (IND2) - K140-20 (E) |
LG - W-B |
Manual (SOS) switch green indicator illumination signal |
For 2 seconds after turning the engine switch on (IG) |
1 to 8.5 V |
|
Engine switch off | Below 1 V | |||
|
K140-23 (SGND) - K140-20 (E) |
Shielded - W-B | Shield ground |
Always | Below 1 Ω |
|
K140-25 (CANP) | R |
CAN communication signal |
- | - |
|
K140-26 (CANN) | W |
CAN communication signal |
- | - |
CHECK DCM (TELEMATICS TRANSCEIVER)
(a) Oscilloscope waveform:
(1) Waveform 1
|
Item | Condition |
|---|---|
|
Tester connection | K140-13 (GSW) - K140-20 (E) |
|
Tool setting | 5.0 V/DIV., 20 ms/DIV. |
|
Vehicle condition | Engine switch on (IG) |
CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY
w/o Navigation System: Click here
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w/ Navigation System: Click here
READ NEXT:
Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG). (c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Telematics / Tr
Data List / Active Test
DATA LIST / ACTIVE TEST DATA LIST NOTICE:
In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART Safety Connect System
DTC No. Detection Item
Link B153711
Telephone Sub Antenna Circuit Short to Ground
B153713 Telephone Sub An
SEE MORE:
Diagnosis System
DIAGNOSIS SYSTEM DESCRIPTION (a) When troubleshooting On-Board Diagnostic (OBD II) vehicles, an OBD II scan tool (complying with SAE J1978) must be connected to the vehicle. Various data output from the vehicle ECM can then be read.
(b) OBD II regulations require that the vehicle on-board computer
Sudden start restraint control (Drive-Start Control [DSC] )
When the following unusual operation is performed with the accelerator
pedal depressed, the engine output may be restrained.
When the shift lever is shifted to R*.
When the shift lever is shifted from P or R to forward drive shift
position such as D*.
When the system operates, a message
