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:
Check Mode Procedure
CHECK MODE PROCEDURE HINT: Compared to normal mode, check mode is more sensitive to malfunctions. Therefore, check mode can detect malfunctions that cannot be detected in normal mode.
NOTICE: All the stored DTCs and freeze frame data are cleared if: 1) the ECM is changed from normal mode to check
Installation
INSTALLATION PROCEDURE 1. INSTALL CAMSHAFT TIMING GEAR BOLT
(a) Make sure that the No. 1 cylinder is at TDC/compression. HINT:
Check that the cutout of the camshaft timing gear assembly is at the top and align the timing mark (cutout) of the crankshaft pulley with the timing mark on the timing c
