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
w/ Navigation System: Click here
Dtc Check / Clear
Data List / Active Test
Diagnostic Trouble Code Chart
FL Speed Sensor Wrong Installation (X0451)
Excessive Brake Pedal Travel (No Fluid Leaks and No Air in System)