Toyota Camry owners & service manuals

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

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:

     Test Mode Procedure

    TEST MODE PROCEDURE SENSOR CHECK USING DEALER MODE (SIGNAL CHECK) NOTICE: After replacing or removing and installing a speed sensor, perform Dealer Mode (Signal Check) inspection to confirm that the speed sensors are operating correctly. After replacing or removing and installing a speed

     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 Antenna Circuit Open B157011 Indicator (Red) Circuit Short to Ground

    © 2023-2026 Copyright www.tocamry.com