Toyota 4Runner manuals

Toyota 4Runner: Terminals Of Ecu

TERMINALS OF ECU

1. CHECK DCM (TELEMATICS TRANSCEIVER)

Text in Illustration

*a

Connector color: Blue

(to Telephone antenna)

*b

Connector color: Gray

(to GPS antenna)

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

F39-1 (+B) - F39-4 (E)

P - W-B

Vehicle battery power supply

Always

11 to 14 V

F39-2 (SPI+) - F39-4 (E)

V - W-B

Sound signal

Audio system playing

Waveform synchronized with sound is input

F39-3 (SPI-) - F39-4 (E)

P - W-B

Sound signal

Audio system playing

Waveform synchronized with sound is input

F39-4 (E) - Body ground

W-B - Body ground

Ground

Always

Below 1 V

F39-5 (SPO+) - F39-4 (E)

LG - W-B

Sound signal

Audio system playing, or emergency call mode on

Waveform synchronized with sound is output

F39-6 (SPO-) - F39-4 (E)

L - W-B

Sound signal

Audio system playing, or emergency call mode on

Waveform synchronized with sound is output

F39-7 (IG2) - F39-4 (E)

W - W-B

IG power supply

Ignition switch ON

11 to 14 V

Ignition switch off

Below 1 V

F39-8 (ACC) - F39-4 (E)

P - W-B

ACC power supply

Ignition switch ACC

11 to 14 V

Ignition switch off

Below 1 V

F39-10 (SPDP) - F39-4 (E)

SB - W-B

Vehicle speed signal

See "Vehicle Signal Check Mode" (See page )


-

F39-11 (IND1) - F39-4 (E)

R - W-B

Manual (SOS) switch red indicator illumination signal

Illuminates for 2 seconds after turning the ignition switch ON

1 to 8.5 V

Ignition switch off

Below 1 V

F39-12 (IND2) - F39-4 (E)

V - W-B

Manual (SOS) switch green indicator illumination signal

Illuminates for 2 seconds after turning the ignition switch ON

1 to 8.5 V

Ignition switch off

Below 1 V

F39-13 (BBI-)

G

BUB (Back-Up Battery) power supply

-

-

F39-17 (MUTE) - F39-4 (E)

L - W-B

Mute signal

Audio system playing

3.5 V or higher

Emergency call mode on

Below 1 V

F39-18 (MCO+) - F39-4 (E)

B - W-B

Microphone voice signal

See "Microphone & Voice Recognition Check" (See page )


-

F39-19 (MCO-) - F39-4 (E)

W - W-B

Microphone voice signal

See "Microphone & Voice Recognition Check" (See page )


-

F39-20 (CTR1)

L

BUB (Back-Up Battery) control line

-

-

F39-21 (CTR2)

GR

BUB (Back-Up Battery) control line

-

-

F39-23 (ILL+) - F39-4 (E)

G - W-B

Illumination signal

Light control switch off

Below 1 V

Light control switch tail or on

11 to 14 V

F39-24 (GSW) - F39-4 (E)

B - W-B

Collision detection signal

Ignition switch ON

Pulse generation

(See waveform 1)

F39-25 (SIL)

G

Serial communication signal

-

-

F39-26 (SIG-) - F39-4 (E)

LG - W-B

Ground

Always

Below 1 V

F39-27 (SIG1) - F39-4 (E)

P - W-B

Manual (SOS) switch condition signal

Manual (SOS) switch not pressed

1.4 to 1.8 V

Manual (SOS) switch pressed

0.5 to 0.9 V

F39-30 (BBI+)

LG

BUB (Back-Up Battery) power supply

-

-

F39-32 (SGND) - F39-4 (E)

Shielded - W-B

Shield ground

Always

Below 1 V

F39-33 (MCVD) - F39-4 (E)

R - W-B

Telephone microphone assembly power supply

Ignition switch off

Below 1 V

Ignition switch ON

4 to 6 V

F39-34 (MCI+) - F39-4 (E)

B - W-B

Microphone voice signal

See "Microphone & Voice Recognition Check" (See page )


-

F39-35 (MCI-) - F39-4 (E)

W - W-B

Microphone voice signal

See "Microphone & Voice Recognition Check" (See page )


-

(a) Oscilloscope waveform:


(1) Waveform 1

Item

Condition

Tester connection

F39-24 (GSW) - F39-4 (E)

Tool setting

5.0 V/DIV., 20 ms/DIV.

Vehicle condition

Ignition switch ON

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