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

Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are lis ...

Diagnosis System
DIAGNOSIS SYSTEM 1. CHECK DLC3 (a) Check the DLC3 (See page ). 2. CHECK INDICATOR (a) When a malfunction is detected in the Safety Connect system, the manual (SOS) switch red indicator on the m ...

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Precaution
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