*a

Connector color: Blue

(to Telephone antenna)

*b

Connector color: Grey

(to GPS antenna)

D73-1 (+B) - D73-4 (E)

SB - BR

Vehicle battery power supply

Always

11 to 14 V

D73-2 (SPI+) - D73-4 (E)

L - BR*1

W - BR*2

Sound signal

Audio system is playing

A waveform synchronized with sound is input

D73-3 (SPI-) - D73-4 (E)

R - BR*1

LG - BR*2

Sound signal

Audio system is playing

A waveform synchronized with sound is input

D73-4 (E) - Body ground

BR - Body ground

Ground

Always

Below 1 V

D73-5 (SPO+) - D73-4 (E)

L - BR

Sound signal

Audio system is playing, or Emergency call mode

A waveform synchronized with sound is output

D73-6 (SPO-) - D73-4 (E)

LG - BR

Sound signal

Audio system is playing, or Emergency call mode

A waveform synchronized with sound is output

D73-7 (IG2) - D73-4 (E)

GR - BR

IG power supply

Ignition switch ON

11 to 14 V

Ignition switch off

Below 1 V

D73-8 (ACC) - D73-4 (E)

GR - BR

ACC power supply

Ignition switch ACC

11 to 14 V

Ignition switch off

Below 1 V

D73-10 (SPDP) - D73-4 (E)

LG - BR

Vehicle speed signal

See "Vehicle Signal Check Mode" (See page )

-

D73-11 (IND1) - D73-4 (E)

P - BR

Manual (SOS) switch red indicator illumination signal

For 2 seconds after turning the ignition switch ON

1 to 8.5 V

Ignition switch off

Below 1 V

D73-12 (IND2) - D73-4 (E)

W - BR

Manual (SOS) switch green indicator illumination signal

For 2 seconds after turning the ignition switch ON

1 to 8.5 V

Ignition switch off

Below 1 V

D73-13 (BBI-)

W

BUB (Back-Up Battery) power supply

-

-

D73-17 (MUTE) - D73-4 (E)*2

R - BR

Mute signal

Audio system is playing

3.5 V or higher

Emergency call mode

Below 1 V

D73-18 (MCO+) - D73-4(E)

B - BR

Sent microphone voice signal

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

-

D73-19 (MCO-) - D73-4(E)

W - BR

Sent microphone voice signal

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

-

D73-20 (CTR1)

B

BUB (Back-Up Battery) control line

-

-

D73-21 (CTR2)

Y

BUB (Back-Up Battery) control line

-

-

D73-23 (ILL+) - D73-4 (E)

G - BR

Illumination signal

Light control switch off

Below 1 V

Light control switch tail or ON

11 to 14 V

D73-24 (GSW) - D73-4 (E)

B - BR

Collision detection line

Ignition switch ON

Pulse generation

(Refer to waveform 1)

D73-25 (SIL)

W

Serial communication line

-

-

D73-26 (SIG-) - D73-4 (E)

R - BR

Ground

Always

Below 1 V

D73-27 (SIG1) - D73-4 (E)

B - BR

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

D73-30 (BBI+)

R

BUB (Back-Up Battery) power supply

-

-

D73-32 (SGND) - D73-4 (E)

Shield - BR

Shield ground

Always

Below 1 V

D73-33 (MCVD) - D73-4 (E)

R - BR

Telephone microphone assembly power supply

Ignition switch off

Below 1 V

Ignition switch ACC

4 to 6 V

D73-34 (MCI+) - D73-4 (E)

B - BR

Receive microphone voice signal

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

-

D73-35 (MCI-) - D73-4 (E)

W - BR

Receive microphone voice signal

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

-

Tester Connection

D73-24 (GSW) - D73-4 (E)

Tool setting

5.0 V/DIV., 20 ms/DIV.

Vehicle condition

Ignition switch ON