K12-1 (+B) - K12-4 (E)

B - W-B

Auxiliary battery power supply

Power switch off

11 to 14 V

K12-2 (SPI+) - K12-4 (E)

LA-LG - W-B

Sound signal

Audio system playing

A waveform synchronized with sound is output

K12-3 (SPI-) - K12-4 (E)

LA-L - W-B

Sound signal

Audio system playing

A waveform synchronized with sound is output

K12-4 (E) - Body ground

W-B - Body ground

Ground

Always

Below 1 V

K12-5 (SPO+) - K12-4 (E)

LA-BE - W-B

Sound signal

Audio system playing, or Emergency call mode

A waveform synchronized with sound is output

K12-6 (SPO-) - K12-4 (E)

LA-R - W-B

Sound signal

Audio system playing, or Emergency call mode

A waveform synchronized with sound is output

K12-7 (IG2) - K12-4 (E)

LG - W-B

IG power supply

Power switch on (IG)

11 to 14 V

Power switch off

Below 1 V

K12-8 (ACC) - K12-4 (E)

B - W-B

ACC power supply

Power switch on (ACC)

11 to 14 V

Power switch off

Below 1 V

K12-9 (SLED) - K12-4 (E)

SB - W-B

Manual (SOS) switch illumination power supply

Power switch on (ACC)

11 to 14 V

Power switch off

Below 1 V

K12-11 (IND1) - K12-4 (E)

P - W-B

Manual (SOS) switch red indicator illumination signal

For 2 seconds after turning the power switch on (IG)

1 to 8.5 V

Power switch off

Below 1 V

K12-12 (IND2) - K12-4 (E)

LG - W-B

Manual (SOS) switch green indicator illumination signal

For 2 seconds after turning the power switch on (IG)

1 to 8.5 V

Power switch off

Below 1 V

K12-15 (CANP)

R

CAN communication signal

-

-

K12-16 (CANN)

B

CAN communication signal

-

-

K12-17 (MUTE) - K12-4 (E)

BE - W-B

Mute signal

Audio system playing

3.5 V or higher

Emergency call mode

Below 1 V

K12-18 (MCO+) - K12-4 (E)*1

SB - W-B

Sent microphone voice signal

See "Check Microphone"

-

K12-18 (MCO+) - K12-4 (E)*2

SB - W-B

Sent microphone voice signal

See "Check Microphone"

-

K12-19 (MCO-) - K12-4 (E)*1

V - W-B

Sent microphone voice signal

See "Check Microphone"

-

K12-19 (MCO-) - K12-4 (E)*2

V - W-B

Sent microphone voice signal

See "Check Microphone"

-

K12-24 (GSW) - K12-4 (E)

W - W-B

Collision detection signal

Power switch on (IG)

Pulse generation

(Refer to waveform 1)

K12-26 (SIG-) - K12-4 (E)

GR - W-B

Ground

Always

Below 1 V

K12-27 (SIG1) - K12-4 (E)

B - W-B

Manual (SOS) switch condition signal

Manual (SOS) switch not pressed

1.5 to 2.0 V

Manual (SOS) switch pressed

0.5 to 0.8 V

K12-32 (SGND) - K12-4 (E)

Shield - W-B

Shield ground

Always

Below 1 V

K12-33 (MCVD) - K12-4 (E)

B - W-B

Telephone microphone assembly power supply

Power switch off

Below 1 V

Power switch on (ACC)

4 to 6 V

K12-34 (MCI+) - K12-4 (E)*1

W - W-B

Receive microphone voice signal

See "Check Microphone"

-

K12-34 (MCI+) - K12-4 (E)*2

W - W-B

Receive microphone voice signal

See "Check Microphone"

-

K12-35 (MCI-) - K12-4 (E)*1

R - W-B

Receive microphone voice signal

See "Check Microphone"

-

K12-35 (MCI-) - K12-4 (E)*2

R - W-B

Receive microphone voice signal

See "Check Microphone"

-

Tester connection

K12-24 (GSW) - K12-4 (E)

Tool setting

5.0 V/DIV., 20 ms/DIV.

Vehicle condition

Power switch on (IG)