Toyota Tundra. Manual — part 139

2. CHECK RADIO RECEIVER (for Built-in Type Amplifier System)

Fig. 18: Identifying Radio Receiver Connectors Terminals (Built-In Type Amplifier System)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

TERMINALS REFERENCE

sounds is output

K9-3 (TSW-) -

K4-20 (GND)

W-B - W-B Ground

Always

Below 1 V

K9-4 (SPD) -

K4-20 (GND)

W - W-B

Speed signal from
combination meter

Ignition switch ON,
drive wheels turned
slowly

Pulse generation

K9-5 (+B) - K4-

20 (GND)

L - W-B

Battery

Always

11 to 14 V

K9-6 (MGND) -

K4-20 (GND)

W-B - W-B Ground

Always

Below 1 V

K9-7 (MCVD) -

K4-20 (GND)

LG - W-B

Microphone AMP
power supply

Ignition switch OFF -->
ACC

Below 1 V --> 5V

K9-14 (GND) -

K4-20 (GND)

W-B - W-B Ground

Always

Below 1 V

K9-16(ACC) -

K4-20 (GND)

GR - W-B Accessory (ON)

Ignition switch OFF -->
ACC

Below 1 V --> 11 to 14
V

Terminal No.

(Symbols)

Wiring

Color

Terminal

Description

Condition

Specified Condition

K1-1 (FR+) -

K1-7 (GND)

LG - W-B

Sound signal (Front
right)

Audio system is playing

A waveform
synchronized with
sounds is output

K1-2(FL+) - K1-

7(GND)

Y - W-B

Sound signal (Front
left)

Audio system is playing

A waveform
synchronized with
sounds is output

K1-3(ACC) -

K1-7(GND)

GR - W-B Accessory (ON)

Ignition switch OFF -->
ACC

Below 1 V --> 11 to
14V

K1-4(B) - K1-7

(GND)

L - W-B

Battery

Always

11 to 14 V

K1-5(FR-) - K1-

7(GND)

L - W-B

Sound signal (Front
right)

Audio system is playing

A waveform
synchronized with
sounds is output

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Audio/Visual - Tundra

3. CHECK STEREO COMPONENT AMPUFIER

K1-6(FL-) - K1-

7(GND)

W - W-B

Sound signal (Front
left)

Audio system is playing

A waveform
synchronized with
sounds is output

K1-7 (GND) -

Body ground

W-B - Body

ground

Ground

Always

Below 1 V

K1-10(ILL+) -

K1-7(GND)

SB - W-B

Illumination signal

Light control switch
OFF --> TAIL or
HEAD

Below 1 V --> 11 to 14
V

K2-1 (RR+) -

K1-7(GND)

R - W-B

Sound signal (Rear
right)

Audio system is playing

A waveform
synchronized with
sounds is output

K2-2(RL+) -

K1-7(GND)

Y - W-B

Sound signal (Rear
left)

Audio system is playing

A waveform
synchronized with
sounds is output

K2-3(RR-) - K1-

7(GND)

W - W-B

Sound signal (Rear
right)

Audio system is playing

A waveform
synchronized with
sounds is output

K2-5(ILL-) -

K1-7(GND)

O - W-B

Illumination (rheostat)
signal

Light control switch
OFF --> TAIL or
HEAD

Below 1 V --> Pulse
generation

K2-6 (RL-) -
K1-7 (GND)

B - W-B

Sound signal (Rear
left)

Audio system is playing

A waveform
synchronized with
sounds is output

K3-3(SPD) -

K1-7(GND)

W - W-B

Speed signal from
combination meter

Ignition switch ON,
drive wheels turned
slowly

Pulse generation

K3-15(ARI) -

K1-7(GND)

R - W-B

Sound signal (Right)

External device is
playing (When stereo
jack is used)

A waveform
synchronized with
sounds is output

K3-16(ASGN) -

K1-7 (GND)

W - Body

ground

Ground

Always

Below 1 V

K3-17(ALI) -

K1-7(GND)

B - W-B

Sound signal (Left)

External device is
playing (When stereo
jack is used)

A waveform
synchronized with
sounds is output

K3-18(AUXG) -

K1-7 (GND)

Shielded -

Body ground

Shield ground

Always

Below 1 V

K3-19(AUXI) -

K1-7 (GND)

SB - W-B

External device
connection detection
signal

External device is
connected

Below 1 V

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Audio/Visual - Tundra

Fig. 19: Identifying Stereo Component Amplifier Components Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

TERMINALS REFERENCE

Terminal No.

(Symbols)

Wiring

Color

Terminal Description

Condition

Specified Condition

K16-1(+B) -

K17-6(GND)

R - BR

Battery

Always

11 to 14 V

K17-4(CTR+) -

K17-6 (GND)

W - BR

Sound Signal (Center) Audio system playing

A waveform
synchronized with
sounds is output

K16-3(RL+) -
K17-6 (GND)

Y - BR

Sound Signal (Left)

Audio system is
playing

A waveform
synchronized with
sounds is output

K16-10(RR+) -

K17-6 (GND)

R - BR

Sound signal (Right)

Audio system is
playing

A waveform
synchronized with
sounds is output

K16-8(FL+) -

K17-6 (GND)

P - BR

Sound signal (Left)

Audio system is
playing

A waveform
synchronized with
sounds is output

K16-2(FR+) -
K17-6 (GND)

LG - BR

Sound signal (Right)

Audio system is
playing

A waveform
synchronized with
sounds is output

K17-2(WFL+) -

K17-6 (GND)

P - BR

Sound signal (Left)

Audio system is
playing

A waveform
synchronized with
sounds is output

K17-9(WFR+) -

K17-6 (GND)

LG - BR

Sound signal (Right)

Audio system is
playing

A waveform
synchronized with
sounds is output

K16-5(+B2) -

K17-6 (GND)

R - BR

Battery

Always

11 to 14 V

K17-10(CTR-) -

K17-6 (GND)

B - BR

Sound signal (Center)

Audio system is
playing

A waveform
synchronized with
sounds is output

K16-9(RL-) -

K17-6 (GND)

B - BR

Sound signal (Left)

Audio system is
playing

A waveform
synchronized with
sounds is output

K16-4 (RR-) -

K17-6 (GND)

W - BR

Sound signal (Right)

Audio system is
playing

A waveform
synchronized with

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Audio/Visual - Tundra

sounds is output

K17-7(GND2) -

Body ground

BR - Body

ground

Ground

Always

Below 1 ohms

K17-6 (GND) -

Body ground

BR - Body

ground

Ground

Always

Below 1 ohms

K15-11 (SPD) -

K17-6 (GND)

W - BR

Speed signal from
combination meter

See "vehicle signal
check mode"

-

K16-7(FL-) -

K17-6(GND)

V - BR

Sound signal (Left)

Audio system is
playing

A waveform
synchronized with
sounds is output

K16-6(FR-) -

K17-6 (GND)

L - BR

Sound signal (Right)

Audio system is
playing

A waveform
synchronized with
sounds is output

K17-1 (WFL-) -

K17-6 (GND)

V - BR

Sound signal (Left)

Audio system is
playing

A waveform
synchronized with
sounds is output

K17-3(WFR-) -

K17-6 (GND)

L - BR

Sound signal (Right)

Audio system is
playing

A waveform
synchronized with
sounds is output

K15-1 (MUTE) -

K17-6 (GND)

GR - BR

Mute signal

Audio system is
playing

Above 3.5 V

Audio system is

changing mode

Below 1 V

K15-2(L-) - K17-

6(GND)

B - BR

Sound signal (Left)

Audio system is
playing

A waveform
synchronized with
sounds is output

K15-3(L+) -

K17-6(GND)

G - BR

Sound signal (Left)

Audio system is
playing

A waveform
synchronized with
sounds is output

K15-4(R-) -

K17-6(GND)

R - BR

Sound signal (Right)

Audio system is
playing

A waveform
synchronized with
sounds is output

K15-5(R+) -

K17-6(GND)

W - BR

Sound signal (Right)

Audio system is
playing

A waveform
synchronized with
sounds is output

K15-6(SLD) -
K17-6 (GND)

Shielded -

Body ground

Shield ground

Always

Below 1 V

K15-7(TX-) -

K17-6 (GND)

P - BR

AVC-LAN
communication signal

Ignition switch ON

2 to 3V

K15-8(TX+) -

K17-6 (GND)

V - BR

AVC-LAN
communication signal

Ignition switch ON

2 to 3V

K15-12(ACC) -

K17-6 (GND)

GR - BR

Ignition switch ACC

Ignition switch OFF

Below 1 V

Ignition switch ACC 11 to 14 V

K17-5(WF1+) -

O - BR

Sound signal (Woofer Audio system is

A waveform
synchronized with

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Audio/Visual - Tundra