Terminals Of Ecu

WARNING: This page is about a different car, the 2007 Toyota Camry Solara. However, it is still accessible from the selected car via links, so may be relevant.

NAVIGATION RECEIVER ASSEMBLY

Fig 1: Identifying Terminals Of ECU

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

ECU REFERENCE

Symbols (Terminal No.)

Wiring Color

Terminal Description

Condition

Specification

PKB(R5-1)-GND(R7-20)

R-W - BR

Parking brake signal

See "VEHICLE SIGNAL CHECK " (See )

SPD (R5-3) - GND (R7-20)

V-W - BR

Speed signal from combination meter

See "VEHICLE SIGNAL CHECK " (See )

REV (R5-5) - GND (R7-20)

R-B - BR

Reverse signal

See "VEHICLE SIGNAL CHECK " (See )

SWG (R6-6) - Body ground

P-L - Body ground

Steering pad switch signal

Always

Below 1 V

SW1 (R6-7) - SWG (R6-6)

P-B - P-L

Steering pad switch signal

No switch is pushed

4 V or more

→ SEEK+ switch pushed

→ Approx. 0.5 V

→ SEEK- switch pushed

→ Approx. 0.9 V

→ VOL+ switch pushed

→ Approx. 2.0 V

→ VOL- switch pushed

→ Approx. 3.4 V

SW2 (R6-8) - SWG (R6-6)

P-B - P-L

Steering pad switch signal

No switch is pushed

4 V or more

→ MODE switch pushed

→ Approx. 0.5 V

→ ON HOOK switch pushed

→ Approx. 0.9 V

→ OFF HOOK switch pushed

→ Approx. 2.0 V

→ VOICE switch pushed

→ Approx. 3.4 V

IVO+ (R6-11) - GND (R7-20)

V - BR

Voice guidance signal

Voice guidance is provided

A waveform synchronized with sounds is output

IVO- (R6-12) - GND (R7-20)

LG - BR

Voice guidance signal

Voice guidance is provided

A waveform synchronized with sounds is output

SLD1 (R6-13) - Body ground

Shielded - Body ground

Voice sound signal shielded ground

Always

Below 1 V

B (R7-1) - GND (R7-20)

L-Y - BR

Battery

Always

10 to 14 V

ILL+ (R7-2) - GND (R7-20)

G - BR

Illumination signal

Turn ignition switch ON Light control switch OFF → TAIL or ON

Below 1 V → 10 to 14 V

TX+ (R7-5) - GND (R7-20)

B(⁽¹⁾), R(⁽²⁾)-BR

AVC-LAN communication signal

Turn ignition switch to ACC

2 to 3 V

MUTE (R7-7) - GND (R7-20)

BR-B(⁽¹⁾), L(⁽²⁾)-BR

Mute signal

Audio system is playing → Changing

Above 3.5 V → Below 1 V

R+ (R7-8) - GND (R7-20)

W(⁽¹⁾), B(⁽²⁾)-BR

Sound signal (Right)

Audio system is playing

A waveform synchronized with sounds is output

L+ (R7-9) - GND (R7-20)

G - BR

Sound signal (Left)

Audio system is playing

A waveform synchronized with sounds is output

SLD (R7-10) - Body ground

Shielded - Body ground

Shielded ground

Always

Below 1 V

ACC (R7-11) - GND (R7-20)

GR-BR

Accessory (ON)

Turn ignition switch OFF → ACC or ON

Below 1 V → 10 to 14 V

ILL- (R7-12) - GND (R7-20)

W-G - BR

Illumination signal

Turn ignition switch ON Light control switch OFF → TAIL or ON

Below 1 V → 10 to 14 V

ANT (R7-13) - GND (R7-20)

B-R - BR

Power source of antenna

Radio switch ON and AM or FM

10 to 14 V

TX- (R7-15) - GND (R7-20)

Y(⁽¹⁾), W(⁽²⁾)-BR

AVC-LAN communication signal

Turn ignition switch to ACC

2 to 3 V

R- (R7-18) - GND (R7-20)

B(⁽¹⁾), W(⁽²⁾)-BR

Sound signal (Right)

Audio system is playing

A waveform synchronized with sounds is output

L- (R7-19) - GND (R7-20)

R-BR

Sound signal (Left)

Audio system is playing

A waveform synchronized with sounds is output

GND (R7-20) - Body ground

BR - Body ground

Ground

Always

Below 1V

MIC+ (N8-19) - GND (R7-20)

R - BR

Microphone voice signal

See "MICROPHONE CHECK " (See )

MIC- (N8-20) - Body ground

L - Body ground

Microphone voice signal

See "MICROPHONE CHECK " (See )

MACC (N8-17) - GND (R7-20)

G-R - BR

Microphone AMP power supply

Turn ignition switch OFF → ON

Below 1 V → 5V

TSW- (N8-12) - GND (R7 -20)

L - BR

Telephone relation switch signal

Always

Below 1 V

SGND- (N8-18) - GND (R7-20)

L - BR

Ground

Always

Below 1 V

VAR+ (N9-2) - GND (R7-20)

LG - BR

Sound signal (Right)

External device is playing (When stereo jack is used)

A waveform synchronized with sounds is output

VAL+ (N9-3) - GND (R7-20)

V - BR

Sound signal (Left)

External device is playing (When stereo jack is used)

A waveform synchronized with sound is output

VA- (N9-5) - Body ground

Shielded - Body ground

Shielded ground

Always

Below 1 V

ADPG (N9 - 6) - GND (R7-20)

R - BR

External device connection detection signal

External device is connection

Below 1 V

⁽¹⁾

for Coupe

⁽²⁾	for Convertible

STEREO COMPONENT AMPLIFIER

Fig 2: Identifying Stereo Component Amplifier Connectors Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

STEREO COMPONENT AMPLIFIER REFERENCE

Symbols (Terminal No.)

Wiring Color

Terminal Description

Condition

Specified Condition

MUTE (S11-1) - GND (S10-16)

BR-B(⁽¹⁾), L(⁽²⁾)-W-B(⁽¹⁾), BR(⁽²⁾)

Mute signal from radio receiver

Audio system is playing → Changing

Above 3.5 V → Below 1 V

L- (S11-2) - GND (S10-16)

R-W-B(⁽¹⁾), BR(⁽²⁾)

Sound signal (Left)

Audio system is playing

A waveform synchronized with sounds is output

L+ (S11-3) - GND (S10-16)

G-W-B(⁽¹⁾), BR(⁽²⁾)

Sound signal (Left)

Audio system is playing

A waveform synchronized with sounds is output

R- (S11-4) - GND (S10-16)

B(⁽¹⁾), W(⁽²⁾)-W-B(⁽¹⁾), BR(⁽²⁾)

Sound signal (Right)

Audio system is playing

A waveform synchronized with sounds is output

R+ (S11-5) - GND (S10-16)

W(⁽¹⁾), B(⁽²⁾)-W-B(⁽¹⁾), BR(⁽²⁾)

Sound signal (Right)

Audio system is playing

A waveform synchronized with sounds is output

TX- (S11-7) (⁽¹⁾) - GND (S10-16)

Y-W-B(⁽¹⁾), BR(⁽²⁾)

AVC-LAN communication signal

Turn ignition switch to ACC

2 to 3 V

TX+ (S11-8) (⁽¹⁾) - GND (S10-16)

B-W-B(⁽¹⁾), BR(⁽²⁾)

AVC-LAN communication signal

Turn ignition switch to ACC

2 to 3 V

TSSW (S11-9) (⁽²⁾) - GND (S10-16)

L-W - BR

Convertible top open/close signal

Convertible top is open

Below 1 V

SPD (S11-11) - GND (S10-16)

V-W - W-B(⁽¹⁾),BR(⁽²⁾)

Speed signal from combination meter

Turn ignition switch to ON. Drive wheels are turned slowly

Pulse generation

ACC (S11-12) - GND (S10-16)

GR - W-B(⁽¹⁾), BR(⁽²⁾)

Accessory (ON)

Turn ignition switch OFF → ACC

Below 1V → 10 to 14 V

TX- (S11-19) (⁽²⁾) - GND (S10-16)

W - BR

AVC-LAN communication signal

Turn ignition switch to ACC

2 to 3 V

TX+ (S11-20) (⁽²⁾) - GND (S10-16)

R - BR

AVC-LAN communication signal

Turn ignition switch to ACC

2 to 3 V

INT- (S11-22) - GND (S10-16)

LG - W-B(⁽¹⁾), BR(⁽²⁾)

Voice guidance signal

Voice guidance is provided

A waveform synchronized with sounds is output

INT+ (S11-23) - GND (S10-16)

V - W-B(⁽¹⁾), BR(⁽²⁾)

Voice guidance signal

Voice guidance is provided

A waveform synchronized with sounds is output

B+ (S10-1) - GND (S10-16)

W-L - W-B(⁽¹⁾), BR(⁽²⁾)

Battery

Always

10 to 14 V

TWL+ (S10-2) (⁽¹⁾) - GND (S10-16)

G - W-B

Sound signal (Front Left)

Audio system is playing

A waveform synchronized with sounds is output

WF2+ (S10-2) (⁽³⁾) - GND (S10-16)

G-W - BR

Sound signal (Woofer Box)

Audio system is playing

A waveform synchronized with sounds is output

TWR+ (S10-3) (⁽¹⁾) - GND (S10-16)

L-B - W-B

Sound signal (Front Right)

Audio system is playing

A waveform synchronized with sounds is output

WF1+ (S10-3) (⁽³⁾) - GND (S10-16)

L-R - BR

Sound signal (Woofer Box)

Audio system is playing

A waveform synchronized with sounds is output

RL+ (S10-4) - GND (S10-16)

B - W-B(⁽¹⁾), BR(⁽²⁾)

Sound signal (Rear Left)

Audio system is playing

A waveform synchronized with sounds is output

RR+ (S10-5) - GND (S10-16)

R - W-B(⁽¹⁾), BR(⁽²⁾)

Sound signal (Rear Right)

Audio system is playing

A waveform synchronized with sounds is output

FL+ (S10-6) - GND (S10-16)

P - W-B(⁽¹⁾), BR(⁽²⁾)

Sound signal (Front Left)

Audio system is playing

A waveform synchronized with sounds is output

FR+ (S10-7) - GND (S10-16)

LG - W-B(⁽¹⁾), BR(⁽²⁾)

Sound signal (Front Right)

Audio system is playing

A waveform synchronized with sounds is output

B2+ (S10-10) - GND (S10-16)

L-R(⁽¹⁾), L-Y(⁽²⁾)-W-B(⁽¹⁾), BR(⁽²⁾)

Battery

Always

10 to 14 V

TWL- (S10-11) (⁽¹⁾) - GND (S10-16)

G-B - BR

Sound signal (Front Left)

Audio system is playing

A waveform synchronized with sounds is output

WF2- (S10-11) (⁽³⁾) - GND (S10-16)

BR-BR

Sound signal (Woofer Box)

Audio system is playing

A waveform synchronized with sounds is output

TWR- (S10-12) (⁽¹⁾) - GND (S10-16)

L-R - BR

Sound signal (Front Right)

Audio system is playing

A waveform synchronized with sounds is output

WF1- (S10-12) (⁽³⁾) - GND (S10-16)

L-B - BR

Sound signal (Woofer Box)

Audio system is playing

A waveform synchronized with sounds is output

RL- (S10-13) - GND (S10-16)

Y - W-B(⁽¹⁾), BR(⁽²⁾)

Sound signal (Rear Left)

Audio system is playing

A waveform synchronized with sounds is output

RR- (S10-14) - GND (S10-16)

W - W-B(⁽¹⁾), BR(⁽²⁾)

Sound signal (Rear Right)

Audio system is playing

A waveform synchronized with sounds is output

GND2 (S10-15) (⁽¹⁾) - Body ground

BR - Body ground

Ground

Always

Below 1 V

E (S10-15) (⁽²⁾) - Body ground

BR - Body ground

Ground

Always

Below 1 V

GND (S10-16) - Body ground

W-B(⁽¹⁾), BR(⁽²⁾) - Body ground

Ground

Always

Below 1 V

FL- (S10-17) - GND (S10-16)

V - W-B(⁽¹⁾), BR(⁽²⁾)

Sound signal (Front Left)

Audio system is playing

A waveform synchronized with sounds is output

FR- (S10-18) - GND (S10-16)

L - W-B(⁽¹⁾), BR(⁽²⁾)

Sound signal (Front Right)

Audio system is playing

A waveform synchronized with sounds is output

⁽¹⁾

for Coupe

⁽²⁾	for Convertible

⁽³⁾	for Convertible (with No. 1 woofer box speaker assembly)