TERMINALS OF ECU
HINT:
Check from the rear of the connector while it is connected to the components.
1. NAVIGATION RECEIVER ASSEMBLY
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
E38-1 (FR+) - E38-7 (GND1) |
LG - BR*1 R - BR*2 |
Sound signal (Front right)*1 Sound signal (Right)*2 |
Audio system playing |
A waveform synchronized with sound signals is output |
E38-2 (FL+) - E38-7 (GND1) |
P - BR*1 B - BR*2 |
Sound signal (Front left)*1 Sound signal (Left)*2 |
Audio system playing |
A waveform synchronized with sound signals is output |
E38-3 (ACC1) - E38-7 (GND1) |
GR - BR |
Power source (ACC) |
Ignition switch off |
Below 1 V |
Ignition switch ACC |
11 to 14 V |
|||
E38-4 (+B1) - E38-7 (GND1) |
SB - BR |
Power source (+B) |
Always |
11 to 14 V |
E38-5 (FR-) - E38-7 (GND1) |
L - BR*1 G - BR*2 |
Sound signal (Front right)*1 Sound signal (Right)*2 |
Audio system playing |
A waveform synchronized with sound signals is output |
E38-6 (FL-) - E38-7 (GND1) |
V - BR*1 W - BR*2 |
Sound signal (Front left)*1 Sound signal (Left)*2 |
Audio system playing |
A waveform synchronized with sound signals is output |
E38-7 (GND1) - Body ground |
BR - Body ground |
Ground |
Always |
Below 1 V |
E38-10 (ILL+) - E38-7 (GND1) |
G - BR |
Illumination signal |
Light control switch off |
Below 1 V |
Light control switch in tail or head position |
11 to 14 V |
|||
E39-1 (RR+) - E38-7 (GND1)*1 |
R - BR |
Sound signal (Rear right) |
Audio system playing |
A waveform synchronized with sound signals is output |
E39-2 (RL+) - E38-7 (GND1) |
B - BR*1 W - BR*2 |
Sound signal (Rear left)*1 Voice signal*2 |
Audio system playing*1 Voice guidance sounding*2 |
A waveform synchronized with sound signals is output*1 A waveform synchronized with voice signals is output*2 |
E39-3 (RR-) - E38-7 (GND1)*1 |
W - BR |
Sound signal (Rear right) |
Audio system playing |
A waveform synchronized with sound signals is output |
E39-5 (ILL-) - E38-7 (GND1) |
W - BR |
Illumination signal |
Light control switch off |
Below 1 V |
Light control switch in tail or head position |
Pulse generation |
|||
E39-6 (RL-) - E38-7 (GND1) |
Y - BR*1 B - BR*2 |
Sound signal (Rear left)*1 Voice signal*2 |
Audio system playing*1 Voice guidance sounding*2 |
A waveform synchronized with sound signals is output*1 A waveform synchronized with voice signals is output*2 |
E51-11 (CA+) - E38-7 (GND1) |
B - BR |
Television camera power supply |
Ignition switch ACC |
5.8 to 6.5 V |
E51-12 (V+) - E38-7 (GND1) |
R - BR |
Video signal |
Ignition switch ON Shift lever in R Camera lens not covered, displaying an image |
Pulse generation (Refer to waveform 1) |
Ignition switch ON Shift lever in R Camera lens covered, blacking out screen |
Pulse generation (Refer to waveform 2) |
|||
E51-23 (CGND) - Body ground |
Shield - Body ground |
Shield ground |
Always |
Below 1 V |
E51-24 (V-) - E38-7 (GND1) |
W - BR |
Ground |
Always |
Below 1 V |
E40-1 (IG) - E38-7 (GND1) |
V - BR |
Power source (IG) |
Ignition switch off |
Below 1 V |
Ignition switch ON |
11 to 14 V |
|||
E40-4 (MACC) - E38-7 (GND1) |
R - BR |
Microphone power supply |
Ignition switch off |
Below 1 V |
Ignition switch ACC |
4.75 to 5.25 V |
|||
E40-5 (MIN+) - E38-7 (GND1) |
B - BR |
Microphone voice signal |
See "Check Microphone" in Operation Check (See page ) |
- |
E40-6 (SNS2) - E38-7 (GND1) |
Y - BR |
Microphone connection detection signal |
Always |
Below 1 V |
E40-7 (TX1+)*2 |
R |
AVC-LAN communication signal |
- |
- |
E40-8 (TX1-)*2 |
G |
AVC-LAN communication signal |
- |
- |
E40-9 (CANH) |
SB |
CAN communication signal |
- |
- |
E40-10 (CANL) |
W |
CAN communication signal |
- |
- |
E40-11 (AGND) - Body ground |
Shield - Body ground |
Shield ground |
Always |
Below 1 V |
E40-16 (MUT1) - E38-7 (GND1)*2 |
LG - BR |
Mute signal |
Ignition switch ACC Audio system playing |
2.0 V or higher |
Audio system changing modes |
Below 1 V |
|||
E40-17 (SPD) - E38-7 (GND1) |
BR - BR |
Vehicle speed signal |
See "Check Vehicle Signal" in Operation Check (See page ) |
- |
E40-18 (SGND) - Body ground |
Shield - Body ground |
Shield ground |
Always |
Below 1 V |
E40-19 (MIN-) - E38-7 (GND1) |
W - BR |
Microphone voice signal |
See "Check Microphone" in Operation Check (See page ) |
- |
E40-21 (SW1) - E40-23 (SWG) |
GR - R |
Steering pad switch signal |
No switch pushed |
2.97 to 3.56 V |
Up switch pushed |
0.27 to 0.35 V |
|||
Down switch pushed |
0.86 to 1.03 V |
|||
Volume+ switch pushed |
1.51 to 1.79 V |
|||
Volume- switch pushed |
2.22 to 2.66 V |
|||
E40-22 (SW2) - E40-23 (SWG) |
LG - R |
Steering pad switch signal |
No switch pushed |
2.97 to 3.56 V |
MODE/HOLD switch pushed |
0.27 to 0.35 V |
|||
On hook switch pushed |
0.86 to 1.03 V |
|||
Off hook switch pushed |
1.51 to 1.79 V |
|||
Voice switch pushed |
2.22 to 2.66 V |
|||
E40-23 (SWG) - E38-7 (GND1) |
R - BR |
Steering pad switch ground |
Always |
Below 1 V |
E40-24 (SW3) - E40-23 (SWG) |
L - R |
Steering pad switch signal |
No switch pushed |
2.97 to 3.56 V |
Enter switch pushed |
0.27 to 0.35 V |
|||
Back switch pushed |
0.86 to 1.03 V |
|||
Right switch pushed |
1.51 to 1.79 V |
|||
Left switch pushed |
2.22 to 2.66 V |
|||
E40-25 (ADPG) - E38-7 (GND1) |
SB - BR |
External device connection detection signal |
External device connected |
Below 1 V |
External device not connected |
2.1 to 3 V |
|||
E40-26 (VAR+) - E40-27 (VA-) |
R - W |
Sound signal (Right) |
External device playing (When stereo jack used) |
A waveform synchronized with sound signals is output |
E40-27 (VA-) - E38-7 (GND1) |
W - BR |
Ground |
Always |
Below 1 V |
E40-28 (VAL+) - E40-27 (VA-) |
B - W |
Sound signal (Left) |
External device system playing (when stereo jack used) |
A waveform synchronized with sound signals is output |
V1-3 (ACC2) - E38-7 (GND1)*3 |
Y - BR |
Power source (ACC) |
Ignition switch off |
Below 1 V |
Ignition switch ACC |
11 to 14 V |
|||
V1-4 (+B2) - E38-7 (GND1)*3 |
R - BR |
Power source (+B) |
Always |
11 to 14 V |
V1-8 (GND2) - Body ground*3 |
B - Body ground |
Ground |
Always |
Below 1 V |
E47-1 (USV1) |
- |
Power source |
- |
- |
E47-2 (US1-) |
- |
Data signal |
- |
- |
E47-3 (US1+) |
- |
Data signal |
- |
- |
E47-4 (UGD1) |
- |
Ground |
- |
- |
E47-5 (USG1) |
- |
Shield ground |
- |
- |
V5-1 (USV4)*3 |
- |
Power source |
- |
- |
V5-2 (US4-)*3 |
- |
Data signal |
- |
- |
V5-3 (US4+)*3 |
- |
Data signal |
- |
- |
V5-4 (UGD4)*3 |
- |
Ground |
- |
- |
V5-5 (USG4)*3 |
- |
Shield ground |
- |
- |
V3-1 (LV1)*3 |
B |
LVDS communication signal |
- |
- |
RA-5 (ANT+) - E38-7 (GND1) |
- - BR |
Power source of antenna |
Ignition switch ACC Radio switch on and FM or AM selected |
8.0 V or higher |
(a) Reference (Oscilloscope waveform):
(1) Waveform 1 (camera lens not covered, displaying an image)
Item |
Content |
---|---|
Measurement terminal |
E51-12 (V+) - E38-7 (GND1) |
Measurement setting |
200 mV/DIV., 50 μs./DIV. |
Condition |
Ignition switch ON, shift lever in R |
HINT:
*a |
Waveform 1 (camera lens not covered, displaying an image) |
*b |
Synchronization Signal |
*c |
Video Waveform |
(2) Waveform 2 (camera lens covered, blacking out the screen)
Item |
Content |
---|---|
Measurement terminal |
E51-12 (V+) - E38-7 (GND1) |
Measurement setting |
200 mV/DIV., 50 μs./DIV. |
Condition |
Ignition switch ON, shift lever in R |
HINT:
*a |
Waveform 2 (camera lens covered, blacking out the screen) |
*b |
Synchronization Signal |
*c |
Video Waveform |
2. STEREO COMPONENT TUNER ASSEMBLY (w/ SDARS System)
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
V7-3 (ACC2) - V7-8 (GND2) |
Y - B |
Power source (ACC) |
Ignition switch off |
Below 1 V |
Ignition switch ACC |
11 to 14 V |
|||
V7-4 (+B2) - V7-8 (GND2) |
R - B |
Power source (+B) |
Always |
11 to 14 V |
V7-8 (GND2) - Body ground |
B - Body ground |
Ground |
Always |
Below 1 V |
V9-1 (USV4) |
- |
Power source |
- |
- |
V9-2 (US4-) |
- |
Data signal |
- |
- |
V9-3 (US4+) |
- |
Data signal |
- |
- |
V9-4 (UGD4) |
- |
Ground |
- |
- |
V9-5 (USG4) |
- |
Shield ground |
- |
- |
V8-1 (LV1) |
- |
LVDS communication signal |
- |
- |
3. STEREO COMPONENT AMPLIFIER ASSEMBLY (for 13 Speakers)
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
E13-1 (+B) - E13-2 (GND) |
R - W-B |
Power source (+B) |
Always |
11 to 14 V |
E13-2 (GND) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 V |
E13-3 (+B2) - E13-2 (GND) |
R - W-B |
Power source (+B) |
Always |
11 to 14 V |
E13-6 (GND2) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 V |
E14-1 (MUTE) - E13-2 (GND) |
LG - W-B |
Mute signal |
Audio system playing |
Above 3.5 V |
Audio system changing sources |
Below 1 V |
|||
E14-2 (L-) - E13-2 (GND) |
W - W-B |
Sound signal (Left) |
Audio system playing |
A waveform synchronized with sound signals is output |
E14-3 (L+) - E13-2 (GND) |
B - W-B |
Sound signal (Left) |
Audio system playing |
A waveform synchronized with sound signals is output |
E14-4 (R-) - E13-2 (GND) |
G - W-B |
Sound signal (Right) |
Audio system playing |
A waveform synchronized with sound signals is output |
E14-5 (R+) - E13-2 (GND) |
R - W-B |
Sound signal (Right) |
Audio system playing |
A waveform synchronized with sound signals is output |
E14-6 (SLD) - E13-2 (GND) |
Shield - W-B |
Shield ground |
Always |
Below 1 V |
E14-7 (TX-) |
G |
AVC-LAN communication signal |
- |
- |
E14-8 (TX+) |
R |
AVC-LAN communication signal |
- |
- |
E14-11 (SPD) - E13-2 (GND) |
P - W-B |
Vehicle speed signal |
Ignition switch ON Wheels being rotated |
Pulse generation |
E14-12 (ACC) - E13-2 (GND) |
G - W-B |
Power source (ACC) |
Ignition switch off |
Below 1 V |
Ignition switch ACC |
11 to 14 V |
|||
E14-14 (II1-) - E13-2(GND) |
B - W-B |
Voice signal |
Voice guidance sounding |
A waveform synchronized with voice signals is output |
E14-15 (II1+) - E13-2 (GND) |
W - W-B |
Voice signal |
Voice guidance sounding |
A waveform synchronized with voice signals is output |
E14-18 (SLD1) - E13-2 (GND) |
Shield - W-B |
Shield ground |
Always |
Below 1 V |
E12-1 (WFL+) - E13-2 (GND) |
LG - W-B |
Sound signal (Front left) |
Audio system playing |
A waveform synchronized with sound signals is output |
E12-2 (WFR+) - E13-2 (GND) |
P - W-B |
Sound signal (Front right) |
Audio system playing |
A waveform synchronized with sound signals is output |
E12-3 (CTR+) - E13-2 (GND) |
G - W-B |
Sound signal (Front center) |
Audio system playing |
A waveform synchronized with sound signals is output |
E12-4 (WF2+) - E13-2 (GND) |
P - W-B |
Sound signal (Rear right) |
Audio system playing |
A waveform synchronized with sound signals is output |
E12-5 (WFL-) - E13-2 (GND) |
L - W-B |
Sound signal (Front left) |
Audio system playing |
A waveform synchronized with sound signals is output |
E12-6 (WFR-) - E13-2 (GND) |
V - W-B |
Sound signal (Front right) |
Audio system playing |
A waveform synchronized with sound signals is output |
E12-7 (RR-) - E13-2 (GND) |
W - W-B |
Sound signal (Rear right) |
Audio system playing |
A waveform synchronized with sound signals is output |
E12-8 (RR+) - E13-2 (GND) |
R - W-B |
Sound signal (Rear right) |
Audio system playing |
A waveform synchronized with sound signals is output |
E12-9 (CTR-) - E13-2 (GND) |
R - W-B |
Sound signal (Front center) |
Audio system playing |
A waveform synchronized with sound signals is output |
E12-10 (WF2-) - E13-2 (GND) |
Y - W-B |
Sound signal (Rear right) |
Audio system playing |
A waveform synchronized with sound signals is output |
E15-1 (SL+) - E13-2 (GND) |
L - W-B |
Sound signal (Rear left) |
Audio system playing |
A waveform synchronized with sound signals is output |
E15-2 (SR+) - E13-2 (GND) |
LG - W-B |
Sound signal (Rear right) |
Audio system playing |
A waveform synchronized with sound signals is output |
E15-3 (FL+) - E13-2 (GND) |
G - W-B |
Sound signal (Front left) |
Audio system playing |
A waveform synchronized with sound signals is output |
E15-4 (RL+) - E13-2 (GND) |
B - W-B |
Sound signal (Rear left) |
Audio system playing |
A waveform synchronized with sound signals is output |
E15-5 (WF1+) - E13-2 (GND) |
P - W-B |
Sound signal (Rear left) |
Audio system playing |
A waveform synchronized with sound signals is output |
E15-6 (SL-) - E13-2 (GND) |
LG - W-B |
Sound -signal (Rear left) |
Audio system playing |
A waveform synchronized with sound signals is output |
E15-7 (SR-) - E13-2 (GND) |
L - W-B |
Sound signal (Rear right) |
Audio system playing |
A waveform synchronized with sound signals is output |
E15-8 (FL-) - E13-2 (GND) |
R - W-B |
Sound signal (Front left) |
Audio system playing |
A waveform synchronized with sound signals is output |
E15-9 (FR-) - E13-2 (GND) |
P - W-B |
Sound signal (Front right) |
Audio system playing |
A waveform synchronized with sound signals is output |
E15-10 (FR+) - E13-2 (GND) |
BR - W-B |
Sound signal (Front right) |
Audio system playing |
A waveform synchronized with sound signals is output |
E15-11 (RL-) - E13-2 (GND) |
Y - W-B |
Sound signal (Rear left) |
Audio system playing |
A waveform synchronized with sound signals is output |
E15-12 (WF1-) - E13-2 (GND) |
V - W-B |
Sound signal (Rear left) |
Audio system playing |
A waveform synchronized with sound signals is output |
Inspection
INSPECTION
PROCEDURE
1. INSPECT FRONT SEAT CUSHION HEATER LH
(a) Check the seat cushion heater.
(1) Apply battery voltage and check the seat cushion heater.
OK:
Measurement Condition
Condition
...
Removal
REMOVAL
PROCEDURE
1. REMOVE RADIATOR ASSEMBLY AND FAN ASSEMBLY WITH MOTOR
HINT:
See page
2. REMOVE FAN
(a) Remove the nut and fan.
3. REMOVE NO. 2 FAN
(a) Remove the nut and No. 2 f ...
Lost Communication with ECM / PCM "A" (U0100,U0129)
DESCRIPTION
The combination meter assembly communicates with the ECM via the CAN communication
system (CAN No. 1 Bus).
DTC No.
DTC Detection Condition
Trouble Area
U0100
When either of the follow ...